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Durable Construction: Engineered to resist the corrosive environment of flue gas condensate and high-temperature venting
providing critical end-stop feedback or the ability to trigger external equipment like pumps or fan coils
allowing for easy capacity adjustments via exchangeable orifice assemblies
This is a 208/230V
typically used on 4-inch high-pressure or 5-inch low-pressure configurations
Lennox 14A53 Pressure Switch 318518-761 Durable Construction: Engineered to resistThe 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