![Weil Mclain 633-500-020 Aquastat, Residential specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-633500020-specs.png?v=1794033596&width=1445)
This Weil Mclain 633-500-020 is a residential aquastat that senses boiler water temperature and controls burner operation accordingly. It is a genuine Weil Mclain replacement part.
Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | 633-500-020 |
|---|---|
| Brand | Weil Mclain |
| Type | Aquastat |
| Application | Residential |