![Lennox 38M77 Pressure Switch, High Pressure specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-38m77-specs.png?v=1794092685&width=1445)
This Lennox 38M77 high pressure switch is a genuine Lennox replacement part that monitors refrigerant pressure and protects the compressor from damage caused by excessive head pressure. It operates within a 475-640 PSI range. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 38M77 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Switch Type | High Pressure |
| Pressure Range | 475-640 PSI |