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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Engineered with a split-core housing
ensuring that the HVAC system cannot restart until a technician identifies and resolves the underlying cause of the thermal trip
Technicians should install a new 103256 gasket every time the blocked vent switch is removed for inspection or replaced to maintain the integrity of the pressure seal
minimizing the load on the system's control transformer
Lennox 49L91 Pressure Switch Els PW 17895 Engineered with a split-core housingThe Lennox 49L91 is a critical safety component designed for precise furnace draft monitoring within high efficiency heating systems. This OEM Lennox Pressure Switch (also identified as 49L9101) is factory calibrated to actuate at . 51" WC and reset at 0. 61" WC, ensuring the inducer motor maintains the necessary vacuum for safe combustion and flue gas venting. Featuring a SPST (Single Pole Single Throw) configuration and a standard 1 4" barb
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