vaso expansion caldera chaffoteaux 4 400w BM830101 PROFILO sldb3220 BM830101 PROFILO Reference: 25100120 Capacity: 5 liters This expansion vessel for Chaffoteaux boilers with a capacity of 5 liters and a 3 8" connection thread is designed to maintain stable pressure in the installation and protect the boiler from possible damage due to excess pressure
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