Caleffi AutoFill automatic boiler fill valve maintains proper system pressure in sealed hydronic heating systems. Features factory pre-set 15 psi pressure (adjustable 3–60 psi), integrated 0–60 psi gauge, built-in check valve, strainer, and manual shut-off. Fills automatically to setpoint without manual lever operation. Rated for water and glycol solutions up to 150°F.
Caleffi 553642A Automatic Filling Valve 1/2" NPT
Caleffi
$122.95
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Caleffi
Caleffi 553642A Automatic Filling Valve 1/2" NPT
- SKU:
- 553642A
- Product Type:
- Automatic Boiler Fill Valve
- Subcategory:
- Pressure Reducing Fill Valve
- Application:
- Residential/Commercial
- System Type:
- Boiler, Radiant Heating, Hydronic System
- Installation Type:
- OEM Replacement
- Temperature Range:
- 41°F to 150°F
- Setpoint Range:
- 3–60 psi
- Pressure Rating:
- 230 psi (max inlet)
- Inlet Size:
- 1/2" Male NPT
- Connection Type:
- NPT
- Connection / Joint:
- NPT
- Material:
- Brass
- Control Type:
- Non-Programmable
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