Watts 174A relief valve for hydronic heating systems. 3/4" NPT connections, 30 PSI setting, rated for 650,000 BTU/hr systems. Direct replacement for discontinued 0274428. Protects boilers and closed-loop systems from overpressure.
Watts 174A-3/4-30 Relief Valve 3/4" 30 PSI
Watts
$195.95
In Stock
- Replaces
- 0274428
- SKU:
- 174A-3/4-30
- Product Type:
- Pressure Relief Valve
- Subcategory:
- Hydronic System Relief
- Application:
- Residential/Commercial
- System Type:
- Boiler, Hydronic Heating, Closed-Loop System
- Installation Type:
- OEM Replacement
- BTU Output:
- 650,000 BTU/hr
- Pressure Rating:
- 30 PSI
- Inlet Size:
- 3/4" NPT
- Connection Type:
- NPT
- Connection / Joint:
- NPT