![Lennox 11U66 Pressure Switch, 0.55 in. WC specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-11u66-specs.png?v=1794088671&width=1445)
This Lennox 11U66 pressure switch is a genuine Lennox replacement part that senses draft or inducer airflow pressure and signals the control board to allow ignition only when proper venting is confirmed. It is rated to activate at 0.55 in. WC. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 11U66 |
|---|---|
| Brand | Lennox |
| Type | Pressure Switch |
| Pressure Rating | 0.55 in. WC |