McDonnell & Miller TC-4 Valves Els PW 17895 Universal Compatibility: Standard 1/2" NPT

Universal Compatibility: Standard 1/2" NPT inlet/outlet facilitates easy integration into existing American hydronic piping

or hot gas lines of your HVACR circuit

this unit offers advanced staging for systems requiring two heating and two cooling stages

the assembly is rated for media temperatures up to 250°F (121°C)

This board is technically identical to the 8612-012 model

McDonnell & Miller TC-4 Valves Els PW 17895 Universal Compatibility: Standard 1/2" NPTFor industrial boiler applications requiring precise low water cut off (LWCO) verification, the McDonnell & Miller TC 4 Test and Check Valves (Part Number 195000) provide a critical interface for maintenance and safety compliance. This 1" NPT dual valve set is engineered specifically for use with McDonnell & Miller controllers, allowing technicians to isolate the water column and simulate low water conditions without draining the entire system.