Manual Override Switch: Integrated HOA switch allows for direct control of the load during commissioning or troubleshooting

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providing instantaneous burner ignition

Skip the temporary cleaning and drop in a fresh Lennox 90H83 to ensure the sensor reads the proper 1

Carrier HH18HA195 Limit Switch Els PW 17895 Manual Override Switch: Integrated HOAThe Carrier HH18HA195 Limit Switch is a critical safety component designed for furnace high temperature protection. This factory spec manual reset limit switch features a snap disc design that is calibrated to open the electrical circuit at a precise 195F cutout temperature. As a normally closed (NC) SPST switch, it maintains continuity during standard heating cycles but breaks the 24V or line voltage circuit to the gas valve or inducer motor if an