![Lennox 34M73 Pressure Switch, SPST .22 in. WC specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-34m73-specs.png?v=1794088788&width=1445)
This Lennox 34M73 pressure switch is a genuine Lennox replacement part that proves combustion airflow before allowing the furnace to ignite. It is an SPST switch rated at .22 in. WC.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 34M73 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Contacts | SPST |
| Pressure Rating | .22 in. WC |