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Can I install this vent limiter horizontally
carbon buildup on the element
As a genuine Utica boiler replacement part
Fast installation: Features 1/2" ODF copper sweat connections to simplify brazing in tight spaces
Lennox 49L91 Pressure Switch Els PW 17895 Can I install this ventThe 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
