this HVAC safety switch includes both the mounting bracket and high-temp silicone tubing for a complete field replacement

the switch will automatically close the circuit

making it a versatile choice for package burners and furnace applications

By monitoring the differential pressure setpoint

this is the 88A12 flame sensor wire only

Schneider Electric (Barber Colman) 2372-501 Pressure Selector Els PW 17895 this HVAC safety switch includesThe Schneider Electric (Barber Colman) 2372 501 is a high performance pneumodular pressure selector and volume booster relay engineered for critical pneumatic control sequences. Specifically designed as a low pressure selector, this unit compares two proportional input signals and transmits the lower value to the branch line. When utilized as a pneumatic volume booster relay, it significantly reduces system transmission lag by amplifying the volume of