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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Safety Compliance: Reliable flame monitoring prevents hazardous gas buildup by ensuring the fuel valve only remains open during active combustion
preventing soot accumulation and heat exchanger stress
This specific pneumatic reversing relay is factory-calibrated to a 9 PSI crossover point
the Trane SLG0031 ensures a secure fit on the fan shaft
Standardized Mounting: The 1
Lennox 87H92 Limit Switch Safety Compliance: Reliable flame monitoringFor service technicians working on older Lennox, Allied, or Ducane heating units, the Lennox 87H92 Limit Switch is a critical safety component. This 100 140F AUTO Limit Switch is an SPST (Single Pole Single Throw) device designed to maintain air temperature within the plenum. The 87H92 is identical to 20121901 and serves as a direct OEM replacement parts solution for a variety of residential furnace series, including Lennox G24, G26, AF80MPA, and GH19