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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Direct Replacement: Replaces B2810006
offset diaphragm mechanism ensures snappy response times and reliable shut-off
ensuring compliance with strict fire codes
or up to 50% ethylene glycol
Designed for reliability in high-cycle environments
Lennox 77M09 Box 321894-708 Direct Replacement: Replaces B2810006The Lennox 77M09 Burner Box Side is a vital structural and functional component engineered for high efficiency gas furnace maintenance. As a critical part of the combustion housing assembly, this side panel provides the necessary containment for the burner sparks and flames, ensuring that thermal energy is channeled directly into the heat exchanger. For contractors performing a Lennox HVAC repair, the 77M09 serves as more than just a metal plate; it
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