McDonnell & Miller 157RD-1 Replacement Casting Refrigerant ensuring proper venting before the

ensuring proper venting before the ignition sequence begins

providing direct access to the recalibration screw on the dial face for field zeroing or span adjustments

How do I switch this to LP

ACP024G0701021C)

Designed with a robust stainless steel bellows and a built-in pressure pulsation snubber

McDonnell & Miller 157RD-1 Replacement Casting Refrigerant ensuring proper venting before theThe McDonnell & Miller 157RD 1 Replacement Casting is a critical component for maintaining the integrity of 157RD Series low water cut off and pump controller units. This heavy duty replacement body allows technicians to restore a boiler water level control system without the expense of a full valve replacement. Designed for high pressure steam applications, this casting accommodates the dual switch mechanism used for low water cut off and pump