![Lennox 19J81 Limit Switch, 210-240°F specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-19j81-specs.png?v=1794100116&width=1445)
The Lennox 19J81 is an automatic-reset limit switch with a 7 in. insert, rated 210-240°F. It monitors furnace temperature and interrupts the burner or blower circuit if the unit runs outside this range, resetting itself once temperatures return to normal. This is a genuine Lennox replacement part. Confirm the part number 19J81 against your equipment's parts list before ordering.
Specifications
| Part Number | 19J81 |
|---|---|
| Brand | Lennox |
| Type | Limit Switch |
| Temperature Range | 210-240°F |
| Insert Length | 7 in. |
| Reset | Automatic |