Dwyer Instruments 1900-5MR Pressure Switch 319848-301 Ensure the ground wire is

Ensure the ground wire is secured to the burner chassis and that the flame rectification signal meets the minimum microamp requirement specified by Utica-Dunkirk

The included hardware and gasket are intended for secure

Utilizing an OEM potentiometer like this one prevents common diagnostic errors and "hunting" issues caused by fluctuating resistance in inferior aftermarket alternatives

Direct OEM compatibility with AEA4430AXA and AEA2411JXA compressor models

Dwyer Instruments 1900-5MR Pressure Switch 319848-301 Ensure the ground wire isThe Dwyer Instruments 1900 5MR Pressure Switch is a trade reliable solution for technicians requiring precise monitoring in HVAC, refrigeration, and air handling systems. This compact low differential pressure switch is specifically engineered to handle air and non combustible gases with a setpoint range of 1. 4" w. c. to 5. 5" w. c.. The "MR" designation signifies a manual reset pressure switch, an essential safety feature for critical alarm circuits