McDonnell & Miller 64-B Low Water Cut Off Els PW 17895 This HVAC zone valve is

This HVAC zone valve is a standard replacement for maintaining delta T management and overall system efficiency in multi-zone residential and commercial applications

This component is built from heavy-gauge aluminized steel for superior corrosion resistance and heat conductivity

Direct OEM Compatibility: Verified drop-in replacement for HTR6627 and HTR12525

This 7000SRLC series valve is a direct replacement for Robertshaw 710-204

McDonnell & Miller 64-B Low Water Cut Off Els PW 17895 This HVAC zone valve isThe McDonnell & Miller 64 B Low Water Cut Off (Part Number 143800) is a heavy duty mechanical safety control engineered for both hot water and steam boilers. As a veteran grade float type LWCO, this unit provides essential protection against dry firing by interrupting the burner circuit if the water level drops below a safe threshold. It features a robust 1" NPT connection and is rated for a maximum boiler pressure of 50 PSI. The integration of dual