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High Efficiency Modulating Gas

The John Wood® High Efficiency Modulating Commercial Gas Water Heaters feature a fully submerged, spiral-shaped condensing heat exchanger to maximize heat transfer and thermal efficiency ratings up to 98%.

They also offer a straightforward and user-friendly LCD display and convenient top mounted controls.

Thermal Efficiency
I have more than one heater. What is the best way to pipe them?

Piping in parallel allows you to use multiple heaters equally. Learn more in our FAQs

View More FAQs
You could be eligible for a rebate

Find out if your product qualifies you for a rebate in your location

Rebate Program