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This part is widely used in Weil McLain CGi and CGa series residential gas boilers
providing a critical safety layer that prevents burner operation during dangerous low-water conditions
0A full load range
ensuring long-term dielectric strength during heavy duty cycles
Larger or smaller Ultra units (such as the 80 or 155) require different valve/venturi configurations to match their specific BTU outputs
Dwyer Instruments CXA-R1 Pressure Switch 324846-701 This part is widely usedThe Dwyer CXA R1 Pressure Switch is a contractor grade water pump pressure control designed for heavy duty applications. This normally open switch features a 15 80 psig range and is engineered with a DPST snap action to maintain precise system pressure. The 15 30 psig adjustable deadband allows technicians to fine tune the differential, reducing short cycling in pump control systems. Built for versatility, the CXA R1 includes a 1 4" female NPT process
