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this component is the preferred OEM replacement air pressure switch for contractors maintaining furnace draft inducer safety circuits and process control systems
ensure all silicone sensing tubing is clear of moisture or debris during installation
leak-proof installation in high-pressure environments
the absolute humidity range is adjustable at the transducer (0
Aprilaire 4983 Drain Valve 320720-756 this component is the preferredThe Aprilaire 4983 Drain Valve is a critical OEM replacement part engineered specifically for high performance Aprilaire Model 800 series steam humidifiers, including models 800, 865, and 866. This precision built component is essential for managing humidifier water drainage, ensuring that sediment and mineral rich water are efficiently evacuated from the steam canister. By maintaining regular flush cycles, the Aprilaire 4983 prevents mineral buildup