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 ...
Polyvinyl chloride (PVC) is hailed as a wonder material, and, in many ways, it is. However, the possibilities are not endless. PVC has its limits, especially in HVAC applications. PVC sometimes makes ...