![Lennox 99M99 Pressure Switch, 590/418 PSI specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-99m99-specs.png?v=1794095367&width=1445)
This Lennox 99M99 high-pressure switch cuts out at 590 PSI and resets at 418 PSI to protect Lennox HVAC equipment from excessive refrigerant pressure. It is a genuine Lennox replacement part.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 99M99 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Cut-Out | 590 PSI |
| Reset | 418 PSI |