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The McDonnell & Miller 150-1 Replacement Casting is a critical structural component engineered specifically for 150 Series and 158 Series combination low water cut-offs and pump controllers
Heavy-duty construction rated for high-pressure HVAC recovery and operation environments
offering superior overpressure protection and thermal compensation from -4° to 176°F
Its solid-state design provides high reliability in demanding environments
What causes sensor cable failure in HVAC units
Fenwal 01-017023-000 Thermoswitch 319847-401 The McDonnell & Miller 150-1The Fenwal 01 017023 000 Thermoswitch is a high precision cartridge type temperature control engineered for demanding industrial HVACR applications. Operating on the differential expansion principle, this strut and tube thermostat utilizes a 300 series stainless steel shell as the active sensing element, ensuring a nearly instantaneous response to thermal shifts. Designed for a broad temperature control range of 100F to 600F, this unit is configured