![Lennox 36W77 Pressure Switch, 2-Stage — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-36w77-card.png?v=1794089423&width=1946)
![Lennox 36W77 Pressure Switch, 2-Stage specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-36w77-specs.png?v=1794089423&width=1946)
Lennox 36W77 Pressure Switch, 2-Stage
Lennox 36W77 Pressure Switch, 2-Stage
Regular price
$70.04 USD
Regular price
Sale price
$70.04 USD
Shipping calculated at checkout.
Low stock: 7 left
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SKU:36W77
View full details![Lennox 36W77 Pressure Switch, 2-Stage — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-36w77-card.png?v=1794089423&width=1445)
![Lennox 36W77 Pressure Switch, 2-Stage specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-36w77-specs.png?v=1794089423&width=1445)
This Lennox 36W77 is a 2-stage pressure switch that monitors inducer draft pressure in gas furnace equipment, closing its contacts at each stage to confirm proper airflow before allowing ignition to proceed.
Confirm this part number against your equipment's parts list before ordering.
Specifications
| Part Number | 36W77 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Stages | 2-Stage |