McDonnell & Miller 63-HD Head Mechanism Els PW 17895 The float is engineered to

The float is engineered to precise buoyancy specifications to ensure accurate low water cut-off and replenishment signaling

Always consult the manufacturer's technical data before attempting any field conversions

Rugged Steel Housing: Offers high dielectric strength (600V) and protects internal components from harsh job site debris

By maintaining a concentric grip on the shaft

This comprehensive furnace ignitor conversion kit is a direct replacement for York 473-20937-001 and White-Rodgers 767A-381

McDonnell & Miller 63-HD Head Mechanism Els PW 17895 The float is engineered toThe McDonnell & Miller 63 HD Head Mechanism (Part Number 142600) is a heavy duty field replacement designed for Series 63 low water cut offs. As a veteran grade mechanical LWCO solution, this auto reset head assembly provides essential protection for both hot water and steam boilers in residential and commercial environments. Engineered to manage boiler pressure up to 50 PSI, the 142600 integrates the No. 2 SPDT switch to ensure reliable burner