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31800311 HBWM 816S-80
especialmente en modelos que utilizan obturadores de 3 vías con código BI1351109
WTG8640SEG/02 BOSCH
Equivalent codes: Fagor L94A013A6
grupo hidraulico chaffoteaux 61312663 aluminio 31800311 HBWM 816S-80The Chaffoteaux hydraulic group 61312663 is a fundamental component for the proper operation of boilers from the Chaffoteaux brand. This unit integrates the three way valve and the necessary hydraulic components to direct the water flow between the heating circuit and the sanitary circuit. Its main function is to ensure the efficient and safe switch between hot water for heating and domestic hot water, maintaining the appropriate pressure and flow
