ECCOTEMP Builder Series 6.0 GPM Indoor Natural Gas Tankless Water Heat — Home Selection
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ECCOTEMP Builder Series 6.0 GPM Indoor Natural Gas Tankless Water Heater


The ECCOTEMP Builder Series 6.0 GPM Indoor Natural Gas Tankless Water Heater (6GB-ING) is the perfect solution for homeowners looking for reliable and endless hot water. With a powerful 145,000 BTU rating, this unit can produce up to 6 gallons per minute (GPM), providing consistent hot water for 2-3 simultaneous applications. Whether you’re showering, doing laundry, or running the dishwasher, this tankless heater ensures a temperature rise of 45°F, delivering steady warmth for your household.

Equipped with innovative 0.53 GPM low flow ignition technology, the ECCOTEMP Builder Series ensures a smooth, uninterrupted hot water experience without cold spots. CSA approved for safety and efficiency, this natural gas-powered tankless water heater is designed to meet the needs of modern homes, delivering unlimited hot water while saving on energy costs.



We recommend the 6 GPM Indoor Natural Gas Tankless Water Heater (6GB-ING) for standard to smaller size single family homes, townhomes, condos, cabins, as well as smaller commercial applications and home builders. With our upgraded product control board performance and an all-new gas modulating valve, consumers can experience best in class temperature performance that is budget friendly.

The space saving wall mounted Eccotemp 6GB-ING has a 110/120-volt UL listed power cord that powers the internal exhaust fan, anti-Freeze protection and product control board. With its fully automated control system, the Eccotemp 6GB-ING pulls less than 0.34 amps during operation, making it ideal for low energy consumption and efficiency.

The Eccotemp 6GB-ING has been CSA tested and approved for US & Canadian use at elevations up to 2000 feet. Installation and use of the Eccotemp 6GB-ING above 2000 feet may affect overall product efficiency and performance.

IMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.

  • Rated for 2-3 applications means enjoying on-demand hot showers for up to 2 bathrooms simultaneously
  • Rated at 6 GPM (gallons per minute) at 145,000 BTUs with a temperature rise of 45 degrees, this ultra-efficient Builder Series tankless hot water heater is ideal for just about every size single-family home, townhome, condo, cabin, apartment, or light commercial use in the US and Canada
  • CSA certified for installation in the US and Canada. This tankless water heater meets and exceeds all safety and efficiency requirements according to the DOE
  • Advanced Generation 3 Computer board with high performance processing and smart adjust technology built in. Our proprietary developed programming meets and exceeds today’s consumer demands
  • With advanced incoming and outgoing water temperature sensor technology, you always have total confidence when it comes to safety
  • The 6GB Builder Series is designed for indoor installation only and requires 3-inch venting. Make installation a breeze using the Eccotemp 3" Horizontal Vent Kit or 3” Vertical Vent Kit (purchased separately).
  • Limited Manufacturer Warranty (Heat Exchanger: 10 Years, Components: 5 Years, Parts/Accessories: 30 Days), live chat, and self-help guides provide peace of mind, assuring that the Eccotemp 6GB-ING will keep you in hot water for years
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  • What's Included: Eccotemp 6 GPM Indoor Natural Gas Tankless Water Heater (6GB-ING), mounting hardware, gas appliance shut off valve, and product manual
  • The Eccotemp 6GB-ING can be complemented with our patented, one of a kind EZ-Flush Descaling Kit to ensure your tankless water heater is running at maximum efficiency all year long.

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ECCOTEMP Builder Series 6.0 GPM Indoor Natural Gas Tankless Water Heater

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$599.00
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ECCOTEMP Builder Series 6.0 GPM Indoor Natural Gas Tankless Water Heater
$599.00
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ECCOTEMP Builder Series 6.0 GPM Indoor Natural Gas Tankless Water Heater Reviews

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