![Lennox 15W56 Pressure Switch, 0.43 in. WC SPST specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-15w56-specs.png?v=1794089411&width=1445)
This Lennox 15W56 is an SPST pressure switch rated 0.43 in. water column that monitors inducer draft pressure in gas furnace equipment, closing its contact to confirm proper airflow before allowing ignition.
Confirm this part number against your equipment's parts list before ordering.
Specifications
| Part Number | 15W56 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Switch Type | SPST |
| Pressure Rating | 0.43 in. WC |