The T-H3S series offers high efficiency Ultra-Low NOx condensing technology allowing for the use of 3" PVC venting and has 0" clearance to combustibles. Utilizing commercial grade copper alloy for the heat exchanger tubing. Indoor models are certified up to 10,100 ft. altitude.
Also referred to as T-H3S-IN-P.
The T-H3S is a high efficient, condensing, tankless water heater perfect for residential applications. The T-H3S can produce enough hot water for three bathrooms in warmer climates or two baths in colder climates.
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