![Watts 0121400 Relief Valve, 1/2 in. 45/100 PSI specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-0121400-specs.png?v=1793978945&width=1445)
This is a 1/2 in. relief valve (BP30B) rated for 45/100 PSI. It releases pressure from a boiler or hydronic system when it exceeds the rated setting, protecting the equipment from overpressure.
Confirm this part number matches your equipment's parts list before ordering.
Specifications
| Part Number | 0121400 |
|---|---|
| Brand | Watts |
| Type | Relief Valve |
| Pipe Size | 1/2 in. |
| Pressure Setting | 45/100 PSI |
| Model | BP30B |