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The Lennox 71W49 is a temperature-activated roll-out safety switch (OEM 102907-01) that opens at 210°F to protect heating equipment. It functions as a rollout/limit switch for HVAC and furnace burner compartments, interrupting the control circuit when overheat or flame rollout is detected. The unit is supplied as a single replacement part and is used in Lennox furnaces for over-temperature protection and flame rollout detection.
Rollout safety switch, 210°F trip, manual reset, OEM Lennox replacement
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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