![Lennox 59W74 Pressure Switch, SPST -0.80 in. WC specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-59w74-specs.png?v=1794088683&width=1445)
This Lennox 59W74 pressure switch is a genuine Lennox replacement part that monitors inducer draft pressure and signals the control board when proper venting airflow is present before allowing ignition. It is a single-pole, single-throw (SPST) switch rated to activate at -0.80 in. WC. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 59W74 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Switch Type | SPST |
| Pressure Rating | -0.80 in. WC |