![Trane SWT3971 Pressure Switch, SPST specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-swt3971-specs.png?v=1794015367&width=1445)
This Trane SWT3971 pressure switch monitors system pressure and signals the control board when a set threshold is reached, helping protect Trane HVAC equipment from abnormal operating conditions. It uses a single-pole, single-throw (SPST) switch configuration. This is a genuine Trane replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | SWT3971 |
|---|---|
| Brand | Trane |
| Type | Pressure Switch |
| Switch Type | SPST |