Eccotemp Scratch & Dent - Builder Series 7.0 GPM Outdoor Natural Gas Tankless Water Heater - 1779607524342_932

Eccotemp Scratch & Dent - Builder Series 7.0 GPM Outdoor Natural Gas Tankless Water Heater - 1779607524342_932

The Eccotemp 7.0 GPM Outdoor Natural Gas Tankless Water Heater (7GB-NG) is the largest capacity model in the Builder Series. CSA approved and rated at an impressive 7 GPM with a temperature rise of 45 degrees. This tankless water heater is rated at  180,000 BTU and can produce unlimited hot water for 4-5 applications simultaneously. Eccotemp’s advanced 0.79 GPM low flow ignition technology allows users to enjoy endless hot water without experiencing cold spots.

We recommend the 7.0 GPM Outdoor Natural Gas Tankless Water Heater (7GB-NG) for large, medium, small 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 7GB-NG 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 7GB-NG pulls less than 0.61 amps during operation, making it ideal for low energy consumption and efficiency.

The Eccotemp 7GB-NG has been CSA tested and approved for US & Canadian use at elevations up to 2000 feet. Installation and use of the Eccotemp 7GB-NG above 2000 feet may affect overall product efficiency and performance.

All purchases valued at $75 or above will be shipped with SIGNATURE REQUIRED. If you wish to remove the SIGNATURE REQUIRED please contact Customer Service. Please Note: By opting out of SIGNATURE REQUIRED, you release Eccotemp from all liability of lost or stolen packages. Call 1-866-356-1992 or chat with us to speak with a customer service agent.

Features                    

• Rated for 4-5 applications means enjoying on-demand hot showers for up to 3 bathrooms simultaneously
• Rated at 7 GPM (gallons per minute) at 180,000 BTUs with a temperature rise of 45 degrees, this ultra-efficient tankless hot water heater is the largest capacity model in the Eccotemp Builder Series and 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 7GB Builder Series is designed for outdoor installation. Outdoor models do not require a venting system.
• Limited Manufacturer Warranty (Heat Exchanger: 10 Years, Components: 5 Years, Parts/Accessories: 30 Days), live chat, appointments for product support, and self-help guides will give you peace of mind that the Eccotemp 7GB-NG will keep you in hot water for years
• What's Included: Eccotemp 7.0 GPM Outdoor Natural Gas Tankless Water Heater (7GB-NG), mounting hardware, gas appliance shut off valve, remote control, and product manual
• The Eccotemp 7GB-NG 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

What our Experts Think

Q&A

Q: What is this Eccotemp 7.0 GPM Scratch & Dent unit?
A: It is a scratch & dent version of the Eccotemp 7GB-NG outdoor natural gas tankless water heater, designed for whole-home hot water supply with up to 7.0 GPM flow rate.

Q: What does “Scratch & Dent” mean?
A: It means the unit may have cosmetic marks, minor wear, or open-box status, but is tested to original working condition and backed by manufacturer warranty.

Q: What is the hot water capacity?
A: It delivers up to 7.0 GPM, supporting multiple showers and up to 4–5 water applications at once (around 3 bathrooms depending on usage).

Q: What is the BTU rating?
A: It operates up to 180,000 BTU, allowing fast heating and stable output even under heavy demand.

Q: Is this an indoor or outdoor unit?
A: It is an outdoor installation model, meaning no venting system is required, since exhaust is released outside.

Q: What fuel does it use?
A: This version runs on natural gas (NG) and requires a properly sized gas line for safe operation.

Q: Does it require electricity?
A: Yes. It uses 110/120V power for the control board, fan, and freeze protection system, with low energy consumption during operation.

Q: What type of homes is it suitable for?
A: It is designed for small to large homes, townhouses, condos, cabins, and light commercial use with high hot water demand.

Maintenance Tips

• Flush every 6–12 months to prevent scale buildup and maintain heating performance
• Clean inlet water filter regularly to avoid flow restriction and ignition issues
• Check gas line connections for leaks, corrosion, or looseness before operation
• Ensure outdoor installation area is clear of debris for proper airflow and safe exhaust
• Inspect freeze protection system to avoid cold-weather damage or pipe cracking
• Descale heat exchanger more often in hard-water areas to maintain stable temperature output
• Maintain proper water pressure to prevent temperature fluctuations or shutdowns
• Keep exterior casing clean and dry; remove dust, insects, and debris buildup
• Check temperature sensors and display for error codes and resolve early
• Shut off gas and water supply before any maintenance or servicing
• Do not use for hydronic heating, floor heating, or recirculating systems
• For scratch & dent units, inspect casing and fittings periodically for hidden impact or shipping damage
• Schedule professional servicing every 12 months for safe and efficient operation