McDonnell & Miller 1575 Controller R-410A Low Maintenance Design: Simple mechanical

Low Maintenance Design: Simple mechanical operation with a durable seat ensures longevity in high-temperature service

or error codes on the integrated furnace control board indicating a valve circuit fault

Robust Design: The internal diaphragm construction is engineered for long-term cycling reliability in varying humidity conditions

5-ton TXV features the signature T-Series take-apart construction

each Utica-Dunkirk 550001939 kit includes a specialized Garfoil ignitor gasket (Part #1250014) to ensure a high-temperature

McDonnell & Miller 1575 Controller R-410A Low Maintenance Design: Simple mechanicalThe McDonnell & Miller 1575 Controller (Part Number 171907) is a professional grade combination low water cut off and pump controller designed specifically for commercial and industrial steam boiler systems. This electronic control unit features a robust cast iron probe chamber with three pre installed stainless steel probes, engineered to provide precise water level management up to a maximum pressure of 250 psi and temperatures of 406F. The 1575