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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Touching the gray silicon carbide element transfers skin oils
Broad Temperature Stability: Functions reliably from sub-freezing 5
The internal circuitry is self-powered by the induced current from the monitored line
The Lennox 27H87 Limit Switch is a critical OEM safety component engineered for precise thermal management in high-performance heating systems
Using a switch with an incorrect rating can cause the unit to run under unsafe conditions or fail to ignite entirely
Lennox 18M84 Limit Switch Els PW 17895 Touching the gray silicon carbideProfessional 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