McDonnell & Miller TC-4 Valves THPU32HP7Y Always cross-reference your specific model

Always cross-reference your specific model number with the HVAC parts manual to ensure correct manifold configuration

technicians typically opt for the metal-seated 6010 series

or internal calcium buildup in the heat exchanger

Can I use this on other brands besides Goodman

McDonnell & Miller TC-4 Valves THPU32HP7Y Always cross-reference your specific modelFor 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.