best natural gas water heater 75 gallon 2026 power picks

by 

Scott Sample

  Feb 10, 2026 5:52 PM

Best Natural Gas Water Heater 75 Gallon Performance Review

Hot water problems rarely announce themselves politely. They show up mid-shower, during a full laundry cycle, or right when multiple taps run at once. That tension between expectation and reality pushes many people toward a higher-capacity solution, and the best natural gas water heater 75 gallon category exists precisely because smaller tanks often buckle under sustained demand. Capacity alone, though, doesn’t guarantee relief, which is where design, burner strength, and recovery speed start pulling real weight.

Reliance 6 75 XRRS

Reliance 6 75 XRRS keeps things refreshingly straightforward. A 75-gallon short tank format delivers generous volume without demanding towering ceiling clearance. The six-year warranty signals a focus on durability rather than flashy extras. Natural gas operation anchors the unit in fast recovery and consistent output, two traits that matter long after installation day.

Short tanks often get side-eyed for performance compromises, yet this one avoids that trap. Smart internal layout preserves usable capacity while fitting into tighter mechanical rooms. That balance makes upgrades less invasive and cuts down on rework. Convenience here isn’t cosmetic, it’s structural.

Reliance leans into proven construction instead of experimental tech. That decision keeps maintenance predictable and parts familiar. For anyone tired of babysitting equipment, predictability feels like a quiet luxury.

Heating Power And Recovery Speed

Output drives real-world satisfaction, and the 75,100 BTU input rating carries serious muscle. High input means faster recovery, plain and simple. Multiple back-to-back uses don’t drain the tank into lukewarm territory. Momentum stays intact.

Natural gas earns its keep here. Compared to electric alternatives, recovery cycles feel noticeably shorter. That difference shows up during peak usage windows, when demand stacks up instead of spacing itself politely. Consistency becomes the defining feature.

Strong burners also reduce cycling stress. Fewer long reheats translate into steadier temperatures and less wear over time. That mechanical calmness often goes unnoticed, yet it shapes longevity.

Green Choice Burner And Emissions Control

Environmental concessions usually raise eyebrows about performance loss. The Green Choice gas burner sidesteps that concern by reducing NOx emissions by 33 percent without sacrificing heat delivery. Cleaner combustion doesn’t come at the cost of recovery speed. Efficiency and responsibility coexist instead of competing.

This burner design also promotes smoother ignition. Fewer abrupt flame spikes mean more controlled heating cycles. Over time, that steadiness helps protect internal components.

Lower emissions matter beyond regulations. Reduced exhaust byproducts help keep venting systems cleaner, which quietly trims long-term maintenance headaches. Small gains compound.

Safety And Flammable Vapor Protection

Basements and utility rooms aren’t always pristine environments. Flammable vapor ignition resistant design addresses that reality head-on. The system prevents ignition of external vapors before they become a hazard. Safety feels engineered, not bolted on.

This design choice matters most in mixed-use spaces where solvents, fuels, or chemicals occasionally wander through. The heater stays guarded without demanding behavioral changes. Protection runs in the background.

Peace of mind often shows up as silence. No alarms, no shutdown surprises, no anxious second-guessing. Reliability becomes invisible, which is exactly the point.

Installation Practicality And Everyday Ownership

Short height simplifies replacement projects. Existing venting and gas lines often align without extensive modification. That practicality shortens install time and trims labor costs. Fewer surprises mean smoother handoffs.

Maintenance access stays reasonable. Components aren’t buried behind unnecessary panels or proprietary layouts. Routine checks feel manageable rather than chore-like. Ownership stays light.

Operating noise remains restrained. Burners engage without dramatic roar, keeping utility spaces calm. Subtlety counts more than most spec sheets admit.

Who This Water Heater Truly Serves

Reliance 6 75 XRRS shines where demand stacks instead of spacing out. Simultaneous fixtures, long draw periods, and unpredictable schedules don’t rattle it. The tank doesn’t panic under pressure. It responds.

Frustration usually stems from systems that promise capacity but stumble on recovery. This unit avoids that mismatch. Strong output and consistent heat keep routines flowing. Confidence replaces compromise.

Durability matters most after the honeymoon phase fades. Construction choices here favor long-term stability over novelty. That restraint pays dividends year after year.

Energy Perspective Beyond The Water Heater

Comfort extends past plumbing. Ambient warmth and visual balance shape how a space feels once the hot water stops running. The best electric corner fireplace remains a compelling option for adding efficient supplemental heat without structural upheaval. The focus stays on warmth and atmosphere, not renovation stress.

Separate systems handling separate jobs often outperform all-in-one compromises. Water heating stays efficient. Living spaces stay comfortable. Each tool does what it’s built to do.

That separation keeps expectations clean. Performance improves when roles stay clear. Reliability follows.

Rinnai i060CN Condensing Gas Boiler Review

Cold spots, uneven heat, and the awkward pause before hot water finally arrives tend to expose the limits of traditional tanks. Those daily friction points push attention toward systems that promise consistency without hogging space. That’s where the best natural gas water heater 75 gallon conversation often drifts into hybrid territory, especially when whole-home heating and domestic hot water share the same workload. Expectations rise fast when one unit claims to handle both.

Rinnai i060CN

Rinnai i060CN plays a different game than bulky tank heaters. A wall-mounted, space-saving form immediately shifts how mechanical rooms are used. Instead of dominating the footprint, the unit tucks away and quietly does its job. That design alone changes renovation math and long-term planning.

Condensing boiler architecture brings efficiency into the spotlight. Heat extraction goes deeper, squeezing more usable energy from every BTU. The stainless-steel heat exchanger anchors durability while resisting corrosion. Longevity feels baked in rather than promised.

This system blends whole-home heating with domestic hot water through a built-in plate heat exchanger. Showers and faucets pull hot water without waiting on a storage tank to recover. The experience leans toward on-demand reliability instead of volume buffering.

Heating Performance And Modulating Burner

Output sits at 60,000 BTU, which may sound modest next to tank numbers but behaves differently in practice. The modulating wire mesh burner adjusts flame intensity in real time. That flexibility keeps temperatures steady instead of cycling hard on and off. Comfort becomes smoother.

Condensing efficiency shines during partial loads. Mild days don’t force the system into wasteful full-throttle operation. Energy use tracks demand closely. That responsiveness trims excess consumption without manual intervention.

Whole-home heating feels even rather than patchy. Radiant loops or hydronic systems benefit from consistent supply temperatures. The result leans toward balance, not bursts.

Smart Controls And Multizone Capability

Control flexibility defines the Rinnai i060CN experience. Multizone capability allows multiple thermostats and integrated pumps to connect directly. Different areas maintain their own rhythms without fighting each other. Harmony replaces compromise.

A digital display keeps information readable at a glance. Temperature and pressure data stay visible, reducing guesswork during adjustments. Parameter settings feel accessible rather than buried. Confidence grows with clarity.

Child-lock safety automatically shuts off central heating when engaged. That feature adds reassurance without complicating daily use. Safety stays proactive, not reactive.

Domestic Hot Water Experience

Tankless-style domestic hot water delivery shifts expectations. Water heats as needed instead of sitting idle. Showers don’t drain a reserve, and faucets stay responsive during extended use. Continuity becomes the headline.

Adjustable DHW temperature between 98°F and 140°F allows fine tuning. Scalding risk drops while comfort improves. The system adapts rather than dictates.

Plate heat exchanger design separates heating and domestic loops cleanly. That separation preserves efficiency and minimizes cross-impact. Reliability benefits quietly.

Installation Realities And Professional Setup

Professional installation isn’t optional here, and that honesty matters. Venting, zoning, and system integration demand technical precision. Skipping expertise risks performance loss or safety issues. The recommendation feels practical, not defensive.

Wall mounting simplifies space management but raises planning considerations. Clearance, vent routing, and service access must align from day one. Thoughtful layout prevents headaches later.

Once installed correctly, daily interaction stays minimal. Automation handles most decisions. Ownership feels lighter than expected.

Warranty Structure And Long-Term Outlook

Warranty coverage signals confidence without overpromising. Residential protection spans 12 years for the heat exchanger, five for parts, and one for labor. Commercial terms follow a similar tiered logic. Transparency helps set expectations.

Stainless-steel construction supports that coverage. Materials resist scaling and corrosion better than standard steel tanks. Durability isn’t theoretical here.

Maintenance intervals remain predictable. Annual checks keep efficiency on track. Stability rewards consistency.

Pros And Cons Breakdown

Strengths dominate the efficiency conversation. Condensing technology, space-saving design, and multizone control stand out immediately. On-demand hot water removes recovery anxiety. Flexibility feels empowering.

Weaknesses revolve around complexity and upfront cost. Installation demands professional skill. Initial investment exceeds basic tank systems. Simplicity isn’t the selling point.

Differences compared to traditional tanks become obvious over time. Instead of storing hot water, the system creates it as needed. That shift changes usage patterns and expectations.

Where This System Makes Sense

Homes balancing space constraints with high comfort expectations benefit most. Mechanical rooms shrink while capability expands. Hydronic heating setups pair naturally with this design. Integration feels intentional.

Those expecting plug-and-play simplicity may feel overwhelmed initially. Learning curves exist. Patience pays off through efficiency and control.

Reliability emerges through steady performance rather than dramatic output spikes. Calm consistency becomes the defining trait.

Separate Heating Needs Beyond The Boiler

To manage flexible room-by-room warmth without central system changes, explore best portable heater with timer. Portable units address localized comfort quickly while keeping energy use predictable. The focus stays on targeted heating and control.

Standalone solutions complement larger systems without overlap. Each device handles a specific role. Balance improves when tools stay specialized.

That layered approach keeps comfort adaptable year-round.

14L 95,540BTU Natural Gas Tankless Water Heater Review

Running out of hot water never waits for a convenient moment. It usually shows up mid-shower, halfway through dishes, or right when multiple taps compete for attention. Those interruptions push many setups past their comfort zone, which explains why the best natural gas water heater 75 gallon discussion often drifts toward tankless alternatives promising instant recovery. Expectations climb quickly once storage limits disappear.

14L Gas Tankless Heater

The 14L Gas Tankless Heater wastes no time establishing its purpose. Compact design replaces bulky tanks, freeing wall space without sacrificing output. That shift alone changes how utility rooms feel and function. Minimal footprint, maximum intent.

Instant-on operation defines daily experience. No reservoir waits to reheat, no guessing games about remaining capacity. Hot water arrives within seconds, and it keeps coming as long as demand stays within limits. That immediacy reshapes routines.

Natural gas input anchors reliability here. Unlike electric units that strain circuits, gas delivers consistent thermal punch. Stability shows up during simultaneous use. Confidence replaces rationing.

Short learning curves help adoption. Basic controls and clear display reduce intimidation. Practicality wins over novelty.

Heating Output And Flow Performance

Heating muscle comes from a 95,540BTU input rating that drives real-world performance. The system supports up to 3.7GPM with a 25°C temperature rise. That balance suits showers, sinks, and utility use without preheating delays. Momentum stays intact.

Flow stability matters more than peak numbers. This unit maintains output instead of pulsing between extremes. Consistency keeps temperature swings in check. Comfort feels controlled.

Multi-fixture support works within defined limits. Simultaneous use stays smooth as long as expectations match capacity. Understanding flow priorities prevents disappointment.

Tankless behavior changes habits subtly. Long draws no longer punish the system. Recovery anxiety disappears.

Industrial-Grade Materials And Venting

Construction choices lean toward durability. Metal housing resists indoor humidity and mechanical wear. The stainless-steel heat exchanger minimizes rust and internal blockage. Longevity feels intentional.

UL-certified Category II venting handles combustion byproducts responsibly. A required downward slope prevents condensate erosion, protecting internal pathways. Details like this separate short-term fixes from long-term solutions.

Limescale buildup shrinks thanks to the tankless design. Without standing water, mineral deposits lose their foothold. Maintenance intervals stretch further.

Materials don’t chase luxury aesthetics. They chase resilience. That focus pays off quietly over time.

Digital Display And Temperature Control

A dual-unit digital display adds everyday convenience. Switching between Fahrenheit and Celsius takes a single button press. Real-time temperature feedback removes guesswork. Adjustments feel precise.

Operating ranges stay clearly defined. Domestic hot water adjusts between 86°F and 131°F. That control supports comfort without flirting with excess heat. Balance stays easy.

Automatic overheat warnings activate at 125°F. Protection steps in before discomfort escalates. Safety integrates naturally into operation.

Clear visuals reduce reliance on manuals. Information stays visible. Confidence follows clarity.

Multi-Layer Safety System

Safety engineering runs deeper than a single cutoff. Overheat protection, gas leak detection, and timed shutdowns work together. Redundancy reduces risk. Peace of mind grows.

Post-shutdown fan cooling protects internal components. Heat dissipates gradually instead of lingering. Component lifespan benefits quietly.

A 40-minute timer prevents dry burning during abnormal conditions. Automation intervenes when attention lapses. Protection stays proactive.

These safeguards don’t complicate use. They operate silently in the background. Reliability feels invisible.

Installation Requirements And Practical Limits

Professional indoor installation isn’t optional here. Gas piping, venting angles, and electrical connections demand precision. Shortcuts invite safety hazards. Expertise matters.

Natural gas compatibility remains exclusive. This unit won’t adapt to propane without conversion. Verifying fuel type upfront avoids costly mistakes.

110V power supports controls and safety systems. Electrical planning stays straightforward but necessary. Compliance keeps performance consistent.

Local codes shape final setup. Proper installation protects both equipment and occupants. Discipline pays dividends.

Pros That Stand Out

Instant hot water eliminates waiting entirely. On-demand delivery reshapes daily routines. Efficiency improves without conscious effort.

Compact form factor frees valuable space. Wall mounting changes layout possibilities. Utility rooms feel less crowded.

Reduced scale buildup supports longevity. Tankless architecture minimizes mineral accumulation. Maintenance stays lighter.

Cons Worth Considering

Flow limitations require realistic expectations. Exceeding 3.7GPM invites temperature drops. Awareness prevents frustration.

Professional installation costs raise upfront investment. Skilled labor isn’t optional. Budget planning matters.

Natural gas only restricts flexibility. Fuel availability dictates compatibility. Planning ahead avoids mismatch.

Everyday Use Perspective

Daily operation feels intuitive once installed. Digital feedback keeps adjustments simple. Hot water availability becomes predictable.

Noise remains modest during operation. Combustion stays controlled. Utility spaces remain calm.

Reliability shows through repetition. Consistent delivery builds trust. That trust matters more than specs.

Separate Comfort Needs Beyond Hot Water

To keep little feet warm during colder months, rely on best winter socks toddlers. Insulated socks solve heat retention directly without touching plumbing or heating systems. Warmth stays targeted and immediate.

Layered comfort solutions often outperform all-in-one fixes. Each tool handles its own job. Balance improves naturally.

That separation keeps expectations clear and results dependable.

2026 GEN II Ranein Tankless Water Heater Review

Morning routines fall apart fast when hot water can’t keep up. One shower runs long, another tap opens, and suddenly temperature swings hijack the moment. That frustration fuels interest in the best natural gas water heater 75 gallon category, yet many setups outgrow tanks altogether and start flirting with high-capacity tankless systems. Expectations shift from storage volume to uninterrupted flow.

Ranein GEN II Tankless Heater

Ranein GEN II Tankless Heater steps in with an unapologetically bold promise. Endless hot water replaces the mental math of tank depletion. Wall-mounted design clears floor space instantly, changing how utility rooms function. Compact doesn’t mean timid here.

This unit targets whole-home demand without leaning on reserve capacity. On-demand heating responds in real time, not on a recovery schedule. That responsiveness rewires daily habits. Waiting fades into memory.

Stainless steel construction and premium internals set a serious tone. Materials aren’t decorative; they’re defensive. Longevity feels engineered rather than hoped for.

Ranein’s design language favors utility over flash. Everything exists to serve performance. That restraint earns trust quickly.

High Output And Flow Capacity

Performance headlines start with a 190,000 BTU output rating. That level of power supports up to 8.5 GPM, enough to handle 4–6 taps simultaneously. Showers, sinks, and appliances run without negotiating priority. Momentum stays intact.

High flow doesn’t mean reckless heat delivery. Advanced modulation adjusts flame and flow continuously. Sudden spikes disappear. Stability becomes the norm.

Traditional tanks chase volume. This system chases consistency. That difference reshapes expectations instantly.

Demand-heavy households feel the payoff first. Long draws no longer punish the system. Confidence replaces compromise.

Temperature Stability And Daily Comfort

Temperature swings kill comfort faster than cold water itself. Ranein’s stabilization tech counters that weakness directly. Automatic adjustments balance flow and heat in real time. Showers stay predictable.

Consistency matters more than peak heat. Even delivery protects against surprise chills or scalds. Control feels precise rather than reactive.

This stability shines during multi-use scenarios. Opening a faucet elsewhere doesn’t sabotage the shower. Harmony replaces frustration.

Daily comfort becomes boring in the best way. Nothing dramatic happens. Everything just works.

Bottom Blower Design And Combustion Control

The bottom-mounted blower tackles combustion efficiency head-on. Smoke backflow risks drop sharply thanks to controlled exhaust flow. Safety integrates directly into airflow management. Design serves purpose.

Automatic speed adjustment optimizes gas combustion. Fuel burns more completely, reducing waste. Efficiency improves without manual tuning.

Noise levels stay restrained despite the power on tap. Operation remains surprisingly quiet. Utility spaces stay calm.

Longer service life follows better combustion. Internal components face less stress. Durability benefits quietly.

Energy Efficiency And Cost Perspective

Standby losses disappear with on-demand heating. Energy burns only when water flows. That shift trims wasted fuel compared to tank systems. Bills respond accordingly.

Eco-friendly living isn’t framed as sacrifice here. Efficiency happens automatically. No habit changes required.

Over time, reduced energy waste compounds. Monthly savings feel subtle but steady. Patience pays off.

Efficiency aligns with performance instead of fighting it. That balance feels rare.

Space-Saving Installation Advantages

Wall-mounted design reclaims valuable square footage. Apartments, small homes, and renovation projects benefit immediately. Layout flexibility expands.

Standard 3/4-inch NPT connections simplify integration. Existing plumbing adapts without extreme modification. Practicality wins.

Compact form doesn’t restrict output. Power stays uncompromised. Small footprint, big presence.

Visual clutter fades. Mechanical spaces feel intentional again.

Build Quality And Materials

Stainless steel housing resists corrosion and temperature stress. Exterior durability mirrors internal resilience. Materials signal long-term thinking.

An oxygen-free copper tank minimizes heat loss. Thermal efficiency improves at the core. Energy stays where it belongs.

Component selection avoids shortcuts. Each piece supports sustained performance. Confidence grows with familiarity.

This build philosophy favors years over seasons. Longevity becomes a feature, not a footnote.

Installation Requirements And Limitations

Professional installation remains mandatory. Gas supply, venting, and electrical integration demand licensed expertise. Precision protects performance and safety.

Elevation limits matter here. Areas above 2,000 feet fall outside recommended use. Verifying location prevents mismatch.

Indoor installation requires proper venting planning. Codes dictate final layout. Compliance keeps systems honest.

Upfront diligence prevents downstream issues. Discipline rewards reliability.

Strengths That Stand Out

Endless hot water changes daily expectations. No recovery cycles interrupt routines. Flow stays continuous.

High GPM capacity supports simultaneous use confidently. Multiple taps coexist peacefully. Performance scales naturally.

Compact wall-mounted design frees space instantly. Layout flexibility improves without renovation drama.

Weaknesses To Consider

Professional installation cost raises initial investment. Skilled labor isn’t optional. Budget planning matters.

Elevation restrictions limit geographic flexibility. Location must align with specifications. Awareness avoids disappointment.

Natural gas dependency restricts fuel choice. Compatibility checks stay essential.

Everyday Ownership Experience

Daily use feels intuitive once installed. LED temperature controls respond quickly. Adjustments stay precise.

Noise remains modest despite high output. Operation blends into the background. Calm persists.

Reliability shows through repetition. Confidence builds with each uninterrupted use. Trust becomes routine.

Separate Comfort Enhancements Beyond Hot Water

To elevate ambiance and supplemental warmth in living spaces, explore the dynasty electric fireplace. Electric fireplaces focus on visual comfort and localized heat without touching plumbing or gas lines. Atmosphere improves independently.

Dedicated systems perform best when roles stay clear. Hot water flows on demand. Living spaces glow with warmth.

That separation keeps comfort flexible and predictable.

NEW Rinnai RX199iN Tankless Water Heater Review

Hot water failure has a way of exposing weak links fast. One fixture runs, another kicks on, and suddenly pressure and temperature start misbehaving. That frustration explains why the best natural gas water heater 75 gallon conversation increasingly shifts toward high-capacity tankless systems that promise consistency instead of compromise. Storage stops mattering once flow never quits.

Rinnai RX199iN

Rinnai RX199iN arrives with flexibility baked in. Indoor or outdoor installation opens options that many tankless units simply don’t offer. Natural gas or propane compatibility removes fuel rigidity from the equation. One model adapts instead of dictating.

The compact, suitcase-sized body changes installation expectations immediately. Wall space replaces floor space, and mechanical rooms feel less crowded. Small form doesn’t hint at limited output here. Design leans practical, not flashy.

This system positions itself as a long-term upgrade rather than a quick fix. Engineering choices aim at durability and adaptability. Confidence grows before the first tap opens.

Hot Water Output And Flow Capacity

Power defines the RX199iN experience. A 199,000 BTU output drives up to 11.1 GPM, supporting as many as seven fixtures at once. Showers, laundry, and kitchen use coexist without negotiation. Performance stays assertive.

High flow doesn’t translate to chaos. Internal modulation adjusts combustion dynamically. Temperature stays steady even as demand fluctuates. Stability becomes the baseline.

This level of output changes expectations completely. Long showers stop feeling indulgent. Simultaneous use becomes routine.

Smart Sense Gas Control And Efficiency

Smart Sense gas control adapts combustion based on fuel type and conditions. Switching between propane and natural gas doesn’t require new hardware. That adaptability reduces upgrade friction. Flexibility feels intentional.

Condensing technology pushes efficiency higher than traditional designs. A UEF of 0.98 reflects minimal wasted energy. Fuel converts into usable heat instead of exhaust loss. Efficiency and power coexist.

Energy savings accumulate quietly. No behavioral changes required. Efficiency works in the background.

Ease Of Use And Smart Features

An intuitive interface keeps daily interaction simple. Settings remain accessible without digging through menus. Feedback stays clear. Adjustments feel deliberate.

The Quick Flush feature simplifies maintenance routines. Periodic flushing becomes less intimidating. Longevity benefits from easier upkeep.

Optional WiFi control through the Controlr module adds remote oversight. Monitoring and adjustments extend beyond the utility room. Control stretches wherever needed.

Installation Versatility And Venting

Versa Vent design unlocks indoor and outdoor installation paths. Outdoor setups require the RX-OVC vent cap, keeping exhaust managed properly. Placement flexibility expands dramatically.

Professional installation remains strongly recommended. Gas connections, venting, and configuration demand expertise. Precision protects performance and safety.

Ground water temperature considerations matter for optimal sizing. Regional planning prevents mismatched expectations. Preparation pays off.

Build Quality And Longevity Signals

Construction favors resilience. Components resist corrosion and thermal stress. Materials support long service life rather than short-term savings.

Condensing internals extract more heat per cycle. Reduced waste lowers component fatigue. Longevity benefits indirectly.

Rinnai’s ecosystem of guides and support resources reinforces ownership confidence. Information stays accessible. Transparency builds trust.

Pros That Stand Out

Exceptional flow capacity supports heavy simultaneous demand without strain. Multiple fixtures coexist peacefully. Comfort scales naturally.

Fuel flexibility allows propane or natural gas use. Installation adapts to existing infrastructure. Future changes feel manageable.

Indoor and outdoor install options expand layout possibilities. Space planning becomes easier. Constraints loosen.

Cons Worth Noting

Professional installation cost raises upfront investment. Expertise isn’t optional. Budget planning matters.

Optional WiFi module adds extra expense. Smart features aren’t fully included. Expectations should stay realistic.

High output demands proper sizing. Overshoot risks inefficiency. Planning prevents waste.

Day-To-Day Ownership Experience

Daily use feels predictable once installed. Hot water arrives instantly and stays consistent. Confidence builds quickly.

Noise remains restrained despite high BTU output. Operation blends into the background. Calm persists.

Maintenance routines stay manageable with Quick Flush support. Long-term ownership feels less demanding. Stability rewards attention.

Separate Gear Needs Beyond Home Utilities

To protect vision and comfort during cold-weather activities, explore the best smith ski goggles youth. Goggles solve outdoor visibility and insulation challenges directly, without crossing into home systems. Protection stays focused and effective.

Dedicated solutions perform best when roles stay clear. Home comfort stays uninterrupted. Outdoor comfort gets its own tools.

That separation keeps expectations realistic and results reliable.