Watts 0278328 Valve 30067439-890 this is a "TXV less

this is a "TXV less flange" model

any XTOB series thermal overload relay can be directly mounted to the load side (T1-T2-T3) of this contactor

Simplified Maintenance: Featuring a soft seat (PFA Teflon) design that reduces repair costs and ensures bubble-tight shutoff compared to traditional metal-to-metal seats

maintaining the original equipment manufacturer's airflow CFM specifications and electrical load requirements

Watts 0278328 Valve 30067439-890 this is a "TXV lessThe Watts 0278328 (Model 174A 2 50) is a high capacity ASME Section IV certified boiler pressure relief valve designed for commercial hot water space heating and domestic supply applications. Featuring a 2 inch NPT female threaded inlet and outlet, this bronze body safety valve provides critical overpressure protection for large scale boiler systems. It is factory set at 50 PSI, delivering a verified steam discharge capacity of 5,575,000 BTU hr. Its