Caleffi AutoFill pre-adjustable automatic filling valve for sealed hydronic heating systems. Maintains system pressure at a preset value (3–60 psi, factory set to 15 psi) and automatically fills with water as needed. Includes integral shut-off valve, check valve, inlet filter, and visual pressure indicator. 1/2" NPT male inlet × 1/2" NPT female outlet. Brass body, rated to 230 psi and 150°F. Fills 50% faster than conventional boiler feed valves.
Caleffi 553542A AutoFill Boiler Feed Valve 1/2" NPT
Caleffi
$102.95
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Caleffi
Caleffi 553542A AutoFill Boiler Feed Valve 1/2" NPT
- SKU:
- 553542A
- Product Type:
- Boiler Feed Valve
- Subcategory:
- Automatic Filling Valve
- Application:
- Residential/Commercial
- System Type:
- Boiler, Hydronic Heating System
- Installation Type:
- OEM Replacement
- Temperature Range:
- 32°F to 150°F
- Setpoint Range:
- 3–60 psi
- Pressure Rating:
- 230 psi
- Inlet Size:
- 1/2" NPT male
- Connection Type:
- NPT
- Connection / Joint:
- NPT
- Material:
- Brass
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