A failed heater allows refrigerant to mix with the oil

The first stage features dual stainless steel orifice tubes that provide 10-micron mechanical separation

What happens if the 1

Contamination from skin oils can cause the silicon nitride element to fail prematurely when it reaches operating temperature

McDonnell & Miller 343400 Float and Gasket Els PW 17895 A failed heater allows refrigerantWhen you are performing an annual teardown on a McDonnell & Miller Series 63 low water cut off, the 343400 Float and Gasket assembly (Model SA63 30) is a standard replacement for maintaining system integrity. This OEM kit includes the precision engineered float, the CO 12 head gasket, and the necessary rod component to ensure accurate liquid level sensing in high demand steam and hot water boiler applications. Designed for a maximum boiler pressure of