Replacement air proving switch for AFC Air Make Up Units. One of the most accurate and dependable controls in the market, making this product so successful. Model JD-2 is sturdy, compact, cost effective, as well as trouble free operation and installation.
- .07" to 1.7" W.C. Range (2mm to 43mm W.C.)
- On/Off Indicator Display
- Rugged, Die Cast Aluminum Housing Construction