![Lennox 78H74 Limit Switch, L185F — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-78h74-card.png?v=1794090216&width=1946)
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Lennox 78H74 Limit Switch, L185F
Lennox 78H74 Limit Switch, L185F
Regular price
$68.07 USD
Regular price
Sale price
$68.07 USD
Shipping calculated at checkout.
Low stock: 4 left
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SKU:78H74
View full details![Lennox 78H74 Limit Switch, L185F — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-78h74-card.png?v=1794090216&width=1445)
![Lennox 78H74 Limit Switch, L185F specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-78h74-specs.png?v=1794090217&width=1445)
The Lennox 78H74 is an L185F limit switch used to monitor temperature and shut down the burner if compatible Lennox HVAC equipment overheats. It is a genuine Lennox replacement part.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 78H74 |
|---|---|
| Brand | Lennox |
| Type | Limit Switch |
| Model | L185F |