McDonnell & Miller TC-4 Valves Els PW 17895 or hot gas lines of

or hot gas lines of your HVACR circuit

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

Maintaining this distance is critical for consistent arcing

this centrifugal blower manages the evacuation of flue gases

this electrode is likely the culprit

McDonnell & Miller TC-4 Valves Els PW 17895 or hot gas lines ofFor 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.