Aprilaire 5532 Membrane Switch 321042-401 This crankarm is specifically designed

This crankarm is specifically designed to mount onto 7/16-inch or 1/2-inch diameter damper shafts using a standard set-screw or bolt-tightening mechanism

Is the CAP100000440LAS compatible with other brands

serving as the 1:1 direct replacement for Barber Colman K-503 and Invensys K-503 models

This genuine Weil McLain boiler part is engineered to withstand the intense thermal cycling of residential gas boilers

Optimized Heat Distribution: Maintains a 36-inch heating footprint to prevent localized hot spots on the heat exchanger

Aprilaire 5532 Membrane Switch 321042-401 This crankarm is specifically designedMaintain precise environmental control with the Aprilaire 5532 Membrane Switch, a genuine OEM replacement part specifically engineered for high performance Aprilaire humidifiers and air quality equipment. This essential HVAC control panel component restores full responsiveness to your system's interface, ensuring accurate adjustments for humidity levels and air purification settings. Designed to meet rigorous factory standards, the Aprilaire 5532