Description
Caleffi AutoFill series pressure reducing boiler fill valve with 1/2″ Male NPT Union x 1/2″ Female NPT connections. Commonly used for cold water feed into a heating system. Factory pre-set to 15 psi.
AutoFill valve is packed with features, including a 1/8″ NPT oulet (capped off, for optional pressure gauge), visual pressure setting indicator (adjustable from the top with a standard flat head screwdriver), positive shut-off (round knob at the bottom), built-in & removable fine mesh screen/strainer, anti-scale internal components (prevents scale build-up), replaceable cartridge design, built-in check valve and many others.
Unlike with other boiler fill valves, where it is necessary to hold the fill lever open and wait until the system fills, Caleffi AutoFill feature automatically fills the system to the pre-set pressure.
Made in Italy.
Technical Specifications:
- Connections: 1/2″ Male NPT Inlet x 1/2″ Female NPT Outlet
- Fill Rate: up to 5.5 GPM
- Max Inlet (upsteam) Pressure: 230 psi
- Temperature Range: 41 – 150°F
- Pressure Setting Range: 3 – 60 psi
- Factory Setting: 15 psi (± 2 psi)
- Suitable Fluids: Water, Glycol Solution
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