Lennox 14A53 Pressure Switch L99H008 Direct Modular Replacement: Specifically tailored

Direct Modular Replacement: Specifically tailored for 25 Series Main Valves

013 orifice (part number 660922) pre-installed

Will this fix a code 31 or pressure switch stuck open error

reducing labor time during heavy service seasons

Lennox 14A53 Pressure Switch L99H008 Direct Modular Replacement: Specifically tailoredThe Lennox 14A53 Pressure Switch is a critical safety component designed for two stage gas furnaces, specifically engineered to monitor dual pressure thresholds of . 40" WC and . 70" WC. As a vital furnace draft inducer switch, it ensures the combustion blower is moving sufficient air to clear flue gases before ignition occurs. This dual stage pressure switch prevents hazardous operation by opening the electrical circuit if the static pressure falls