![Lennox 18M63 Pressure Switch, 2-Stage — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-18m63-card.png?v=1794090158&width=1946)
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Lennox 18M63 Pressure Switch, 2-Stage
Lennox 18M63 Pressure Switch, 2-Stage
Regular price
$178.99 USD
Regular price
Sale price
$178.99 USD
Shipping calculated at checkout.
Low stock: 4 left
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SKU:18M63
View full details![Lennox 18M63 Pressure Switch, 2-Stage — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-18m63-card.png?v=1794090158&width=1445)
![Lennox 18M63 Pressure Switch, 2-Stage specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-18m63-specs.png?v=1794090159&width=1445)
The Lennox 18M63 is a two-stage pressure switch that monitors draft pressure at 0.20 in. WC and 0.45 in. WC to confirm proper venting before and during burner operation. It is a genuine Lennox replacement part.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 18M63 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Stages | 2 |
| Pressure Range (Low) | 0.20 in. WC |
| Pressure Range (High) | 0.45 in. WC |