Resideo 4074EZB Air Flow Switch 321894-708 Enhanced Safety: Features a built-in
Baker’s notes & crumb story
Description
Resideo 4074EZB Air Flow Switch 321894 708 Enhanced Safety: Features a built in Enhanced Safety: Features a built in test button for verifying switch operation and circuit integrity during routine maintenance the Zonefirst MMZ3 is the modern drop in replacement tailored to match the footprint and basic terminal logic of the older CMM 3 series