The Johnson Controls A28AA-9C TWO STAGE Temperature Control; 20/80F; DIFF 3.5 FIXED; 6′ CAP; 2-SPDT; NEMA 1; 3/8 X 5″ BULB; 1HP
The A28 Series are two-stage temperature controls that incorporate a liquid-filled sensing element.
Features
- wide temperature ranges available
- constant differential throughout the entire range
- single-pole, double-throw (SPDT) snap-acting switches
- unaffected by changes in barometric pressure
- unaffected by cross ambient conditions
- compact enclosure
- variety of sensing element styles