![Lennox 33H78 Limit Switch, 130°F Open — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-33h78-card.png?v=1794089008&width=1946)
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Lennox 33H78 Limit Switch, 130°F Open
Lennox 33H78 Limit Switch, 130°F Open
Regular price
$40.82 USD
Regular price
Sale price
$40.82 USD
Shipping calculated at checkout.
15 in stock
Quantity
- Purchase Orders & Tax-Exempt Welcome Contractors, municipalities, schools and businesses: email a PO, or send your exemption certificate once and tax comes off every order.
SKU:33H78
View full details![Lennox 33H78 Limit Switch, 130°F Open — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-33h78-card.png?v=1794089008&width=1445)
![Lennox 33H78 Limit Switch, 130°F Open specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-33h78-specs.png?v=1794089008&width=1445)
This Lennox 33H78 is a limit switch that opens at 130°F with a 20°F differential, shutting down the burner if the furnace overheats and resetting once temperatures fall back within a safe range. It is a genuine Lennox replacement part.
Confirm this part number against your equipment's parts list before ordering.
Specifications
| Part Number | 33H78 |
|---|---|
| Brand | Lennox |
| Type | Limit Switch |
| Open Temperature | 130°F |
| Differential | 20°F |