Caleffi 573009A combines a backflow preventer and automatic fill valve for hydronic heating systems. Features 1/2" sweat connection and 1/2" NPT female inlet. Maintains proper water level via float mechanism, prevents reverse flow contamination, and protects against low-water damage in boilers and radiant heating systems.
Caleffi 573009A 1/2" Sweat Backflow Preventer Autofill Valve
Caleffi
$172.95
In Stock — 10+ available
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Caleffi
Caleffi 573009A 1/2" Sweat Backflow Preventer Autofill Valve
- SKU:
- 573009A
- Product Type:
- Backflow Preventer with AutoFill Valve
- Subcategory:
- Hydronic System Fill Valve
- Application:
- Residential/Commercial
- System Type:
- Boiler, Radiant Floor Heating, Hydronic Heating
- Installation Type:
- OEM Replacement
- Inlet Size:
- 1/2" NPT Female
- Connection Type:
- Sweat/Solder, NPT
- Connection / Joint:
- Sweat/Solder, NPT
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