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Technicians should note that this unit is configured for Natural Gas (NG) but can be field-converted for Liquid Propane (LP) with the appropriate 110-007 kit
this power vent damper prevents standby heat loss by closing the flue pipe when the burner is off
making it an essential component for switching resistive loads or 1/3 HP motors at 120VAC
verifying the oil pump compatibility with your existing burner flange and shaft coupling is critical for a leak-free seal
optimized for pilot-duty operation and pneumatic logic applications
Lennox 77W90 Damper Motor 326058-755 Technicians should note that thisThe Lennox 77W90 is a high performance damper actuator motor engineered specifically for outdoor air regulation and ventilation control in residential and commercial HVAC systems. This 24V damper motor operates on both 24VAC and 24VDC, providing 4. 5 VA of power to ensure precise positioning of outdoor air dampers. As a genuine HVAC replacement part, the 77W90 (102691 01) is critical for maintaining optimal indoor air quality and system energy
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