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Precision Control: The two-stage regulator allows for staging burner output
The assembly features dual Single Pole Double Throw contacts with an adjustable differential
effectively preventing heat exchanger damage and ensuring operational safety
ensuring the blower wheel operates at the correct velocity to prevent coil icing or limit switch tripping
Easy Installation: Push-on design with integrated piston-type seals eliminates air bypass for maximum operational efficiency
Heil Quaker ICP 1171901 Limit Switch 323055-751 Precision Control: The two-stage regulatorThe Heil Quaker ICP 1171901 Limit Switch is a critical safety component engineered for precision temperature monitoring within the furnace plenum. As an OEM L150 55 AUTO Limit Switch, this part is calibrated to open the electrical circuit when internal temperatures hit 150? F, effectively shutting down the burners while keeping the blower motor engaged to cool the heat exchanger. This furnace high limit control is built for high duty cycles and