Lochinvar & A.O. Smith 100166072 Pressure Switch this 168 series relay facilitates

this 168 series relay facilitates the seamless cutout of start capacitors once the compressor or motor reaches approximately 75% to 80% of its rated speed

How do I wire the coil for different voltages

Easy Identification: The red stripe allows for error-free tracing of complex pneumatic control lines

the bond on copper or brass will withstand 850psi of refrigerant pressure

OEM Compatibility: Exact replacement for Heil Quaker 1086519

Lochinvar & A.O. Smith 100166072 Pressure Switch this 168 series relay facilitatesThe Lochinvar & A. O. Smith 100166072 Pressure Switch is a critical safety component designed for precise vent pressure monitoring in high efficiency commercial boilers and water heaters. This genuine OEM replacement part, which is 100% identical to the Lochinvar PRS1016, ensures that the inducer blower is moving sufficient air to maintain a safe combustion environment. As a veteran technician knows, a faulty exhaust pressure switch is a common