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Designed for high-reliability applications
this 14x14x1 HVAC filter maintains the factory-specified pressure drop across the heat exchanger
provided the amperage and range match the original specs
California Proposition 65 Warning – This product may contain materials known to the State of California to cause cancer or reproductive harm
Most Lennox HVAC systems require a 5/16" nut driver for the housing components and an adjustable wrench or 1/4" ratchet with an extension to tighten the blower wheel setscrew to the flat side of the motor shaft
Lochinvar & A.O. Smith 100208401 Switch 321894-709 Designed for high-reliability applicationsEnsure critical safety and performance for commercial water heating and boiler systems with the Lochinvar & A. O. Smith 100208401 Switch. This genuine OEM Pressure Switch Nema 4 is engineered to monitor combustion air and flue gas pressures, providing precise circuit activation or deactivation based on preset thresholds. The NEMA 4 enclosure provides superior environmental protection against dust, rain, and hose directed water, making it a reliable