10 Best Tankless Water Heater Propane In Canada

Last updated on 02-04-2026
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1
9.8
Exceptional
Rinnai RU130iP Propane Condensing Tankless Water Heater with Space-Saving Design and Smart Features, Indoor Installation, 7 GPM
Rinnai

Rinnai RU130iP Propane Condensing Tankless Water Heater with Space-Saving Design and Smart Features, Indoor Installation, 7 GPM

Why we love it
  • Unlimited hot water supply.
  • Energy-efficient and space-saving.
  • Strong water pressure performance.
Main Highlights
  • Endless Hot Water: Our tankless hot water heaters offer unlimited whole-home hot water flow and come equipped with Circ-Logic for pairing with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
  • Energy and Space Efficient: The tankless design of this small hot water heater saves on space and conserves energy as it heats only when necessary
  • Optimal Water Pressure: With a hot water flow rate of up to 7 GPM, this tankless water heater provides a powerful, constant stream that can accommodate 2-4 appliances at once
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your water heater; We do not recommend installing a water heater without a technician
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively; Wifi monitoring available with Controlr module (not included)
9.8
Exceptional
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2
9.7
Exceptional
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Gen II Ranein RV Tankless Water Heater 65,000 BTU, On-Demand Propane Hot Water, Thermostatic Mixing Chamber, 12V Powered, High Altitude Ready, CSA Approved, Ideal for Simultaneous Use and Family Use
Ranein

Gen II Ranein RV Tankless Water Heater 65,000 BTU, On-Demand Propane Hot Water, Thermostatic Mixing Chamber, 12V Powered, High Altitude Ready, CSA Approved, Ideal for Simultaneous Use and Family Use

27% OffLimited-time deal
Why we love it
  • Endless hot water supply.
  • Easy RV replacement process.
  • Advanced safety features included.
Main Highlights
  • 𝐈𝐧𝐬𝐭𝐚𝐧𝐭 𝐂𝐨𝐧𝐭𝐢𝐧𝐮𝐨𝐮𝐬 𝐇𝐨𝐭 𝐖𝐚𝐭𝐞𝐫 — 𝐌𝐨𝐫𝐞 𝐏𝐨𝐰𝐞𝐫, 𝐌𝐨𝐫𝐞 𝐅𝐥𝐨𝐰: Powered by a 65,000 BTU high-output burner, this unit heats water faster than lower-BTU RV heaters, delivering stable temperatures even in cold weather. With up to 3.9 GPM, it provides stronger flow and pressure than low-flow models, supporting simultaneous faucet use without drop-off. Higher BTU and GPM ensure longer, uninterrupted showers with fewer temperature swings. Precision control from 95°F–124°F and staged combustion improve efficiency, prevent summer overheating, and extend propane runtime—ideal for RV families needing reliable hot water.
  • 𝐄𝐚𝐬𝐲 𝐑𝐞𝐩𝐥𝐚𝐜𝐞𝐦𝐞𝐧𝐭: Fits standard RV cutouts and replaces most Suburban & Atwood 6/10/12-gallon tank water heaters with a 12.8" × 12.8" opening. Exterior door not included; optional door kits (15" × 15", 15" × 18", or 18" × 18") sold separately.
  • 𝐓𝐡𝐞𝐫𝐦𝐨𝐬𝐭𝐚𝐭𝐢𝐜 𝐌𝐢𝐱𝐢𝐧𝐠 𝐂𝐡𝐚𝐦𝐛𝐞𝐫: Thermostatic Chamber Technology dynamically balances heat output to deliver stable water temperatures, reducing fluctuations caused by changing water demand and enabling reliable, simultaneous hot water use for the whole family.
  • 𝐄𝐧𝐡𝐚𝐧𝐜𝐞𝐝 𝐟𝐨𝐫 𝐘𝐨𝐮𝐫 𝐂𝐨𝐧𝐯𝐞𝐧𝐢𝐞𝐧𝐜𝐞: The upgraded multi-function remote provides real-time visibility into gas consumption, voltage, water flow (GPM), and anti-freeze activation, and is optimized for reliable performance at altitudes up to 9,800 ft.
  • 𝐒𝐚𝐟𝐞 & 𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞: Designed with a top-mounted exhaust fan to ensure stable combustion, plus flame failure protection with automatic gas shut-off. The integrated anti-freeze function activates below 42.8°F to protect internal components. CSA certified, with a built-in pressure relief valve included.
  • 𝐈𝐝𝐞𝐚𝐥 𝐅𝐨𝐫: Full-time RVers who need reliable hot water, campers who enjoy extended showers, Cold climate travelers who need freeze protection and families or multiple users who need simultaneous hot water use.
  • 𝐑𝐕-𝐫𝐞𝐚𝐝𝐲 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝟏𝟐𝐯 𝐏𝐨𝐰𝐞𝐫𝐞𝐝: 12V DC powered system integrates with RV electrical setups and supports common RV plumbing connections — designed specifically for rv living and travel trailers.
  • 𝐎𝐱𝐲𝐠𝐞𝐧-𝐅𝐫𝐞𝐞 𝐂𝐨𝐩𝐩𝐞𝐫 𝐟𝐨𝐫 𝐃𝐮𝐫𝐚𝐛𝐢𝐥𝐢𝐭𝐲 & 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲: Built with an oxygen-free copper heat exchanger, this RV hot water heater delivers fast, efficient heat transfer and long-term durability. The corrosion-resistant copper structure ensures reliable performance over time.
9.7
Exceptional
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3
9.6
Superb
ThermoMate Propane Tankless Water Heater, Up to 3.06 GPM High-Efficiency Instant Hot Water for Bathroom & Kitchen, 75,000 BTU Residential Indoor on-Demand Hot Water Heater, Multiple Points of Use
thermomate

ThermoMate Propane Tankless Water Heater, Up to 3.06 GPM High-Efficiency Instant Hot Water for Bathroom & Kitchen, 75,000 BTU Residential Indoor on-Demand Hot Water Heater, Multiple Points of Use

Why we love it
  • Unlimited hot water on demand.
  • Advanced safety features included.
  • Energy-efficient and cost-saving design.
Main Highlights
  • [Max 3.06 GPM & 75,000 BTU] - The ThermoMate instant water heater reliably delivers a comfortable single shower (2 GPM at 105°F) even when inlet water is as low as 52°F. If the summer inlet temperature reaches 65°F, it maintains full shower performance and can additionally supply a faucet at 0.5 GPM. No waiting time, no cold water shocks, perfect for the bathroom or kitchen.
  • [Safety & Reliable] - This gas tankless water heater integrates 8 protections: boil-dry, freeze, flame-out, overheating, over-temperature, pipe blockage, high-temperature lock, and excessive air pressure. Equipped with 4 ceramic heating cores, it auto-activates frost protection when temperatures hit 41°F (5℃). The energy-smart system uses minimal electricity to generate gentle warmth, preventing pipe ice buildup without high energy costs.
  • [Energy Efficient & Save Money] - The heat exchanger is constructed from high-quality oxygen-free copper, providing superior thermal conductivity and corrosion resistance compared to stainless steel. It achieves a thermal efficiency of 98% (vs. 80% for stainless steel models) and boasts a uniform energy factor (UEF) of 0.81. This design reduces energy waste, lowering annual operating costs by approximately 30% versus traditional systems.
  • [Smart Diagnostic Display] - Equipped with a 3.5-inch LED touchscreen, it allows you to effortlessly adjust and monitor output water temperature(90°F to 140°F)while providing real-time tracking of water flow, fan operation, and flame status. Advanced error code technology enables rapid diagnosis of water heater malfunctions. The UL-certified 120V/5-foot power cord ensures continuous power supply for real-time monitoring systems.
  • [Easy to Install & Save space] - The indoor residential hot water heater features standard 3/4" NPT water inlet/outlet connectors, a 1/2" NPT gas inlet, a 3" OD vent, and a UL-approved 120V plug, ensuring compatibility with most households. With its compact dimensions of 21"H x 13"W x 7"D, the on-demand water heater requires less than one-third of the space occupied by traditional tank models, freeing up valuable room in your home.
9.6
Superb
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4
9.5
Superb
Propane Tankless Water Heater, 4.74 GPM 18L Indoor, 123000 BTU Constant Water Heater, Instant Hot Propane Gas Water Heater, Constant Temperature with Multi-Protection
DWALE

Propane Tankless Water Heater, 4.74 GPM 18L Indoor, 123000 BTU Constant Water Heater, Instant Hot Propane Gas Water Heater, Constant Temperature with Multi-Protection

Why we love it
  • Efficient propane hot water.
  • Precise temperature control.
  • Space saving design.
Main Highlights
  • 【Tankless Water Heater】– This propane tankless water heater ensures stable temperature control and is equipped with multiple safety features, including a flame failure device, overpressure protection, and overheat protection. It activates with as little as 0.2 Mpa of water pressure and delivers up to 4.74 gallons of hot water per minute. This tankless water heater is designed exclusively for use with propane (LPG).
  • 【Efficient & Energy-Saving】– With a powerful output of 123,000 BTU per hour, this 4.74 GPM instant propane water heater can supply hot water to 2–3 outlets simultaneously. Its advanced combustion technology reduces gas consumption and lowers operational noise for a more efficient and quieter experience.
  • 【Premium Quality & Durability】– Built with a stainless steel body for superior temperature and corrosion resistance, this propane water heater is engineered for long-lasting performance. The oxygen-free copper heat exchanger minimizes heat loss and extends the unit's lifespan. An LED smart digital display allows for easy temperature adjustments between 30°C (86°F) and 75°C (167°F), giving you precise control over your hot water.
  • 【Precision Temperature Control & Quiet Operation】– Equipped with an advanced Computer Control Center and a fully enclosed reinforced combustion chamber, this indoor tankless water heater delivers ±1°C precision temperature control for a consistently comfortable shower. The cutting-edge combustion technology optimizes energy efficiency while significantly reducing operational noise, ensuring powerful performance without disturbance, ideal for modern homes seeking both comfort and quiet.
  • 【Versatile & Space-Saving】– With a compact design that saves over 50% more space than traditional tank-style heaters, this propane water heater is ideal for homes, cabins, and small apartments. Note: In freezing conditions, if the unit will not be used for an extended period, drain residual water by opening the pressure relief valve to prevent damage.
9.5
Superb
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5
9.3
Superb
Save 15%
Ranein Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
Ranein

Ranein Propane Gas Tankless Water Heater with Vent Pipe, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater

15% OffLimited-time deal
Why we love it
  • Unlimited hot water on demand.
  • Reduces energy consumption significantly.
  • Includes exhaust pipe kit.
Main Highlights
  • Performance: The on-demand tankless water heater boasts a heating capacity of 80,000 BTU and a hot water flow rate of 3.6 gallons per minute (GPM). It can provide continuous hot water for 2-3 water supply points, making it sufficient to meet the hot water needs of a household's bathroom, kitchen, and bar area.
  • No Waiting Required: Unlike traditional tank water heaters, tankless water heaters eliminate the need for a 30-minute preheating wait time, allowing you to have unlimited hot water on demand.
  • Save Money: The kit already includes the exhaust pipe, so you don't need to spend extra money on purchasing it separately. With an oxygen-free copper water tank, it reduces heat loss and lowers energy consumption. Applied with standard 1/2" NPT water fitting and gas inlet.
  • Warranty: We provide a 2-year warranty for the water heater. If you encounter any issues, please contact us.
  • Recommendation: We strongly advise that all installations of the device adhere to local building and plumbing regulations at the installation location, and should be carried out by licensed professionals. This product is not recommended for use in areas over 2,000 feet.
9.3
Superb
Save 15%
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6
9.2
Superb
ThermoMate 98,500 Propane Tankless Water Heater, Up to 4 GPM, High Efficiency Instant On-Demand Hot Water for Whole House Use, Indoor Residential Water Heater with Multi-Point Heating, CZ360LP
thermomate

ThermoMate 98,500 Propane Tankless Water Heater, Up to 4 GPM, High Efficiency Instant On-Demand Hot Water for Whole House Use, Indoor Residential Water Heater with Multi-Point Heating, CZ360LP

Why we love it
  • Unlimited hot water on demand.
  • Advanced safety features included.
  • Energy-efficient and cost-saving design.
Main Highlights
  • [Max 4 GPM & 98,500 BTU] - The ThermoMate instant water heater delivers water hot enough for simultaneous use— at 105°F to a shower (2 GPM) and a kitchen faucet (1 GPM) — from a 62°F inlet. It reliably supplies a comfortable single shower even with a 40°F inlet temperature. No waiting time, no cold water shocks, perfect for busy households. With an advanced flow sensor, its built-in chip regulates heating 20,000 times/sec to keep water temperature within ±1°F for a stable.
  • [Safety & Reliable] - This gas tankless water heater integrates 8 protections: boil-dry, freeze, flame-out, overheating, over-temperature, pipe blockage, high-temperature lock, and excessive air pressure. Equipped with 4 ceramic heating cores, it auto-activates frost protection when temperatures hit 41°F (5℃). The energy-smart system uses minimal electricity to generate gentle warmth, preventing pipe ice buildup without high energy costs.
  • [Energy Efficient & Save Money] - The heat exchanger is constructed from high-quality oxygen-free copper, providing superior thermal conductivity and corrosion resistance compared to stainless steel. It achieves a thermal efficiency of 98% (vs. 80% for stainless steel models) and boasts a uniform energy factor (UEF) of 0.81. This design reduces energy waste, lowering annual operating costs by approximately 30% versus traditional systems.
  • [Smart Diagnostic Display] - Equipped with a 3.5-inch LED touchscreen, it allows you to effortlessly adjust and monitor output water temperature(90°F to 140°F)while providing real-time tracking of water flow, fan operation, and flame status. Advanced error code technology enables rapid diagnosis of water heater malfunctions. The UL-certified 120V/5-foot power cord ensures continuous power supply for real-time monitoring systems.
  • [Easy to Install & Save Space] - The whole house tankless water heater features standard 3/4" NPT water inlet/outlet connectors, a 1/2" NPT gas inlet, a 3" OD vent, and a UL-approved 120V plug, ensuring compatibility with most households. With its compact dimensions of 21"H x 13"W x 7"D, the on-demand water heater requires less than one-third of the space occupied by traditional tank models, freeing up valuable room in your home.
  • [Wind Resistant] - Engineered with a DC High-speed Fan (360Pa static pressure/3000 RPM), the system ensures powerful exhaust evacuation capable of withstanding winds from a major hurricane (Category 3 and above, >111 mph/178 km/h), eliminating safety risks like backdraft and flameouts during the most extreme weather.
9.2
Superb
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7
9.1
Superb
GASLAND Gasmart C CS422LP 4.22 GPM Tankless Water Heater Propane, 102,000 BTU On Demand Propane Water Heater, Indoor Installation, CSA Certified,120 Volt
GASLAND

GASLAND Gasmart C CS422LP 4.22 GPM Tankless Water Heater Propane, 102,000 BTU On Demand Propane Water Heater, Indoor Installation, CSA Certified,120 Volt

Why we love it
  • Multiple safety features included.
  • Easy LED display control.
  • Heavy-duty heat exchanger.
Main Highlights
  • Multiple Safety Features - Comes with a long list of safety features standard. These include: built in freeze protection, an overheat cutoff fuse, inlet and outlet thermistors to monitor temperatures, and a built-in flame sensor. When the water temperature is fall below 41°F, it will starting heating to avoid freeze damag, but the power must be kept on.
  • LED Digital Display - The compact, wall mounted GASLAND tankless water heater has a 110/120-volt UL listed 5 feet power cord that powers the internal Exhaust Fan. The LED digital display screen allows you to easily adjust and view output water temperature. Bright indicator lights show water flow, fan, and flame detection, along with advanced error code technology to quickly diagnose your water heater.
  • Easy to Use - Rated at 4.22 GPM at 102,000 BTUs. It features 1/2" NPT incoming and outgoing water connections. Designed for compatibility with most standard size plumbing. 3-inch diameter exhaust pipe is required. this ultra-efficient tankless water heater is ideal for just about every single-family home.
  • Heavy Duty Heat Exchanger - The primary heat exchanger is built out of oxygen-free copper, offering better heat transfer than stainless steel and designed to be more resilient against corrosion. GASLAND tankless water heaters are built to last and save you money in the process.
  • Wind-resistant - Equipped with DC variable frequency fan, it can withstand Category 10 typhoons and avoid safety hazards such as backflow and flameout in extreme weather.
  • Installation Tips - This tankless gas water heater must be installed in a well-ventilated area. Recommended in accordance with local building and plumbing codes by licensed professionals. And Not recommended in excess of 2000 feet above sea level.
  • Installation Tips - This tankless gas water heater must be installed in a well-ventilated area. Recommended in accordance with local building and plumbing codes by licensed professionals. And Not recommended in excess of 2000 feet above sea level.
9.1
Superb
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8
9.1
Superb
Tankless Water Heater 4.74GPM 18L Outdoor Portable Gas-Fired Geyser Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins
DWALE

Tankless Water Heater 4.74GPM 18L Outdoor Portable Gas-Fired Geyser Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

Why we love it
  • Endless hot water anywhere.
  • Energy efficient and lightweight.
  • Complete accessories included.
Main Highlights
  • 【Premiun Water Heater】-Tankless Water Heater with CSA Approved Regulator, with more safety protection such as flame failure device, over heating protection,Just need 3.6PSI of water pressure,4.74 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane(LPG)
  • 【Efficient & Energey Saving】-The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 68,000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
  • 【Portable Design】-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV, or for giving your pet a bath,Size: 24.2x5.9x13.4 inches,Gas Hot Water Heater is Powered by 2 pcs size "D"cell Batteries.
  • 【Complete Accessories】-This tankless water heater comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in(1.5m) extended Long Stainless Steel Hose and Shower Holder,There are three interface ports under propane water heater. The left one is the Air inlet. ​The middle one is the shower port,and The right one is the water inlet.
  • 【Wide Usage】- This Camping Heater,Perfect for Outdoor Shower,Which Bringing an Amazing hot Shower for you When you are Camping, Hiking, Fishing, Beaching, Portable Hot Water Sink, RV/SUV/MPV, etc. Besides, you can Also Wash your Pets with this Tankless Water Heater,Always check gas leakage before operation.
9.1
Superb
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9
9.0
Superb
Save 20%
Propane Tankless Water Heater, 4.74GPM 18L Indoor,Instant Hot Propane Gas Water Heater with Multi-Protection
DWALE

Propane Tankless Water Heater, 4.74GPM 18L Indoor,Instant Hot Propane Gas Water Heater with Multi-Protection

20% Off
Why we love it
  • Steady temperature control ensures comfort.
  • Energy-efficient design saves money.
  • Compact size maximizes available space.
Main Highlights
  • 【Tankless Water Heater】– This propane tankless water heater features steady temperature control and multiple safety protections, including a flame failure device, anti-freeze protection, and overheating protection. It operates with just 3.6 PSI of water pressure, delivering up to 4.74 gallons of hot water per minute. With a maximum temperature rise of 65°C(149°F), this unit is designed exclusively for use with propane (LPG).
  • 【Efficient & Energy-Saving】– With a high-performance output of 68,000 BTU per hour, this 4.74 GPM instant propane water heater provides on-demand hot water for 2–3 points of use simultaneously, making it ideal for bathrooms and kitchens. The advanced combustion technology minimizes gas consumption and reduces operational noise for a more efficient and quieter experience.
  • 【Premium Quality & Durability】– Crafted with a stainless steel body for superior temperature and corrosion resistance, this propane water heater is built to last. The oxygen-free copper water tank ensures minimal heat loss and an extended service life. The LED smart digital display allows for easy temperature adjustments between 35°C(95°F) and 65°C(149°F), giving you precise control over your hot water needs.
  • Easy Installation & Use】– This tankless propane water heater is designed for quick and hassle-free setup. It comes equipped with standard 1/2" NPT water fittings, and a 2.5" horizontal vent pipe for easy installation. For safe operation, ensure proper ventilation and install a smoke exhaust pipe as required.
  • 【Versatile & Space-Saving】– This compact tankless water heater saves over 50% of space compared to traditional tank models, making it a perfect choice for homes, small cabins, and remote apartments. It efficiently meets both bathroom and kitchen hot water demands without the need for an expansion tank. Note: In cold weather, drain residual water by opening the pressure relief valve if the unit will not be used for an extended period.
9.0
Superb
Save 20%
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10
8.9
Excellent
Tankless Water Heater Propane, 4.23 GPM 16L Outdoor Portable Water Heater, Instant Propane Water Heater with Digital Display Multi-Protection for Camping, RV, Cabins
DWALE

Tankless Water Heater Propane, 4.23 GPM 16L Outdoor Portable Water Heater, Instant Propane Water Heater with Digital Display Multi-Protection for Camping, RV, Cabins

Why we love it
  • On-demand hot water anywhere.
  • Portable for camping trips.
  • Efficient heat delivery.
Main Highlights
  • 【Propane Water Heater】-This tankless water heater features a CSA-certified regulator and multiple safety protections: 20-min overtime protection, and overheat protection. Comes with shower kits, plumbing adapters, expansion bolt . Delivers 4.23 gallons of hot water per minute with a maximum temperature rise of 85°C. Designed for propane (LPG) use only.
  • 【Portable Design】-This portable water heater is compact and lightweight with folding handles for easy carrying. Includes a CSA-certified regulator, shower kits, plumbing adapters, and expansion bolt for both personal and pet bathing. Enjoy a hot shower after a long camping day. Dimensions: 13.4 x 6.3 x 23.2 inches. Powered by DC 1.5V*2 battery.
  • 【Efficient & Energy-Saving】-This propane tankless water heater utilizes advanced combustion technology in the heat exchanger and main burner to reduce gas consumption and burning noise. Maximum power output: 81,900 BTU/h — enjoy continuous instant hot water wherever you are. Compact design with 11.5% energy-saving technology means more hot water for less money.
  • 【5-in-1 Shower Head & Water Saving】-This tankless water heater features a 5-mode shower head (Mixed/Spray/Shower/Pressure/Pulse) with an easy left/right toggle. Unique pause button: press to stop water flow while applying soap, press again to resume, no need to readjust temperature. Paired with the 24KW heating system for instant hot water all year round.
  • 【Wide Application】-This outdoor water heater is perfect for hot showers anytime, anywhere. Its compact and portable design is ideal for camping, hiking, fishing, beach trips, cabins, and more. Also great for washing your pets. NOTE: Do not use Teflon tape between the gas regulator and gas inlet pipe. Always check for gas leaks before operation.
8.9
Excellent
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