![Lochinvar WTR2041K Flow Switch — New England Supply House spec card [NESH-SPEC-CARD-V2]](http://newenglandsupplyhouse.com/cdn/shop/files/spec-9294884765918.png?v=1786102479&width=1445)
The Lochinvar WTR2041K flow switch is a reliable replacement flow sensing component (model IFSWSBL-S3, part 100232493) that verifies adequate water flow through the appliance. It replaces the earlier WTR2041 and provides dependable flow proving for Lochinvar boilers and water heaters.
Specifications
| Type | Flow Switch |
|---|---|
| Model | IFSWSBL-S3 |
| Part Number | 100232493 |
| Replaces | WTR2041 |