making it the standard for JS Series valve bodies and various heat exchangers

ensuring a seamless retrofit without repiping

the 47-20045-02 is the direct manufacturer-specified replacement for the discontinued 47-20045-01 model

this specific control is designed to manage the logic for variable speed motor outputs and tiered electric heating stages

Watts 0556036 Relief Valve Els PW 17895 making it the standard forThe Watts 0556036 is a professional grade LF530 C lead free pressure relief valve engineered for critical protection in residential, commercial, and industrial hydronic systems. This 3 4 inch calibrated pressure relief valve is specifically designed to manage excessive pressure in systems carrying water, oil, or air, making it an essential component for bypass thermal expansion relief. Constructed with a lead free brass body and a corrosion resistant