SKU: 37968396764
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this power vent damper prevents standby heat loss by closing the flue pipe when the burner is off
Pressure switches must match the exact WC rating (0
optimized for pilot-duty operation and pneumatic logic applications
Measuring approximately 2
High Flow Efficiency: A generous 30 Cv rating minimizes pressure drop across the 1 1/4" NPT connection
Lennox 77W90 Damper Motor 326058-755 this power vent damper preventsThe 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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