Lennox 18M84 Limit Switch Els PW 17895 the Johnson Controls P100DA-81 provides

the Johnson Controls P100DA-81 provides a reliable

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

Designed with a rugged NEMA 3R metallic enclosure

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

The unit is designed for use with 1/4-inch pilot tubing and includes a dedicated 1830-series mounting bracket (Type 3) and hood (Type 2)

Lennox 18M84 Limit Switch Els PW 17895 the Johnson Controls P100DA-81 providesProfessional 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