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


  • 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.


Whole house indoor solution with a maximum input rating of 199,000 BTU/hr that will provide a flow rate of up to 8.5 GPM. This natural gas tankless water heater is ideal for larger homes, multi-family units as well as light commercial usage. Advanced design meets Low Nox emissions standards while guaranteeing safety with freeze protection, overheat cutoff fuse, & smart sensors. The high-quality copper ensures efficient heat transfer & corrosion resistance, while the NSF certification ensures safe & clean water for your needs. This model is CSA-certified for the US and Canada markets.

  • Minimum Activation Rate 0.6 GPM
  • Minimum Temperature 95 °F – 140°F MAX.
  • Water Connection Location – RIGHT-WATER IN, LEFT-WATER OUT
  • Water Connection Size 3/4” NPT

Additional Features:

  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord.
  • Unit performance is affected if installed above 2000 ft elevation from sea level.
  • Must be installed by a professional plumber or electrician to ensure safety and quality.
  • Find the correct tankless water heater for you: refer to your region’s ground water temperature map to ensure that this is the correct heater for you.
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