Dwyer Instruments 1900-5MR Pressure Switch 319848-301 replacing a brittle or corroded

replacing a brittle or corroded harness with this genuine ICP replacement part restores circuit integrity and prevents intermittent communication failures

making it a rugged choice for building automation systems (BAS) and air handling units requiring consistent HVAC proportional control

Integrated Logic: Manages complex sequences for cooling

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

6 Cv linear flow design allows for fine-tuned temperature control in terminal unit applications

Dwyer Instruments 1900-5MR Pressure Switch 319848-301 replacing a brittle or corrodedThe 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