Lennox 18M84 Limit Switch Els PW 17895 When you are opening up

When you are opening up a Lochinvar Copper-Fin II or EnergyRite unit for a heat exchanger teardown

This kit includes precisely machined LP burner orifices and a high-visibility conversion label to clearly indicate the modified fuel type for future service calls

High-Accuracy Detection: Utilizing a tri-color crystal element

Designed with a rugged NEMA 3R metallic enclosure

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Lennox 18M84 Limit Switch Els PW 17895 When you are opening upProfessional grade Lennox 18M84 limit switches are critical safety components designed to regulate internal furnace temperatures and protect heat exchangers from thermal stress. This OEM Lennox limit control features a 3 inch insertion depth and is factory calibrated for an auto reset range of 230 260F. As a normally closed switch, it breaks the electrical circuit to the gas valve if the plenum temperature exceeds the 260F threshold, typically caused