Description
Keeps system pressure at the set value automatically, preventing low-pressure lockouts. Compact design with pressure gauge and check valve.
Features
- Automatic system filling and pressure top-up
- Integrated manual tap, filter and check valve
- Adjustable filling pressure
- Compact design
- For closed circuit heating systems
Request a Quote
Get a free site survey and quotation for the Caleffi automatic filling valve (553 series) from the Projenza engineering team. With accurate capacity calculation, professional installation and periodic maintenance: (0501) 557 80 89 · bilgi@projenza.com
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