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California Proposition 65 Warning – This product may contain materials known to the State of California to cause cancer or reproductive harm
provided the amperage and range match the original specs
utilizing this HVAC prefilter is essential for optimizing the service life of expensive MERV-rated filters downstream while ensuring the system operates within its designed performance curves
this specific model is designed for positive pressure applications
Lochinvar & A.O. Smith 100208401 Switch 321894-709 California Proposition 65 Warning –Ensure 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