![Lennox 19L57 Pressure Switch, SPST 0.25 in. WC — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-19l57-card.png?v=1794090182&width=1946)
![Lennox 19L57 Pressure Switch, SPST 0.25 in. WC specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-19l57-specs.png?v=1794090183&width=1946)
Lennox 19L57 Pressure Switch, SPST 0.25 in. WC
Lennox 19L57 Pressure Switch, SPST 0.25 in. WC
Regular price
$123.77 USD
Regular price
Sale price
$123.77 USD
Shipping calculated at checkout.
Low stock: 3 left
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:19L57
View full details![Lennox 19L57 Pressure Switch, SPST 0.25 in. WC — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-19l57-card.png?v=1794090182&width=1445)
![Lennox 19L57 Pressure Switch, SPST 0.25 in. WC specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-19l57-specs.png?v=1794090183&width=1445)
The Lennox 19L57 is an SPST pressure switch that activates at 0.25 in. WC to confirm proper draft or airflow before allowing burner operation. It is a genuine Lennox replacement part.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 19L57 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Switch Type | SPST |
| Pressure | 0.25 in. WC |