![York S1-031-03498-001 Control Board, Demand Defrost specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-s103103498001-specs.png?v=1793979378&width=1445)
This is a genuine York S1-031-03498-001 demand defrost control board that monitors operating conditions on heat pump equipment and initiates the defrost cycle as needed to clear frost buildup from the outdoor coil. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | S1-031-03498-001 |
|---|---|
| Brand | York |
| Type | Control Board |
| Control Function | Demand Defrost |