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interrupting the burner circuit if conditions exceed the preset safety threshold of 140°F
When you're servicing large-scale pneumatic systems
Constructed from premium Ethylene Propylene Diene Monomer (EPDM) rubber
Manual Reset Safety: High-limit lockout requires a technician's inspection before system restart
Lennox 11U72 Pressure Switch Els PW 17895 interrupting the burner circuit ifThe Lennox 11U72 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency gas furnaces. As a genuine OEM replacement part (also identified as Lennox 104371 09), this single pole, single throw (SPST) switch features a normally open contact configuration. It is factory calibrated to actuate at a 0. 90" WC (inches water column) set point, ensuring the draft inducer motor is generating sufficient
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