McDonnell & Miller 310447 Valve 30067439-890 though always check for system

though always check for system pressure limits

Is this transformer compatible with the 7541C model

Robust Construction: Housed in a heavy-duty NEMA 1 all-steel enclosure to protect internal components from mechanical damage in mechanical rooms

Resistored Protection: Integrated resistor helps equalize the potential between the element and the tank’s anode rod to mitigate galvanic corrosion

digital round thermostat designed for precision control in 2-wire heat only systems

McDonnell & Miller 310447 Valve 30067439-890 though always check for systemThe McDonnell & Miller 310447, specifically the Model 14 B Blow Down Valve, is a high performance full port ball valve engineered for critical maintenance of hydronic heating systems. Designed as a direct replacement for McDonnell & Miller Series 47, 67, and 70B boiler controls, this 14 B valve facilitates the essential "blow down" procedure required to flush sediment and ensure the reliability of low water cut off mechanisms. Featuring a 3 4" NPT