Corrosion-free, heavy gauge steel cabinet is insulated with 5/8 in. faced foil for noise suppression
For Use with Rinnai Tankless Water Heaters (SENSEI™ SEPlus, HEPlus, and HE Series) with input of 160,000 BTU or greater
Includes pre-installed pump with check valve and air purge valve
Suitable for potable water systems