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When converting from LP to natural gas on these smaller units
Simplified Wiring: Designed to mount directly inside the existing power box
and DES series
replacing the flame sensor is the industry-standard best practice to avoid repetitive callbacks
McDonnell & Miller 750-HW-MT-120 Control Els PW 17895 When converting from LP toThe McDonnell & Miller 750 HW MT 120 (Part Number 176236) is a heavy duty 120Vac high water cut off designed to provide failsafe protection for steam boilers and hot water heating systems. Engineered for commercial and industrial environments, this manual reset control prevents hazardous overfill conditions by interrupting the burner circuit or water feeder pumps the moment water levels exceed the safety probe's threshold. Unlike automatic reset
US$ 152.50
US$ 297.50
US$ 157.50
US$ 297.50