![Carrier HH12ZB140 Limit Switch, 140°F Open specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-hh12zb140-specs.png?v=1794046051&width=1445)
The Carrier HH12ZB140 is a limit switch that opens at 140°F and closes at 100°F, used to protect furnace heat exchangers and ductwork from overheating by cutting power to the burner or blower. It is a genuine Carrier replacement part.
Confirm this part number against your equipment's parts list before ordering.
Specifications
| Part Number | HH12ZB140 |
|---|---|
| Brand | Carrier |
| Type | Limit Switch |
| Opens | 140°F |
| Closes | 100°F |