![Lennox 74W77 Limit Switch, L155-30F specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-74w77-specs.png?v=1794088841&width=1445)
This Lennox 74W77 limit switch is a genuine Lennox replacement part that monitors furnace temperature and opens to cut power if the unit overheats, helping prevent damage. It is rated L155-30F.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 74W77 |
|---|---|
| Brand | Lennox |
| Type | Limit Switch |
| Rating | L155-30F |