Protect your furnace and ensure safe operation with the Lennox 87H91 limit switch (also known as R20001103). This OEM-designed automatic reset control shuts off the burner when internal temperatures rise above 130°F, then resets around 170°F to keep your heating system running safely and efficiently.
Lennox 87H91 Furnace Limit Control Switch
Original price was: $8.38.$4.76Current price is: $4.76.
Sale!33 in stock
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