Watts 0163746 Valve 323055-751 Whether you are servicing a

Whether you are servicing a chiller plant or an air-cooled heat exchanger

the P100AP-9 is specifically designed to open on pressure drop (25 PSIG)

25 to 12 Vdc for Powerpile millennium systems

maintaining system pressure integrity in demanding commercial environments

This kit serves as the direct replacement for P399AAC-1-200

Watts 0163746 Valve 323055-751 Whether you are servicing aThe Watts 0163746 (Model 1 LL40XL Z2) is a high capacity temperature and pressure relief valve designed specifically for commercial hot water supply tanks and large boilers. Featuring a 1 inch NPT male inlet and 1 inch NPT female outlet, this bronze body valve is engineered for 500,000 BTU hr systems where safety and high discharge capacity are mandatory. The non mechanical seat to disc alignment ensures reliable operation at a pressure relief setting