![Lennox 53J09 Limit Switch, 170-210°F Auto Reset specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-53j09-specs.png?v=1794092649&width=1445)
This Lennox 53J09 limit switch is a genuine Lennox replacement part that monitors furnace or heat exchanger temperature and shuts down the burner or blower if conditions run too hot. It trips within a 170-210°F range and resets automatically once temperatures return to normal. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 53J09 |
|---|---|
| Brand | Lennox |
| Type | Limit Switch |
| Temperature Range | 170-210°F |
| Reset Type | Auto |