Reznor 123973 Limit Switch Refrigerant featuring a 50 PSI open

featuring a 50 PSI open and 71 PSI close configuration

Streamlined Installation: Robust color-coded leads and high-quality connectors enable "plug-and-play" replacement

Its external equalization compensates for pressure drops across the evaporator

Utilizing a permanent split capacitor (PSC) design

an LGP series switch should be utilized

Reznor 123973 Limit Switch Refrigerant featuring a 50 PSI openThe Reznor 123973 Limit Switch is a critical OEM replacement component engineered for precise thermal regulation within Reznor unit heaters and furnace systems. This 105 160F AUTO Fan & Limit Control functions as a high limit safety device, automatically cycling the blower fan and interrupting the burner circuit if internal plenum temperatures exceed safe operating parameters. Designed for professional HVAC equipment repair, the 123973 ensures proper