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Lennox 18K43 Limit Switch, 270-300°F Auto Reset
Lennox 18K43 Limit Switch, 270-300°F Auto Reset
Regular price
$34.58 USD
Regular price
Sale price
$34.58 USD
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Low stock: 6 left
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SKU:18K43
View full details![Lennox 18K43 Limit Switch, 270-300°F Auto Reset — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-18k43-card.png?v=1794089845&width=1445)
![Lennox 18K43 Limit Switch, 270-300°F Auto Reset specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-18k43-specs.png?v=1794089845&width=1445)
This Lennox 18K43 is a genuine Lennox auto-reset limit switch for gas furnaces, rated to open between 270°F and 300°F with a 7 in. insertion length. It senses plenum temperature and automatically shuts down the burner if the furnace overheats, then resets once temperatures return to normal.
Confirm this part number against your equipment's parts list before ordering.
Specifications
| Part Number | 18K43 |
|---|---|
| Brand | Lennox |
| Type | Limit Switch |
| Temperature Range | 270-300°F |
| Reset Type | Auto |
| Insertion Length | 7 in. |