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Designed with a stainless steel outer jacket
This tamper-resistant furnace control cover is specifically designed for commercial thermostat protection in schools
reducing fuel consumption and equipment wear
ensuring the root cause of the overheat is addressed before the system resumes operation
McDonnell & Miller 150S-MD-HD Controller 30067439-890 Designed with a stainless steelThe McDonnell & Miller 150S MD HD (Part Number 173103) is a high performance combination low water cut off and pump controller head mechanism designed for demanding commercial and industrial steam boiler applications. This specific model features maximum differential operation, a critical function that prevents nuisance burner shutdowns in systems with fluctuating water levels or low pressure environments. By providing a wider 7 8 inch differential
