![Lennox 42J03 Limit Switch, 150-190°F Auto Reset specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-42j03-specs.png?v=1794097269&width=1445)
The Lennox 42J03 limit switch monitors temperature in compatible furnaces and shuts off the burner if it rises outside the safe 150°F to 190°F range, automatically resetting once the temperature drops back within range. It is a genuine Lennox replacement part.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 42J03 |
|---|---|
| Brand | Lennox |
| Type | Limit Switch |
| Temperature Range | 150-190°F |
| Reset Type | Automatic |