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an AGC series model or an external switch kit should be utilized
the MA-305 series is not position-sensitive
Key Benefits Straight-Thru-Flow Technology: Conical valve design provides the highest pressure drop capacity available for its size
For professional hydronic systems
Lennox 80W51 Pressure Switch 326058-758 an AGC series model orThe Lennox 80W51 Pressure Switch is an essential safety component designed for Lennox furnaces and higher efficiency HVAC systems. This differential pressure switch is factory calibrated to a 0. 55" w. c. set point, ensuring reliable monitoring of the combustion blower and venting pressure. As a genuine OEM Lennox replacement part, this switch precisely detects the negative pressure required to safely initiate the furnace ignition sequence, preventing
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