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Caleffi Back Flow Preventer 573493A / 573503A Buy Page
For Heating Systems, Hydronic Heating Systems and Radiant Heating Applications
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Caleffi Back Flow Preventer - 573493A / 573503A
The Caleffi Backflow Preventer with atmospheric vent is designed to protect drinking water systems from
the return, caused by backsiphonage or backpressure, of contaminated fluids.
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- Dual check continuous pressure backflow preventer with atmospheric vent.
- NPT Female union connections, threaded.
- Maximum working pressure: 175 psi
- Brass body
- Stainless steel filter
- Check valve in PSU
- Diaphragm and seals in EPDM
- Working temperature range: 32˚ - 210˚F
- ASSE 1012 listed and CSA B64.3 certified.
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