![Lennox 18K69 Limit Switch specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-18k69-specs.png?v=1794091492&width=1445)
This Lennox 18K69 is a furnace limit switch, designations L150F and L333F, used to monitor plenum or bonnet temperature and shut off the burner if the furnace overheats. It is a genuine Lennox replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 18K69 |
|---|---|
| Brand | Lennox |
| Type | Limit Switch |
| Designations | L150F / L333F |