and R-404A refrigerants

Precise U-Channel Profile: Specifically designed for a friction-fit application on sheet metal edges

effectively reducing friction and preventing premature wear on the motor rotor and stator

It must be paired with an Erie PopTop actuator (AG or AH series) to function as a complete zone control valve

McDonnell & Miller 53-2 Water Feeder 30067439-890 and R-404A refrigerantsThe McDonnell & Miller 53 2 (Part Number 137100) is a dual function mechanical water feeder and low water cut off designed for heavy duty service in low pressure steam and hot water boiler applications. Engineered for systems with a maximum vessel pressure of 75 PSI, this unit features 1 inch NPT connections and a high capacity feed mechanism. The snap acting SPDT switch provides precise electrical control for burner circuits and alarm signaling,