vaso expansion caldera chaffoteaux 3 bois This electronic board is the

This electronic board is the main control module for Vaillant boilers

94971248002 FYB451N

LC97GB532B

SF54460/01 BSH

Uniform finish for working with pasta

vaso expansion caldera chaffoteaux 3 bois This electronic board is theThe expansion vessel is an essential component in boilers that allows absorption of water volume variations when heated, maintaining stable pressure in the closed circuit. This expansion vessel for Chaffoteaux boilers, with a capacity of 7. 5 liters and a 3 8" connection thread, is designed to prevent overpressure that can damage the boiler or heating system. What problem does this replacement solve? Excessive pressure in the boiler due to lack of