![Lennox 52M40 Pressure Switch, SPST specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-52m40-specs.png?v=1794092572&width=1445)
This pressure switch monitors system pressure in compatible HVAC equipment and uses a single-pole, single-throw (SPST) contact configuration.
It is a genuine Lennox replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 52M40 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Switch Type | SPST |