![Lennox 18H01 Limit Switch, L140-40F specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-18h01-specs.png?v=1794091575&width=1445)
This Lennox 18H01 limit switch is a genuine Lennox replacement part used to monitor temperature and shut down the furnace if it runs too hot, protecting the heat exchanger and blower from overheating. It is identified as the L140-40F model limit switch. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 18H01 |
|---|---|
| Brand | Lennox |
| Type | Limit Switch |
| Model | L140-40F |