Gas Tankless Water Heaters

Efficient, durable and energy conserving — these products are the solution to your hot water needs.

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    Marey Tankless Water Heater Gas 30L 8.5 GPM, 199,000 BTU, Liquid Propane, High Efficiency, CSA Certified, Indoor

    $745.99
    • Top-tier performance and superior durability: its advanced Japanese technology, ensures optimal efficiency for energy and money-saving operations. The perfect combination of functionality, quality, and value.
    • Full-house Endless Hot Water: Enjoy unlimited hot water with up to 4-5 use points running simultaneously, fulfilling all household or light-commercial needs.
    • Premium Components: Designed with superior materials for exceptional heat transfer, protection, and extended product lifetime. Low-NOx emissions and NSF certification ensure clean, eco-friendly water delivery.
    • Certified Quality: CSA certified in the USA and Canada, guaranteeing top safety, quality, and durability standards. Multiple security layers, including overheat, flame failure, and anti-freezing features, ensure worry-free operation.
    • Save Space and Installation-time: Free up storage space with a compact wall-mounted design. Simplify installation with its standard 4” size exhaust venting.
  • Quick View

    Marey Tankless Water Heater Gas 30L 8.5 GPM, 199,000 BTU, Natural Gas, High Efficiency, CSA Certified, Indoor

    $745.99
    • Top-tier performance and superior durability: its advanced Japanese technology, ensures optimal efficiency for energy and money-saving operations. The perfect combination of functionality, quality, and value.
    • Full-house Endless Hot Water: Enjoy unlimited hot water with up to 4-5 use points running simultaneously, fulfilling all household or light-commercial needs.
    • Premium Components: Designed with superior materials for exceptional heat transfer, protection, and extended product lifetime. Low-NOx emissions and NSF certification ensure clean, eco-friendly water delivery.
    • Certified Quality: CSA certified in the USA and Canada, guaranteeing top safety, quality, and durability standards. Multiple security layers, including overheat, flame failure, and anti-freezing features, ensure worry-free operation.
    • Save Space and Installation-time: Free up storage space with a compact wall-mounted design. Simplify installation with its standard 4” size exhaust venting.
  • Quick View

    Marey GAS 6L – 1.58GPM Liquid Propane Tankless Water Heater

    $189.99

    Quick Overview:

    • Water heating solution for a point of use application
    • Better apt for outdoor installation with front cover design
    • No electrical connection required, pulse ignition, powered by (2) D batteries.
    • Activated by water flow, not water pressure.
    • Multiple safety sensors including auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flameout protection, and twin solenoid valves.
    • Convenient summer/winter switch to control your temperature all year round.
    • 5-year warranty

    Features:

    • Water-controlled automatic ignition
    • This unit provides more comfort and energy savings in the form of lower gas consumption in warmer months.
    • Sufficient flow is always required to keep the overheat safety sensor from shutting the unit off.
    • Anti-dry combustion protection
    • 1.58-GPM heater is activated by water flow rather than water pressure
    • Minimum activation rate: 0.48 GPM
    • Maximum input rating: 42,000 BTUs
    • Pressure rating: 2.5 – 116 PSI
    • Water connection location/size: Bottom/0.5-inch NPT
  • Quick View

    Marey GAS 6L – 1.58GPM Natural Gas Tankless Water Heater

    $189.99

    Quick Overview:

    • Water heating solution for a point of use application
    • Better apt for outdoor installation with front cover design
    • No electrical connection required, pulse ignition, powered by (2) D batteries.
    • Activated by water flow, not water pressure.
    • Multiple safety sensors including auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flameout protection, and twin solenoid valves.
    • Convenient summer/winter switch to control your temperature all year round.
    • 5-year warranty

    Features:

    • Water-controlled automatic ignition
    • This unit provides more comfort and energy savings in the form of lower gas consumption in warmer months.
    • Sufficient flow is always required to keep the overheat safety sensor from shutting the unit off.
    • Anti-dry combustion protection
    • 1.58-GPM heater is activated by water flow rather than water pressure
    • Minimum activation rate: 0.48 GPM
    • Maximum input rating: 42,000 BTUs
    • Pressure rating: 2.5 – 116 PSI
    • Water connection location/size: Bottom/0.5-inch NPT
  • Quick View

    GA 14CSA LP

    $479.99

    Quick Overview:

    • 3.7 GPM
    • Digital temperature display
    • CSA Certified
    • 3 points of use application
    • Indoor installation
    • Requires a 120 VAC and 60 Hz power
    • Not recommend for elevations above 2000 ft.

    Features:

    • CSA Certified
    • 3 points of use application
    • 3.7 GPM
    • Digital temperature display
    • Indoor installation
    • Requires a 120 VAC and 60 Hz power
  • Quick View

    GA 14CSA NG

    $479.99

    Quick Overview:

    • 3.7 GPM
    • Digital temperature display
    • CSA Certified
    • 3 points of use application
    • Indoor installation
    • Requires a 120 VAC and 60 Hz power
    • Not recommend for elevations above 2000 ft.
  • Quick View

    Marey GAS 10L – 2.64GPM Liquid Propane Tankless Water Heater

    $269.99

    Quick Overview:

    • No electrical connection required, pulse ignition, powered by (2) D batteries.
    • Activated by water flow, not water pressure.
    • Multiple safety sensors including auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flameout protection, and twin solenoid valves.
    • Convenient summer/winter switch to control your temperature all year round.
    • 5-year warranty

    Features:

    • Water-controlled automatic ignition
    • This unit provides more comfort and energy savings in the form of lower gas consumption in warmer months.
    • Sufficient flow is always required to keep the overheat safety sensor from shutting the unit off.
    • Anti-dry combustion protection
    • Over-pressure protection(when water pressure is over 145 PSI);
  • Quick View

    Marey GAS 10L – 2.64GPM Natural Gas Tankless Water Heater

    $269.99

    Quick Overview:

    • No electrical connection required, pulse ignition, powered by (2) D batteries.
    • Activated by water flow, not water pressure.
    • Multiple safety sensors including auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flameout protection, and twin solenoid valves.
    • Convenient summer/winter switch to control your temperature all year round.
    • 5-year warranty

    Features:

    • Water-controlled automatic ignition
    • This unit provides more comfort and energy savings in the form of lower gas consumption in warmer months.
    • Sufficient flow is always required to keep the overheat safety sensor from shutting the unit off.
    • Anti-dry combustion protection
    • Over-pressure protection(when water pressure is over 145 PSI);
  • Quick View

    Marey Gas 5L Portable Liquid Propane

    $149.99

    Quick Overview:

    • The best outdoor hot water solution
    • Activated by low water pressure.
    • Advanced technology.
    • High-quality components.
    • Easy installation.
    • The unit will be shipped from our Puerto Rico office.

    Features:

    • Energy conserving design with adjustable gas and water controls.
    • Automatic IC ignition system.
    • Multiple safety sensors including an overheat sensor and an anti-dry heating device.
    • Compact, lightweight design for easy portability.
  • Quick View

    Marey Gas Tankless Water Heater – 16L 4.2 GPM Natural Gas Water Heaters for Outdoor Use with LED Display – Off Grid Water Heater

    $409.99
    • No need for electricity, Battery Ignition: The Marey 16L outdoor Tankless water heater ignites with 2 D batteries. Perfect for off-grid areas, campsites, cabins or any place where electricity is not available.
    • Continuous Hot Water on Demand: This Marey 16L tankless water heater can support up to 3 simultaneous points of use, depending on the region, with a maximum 4.2 GPM at a 45º F temperature rise, making it the perfect outdoor water heater for your shower.
    • Outdoor Shower Bonus: Elevate your experience with our Marey 16L natural gas tankless water heater, which includes a complimentary outdoor shower head for added convenience.
    • Embrace the reliability of our 109,000 BTU Gas 16L outdoor natural gas tankless water heater. The Marey tankless water heater natural gas-powered system has a stable flow for your everyday hot water needs.
  • Quick View

    Marey Tankless Water Heater Gas 24L 7.5 GPM, 170,000 BTU, Liquid Propane, CSA Certified, Indoor

    $659.99
    • Efficient Performance, Smart Design: Our advanced technology ensures high efficiency and long-lasting durability, boasting a powerful 170,000 BTU capacity. Its user-friendly display allows for dynamic power adjustment tailored to your specific needs.
    • Full-House Endless Hot Water: Enjoy unlimited hot water with up to 3-4 use points running simultaneously, fulfilling all household or light-commercial needs.
    • Certified Quality: CSA certified in the USA and Canada, guaranteeing top safety, quality, and durability standards. Multiple security layers, including overheat, flame failure, and anti-freezing features, ensure worry-free operation.
    • Save Space and Installation Time: Free up storage space with a compact wall-mounted design. Simplify installation with its standard 3” size exhaust venting. (Note: Not recommended for elevations above 2,000 ft.)
  • Quick View

    Marey Tankless Water Heater Gas 24L 7.5 GPM, 170,000 BTU, Natural Gas, CSA Certified, Indoor

    $659.99
    • Efficient Performance, Smart Design: Our advanced technology ensures high efficiency and long-lasting durability, boasting a powerful 170,000 BTU capacity. Its user-friendly display allows for dynamic power adjustment tailored to your specific needs.
    • Full-House Endless Hot Water: Enjoy unlimited hot water with up to 3-4 use points running simultaneously, fulfilling all household or light-commercial needs.
    • Certified Quality: CSA certified in the USA and Canada, guaranteeing top safety, quality, and durability standards. Multiple security layers, including overheat, flame failure, and anti-freezing features, ensure worry-free operation.
    • Save Space and Installation Time: Free up storage space with a compact wall-mounted design. Simplify installation with its standard 3” size exhaust venting. (Note: Not recommended for elevations above 2,000 ft.)
Prices and promotions shown on this website are for sales and orders shipped only to the US Mainland. Puerto Rico customers please visit www.mareypr.com
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