PEACHTREE CITY, Ga. — Rinnai has introduced a tankless water heater that allows for concentric or twin-pipe PVC venting from the same unit. The new Ultra Series condensing tankless water heater models ...
A Look at the Cons Heat Constraints: While PVC can be used to carry cold water and air all day long, there are maximum temperature ratings for the material. The universal maximum temperature for PVC ...
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