3-way valve flange complete De Dietrich 86665532

The 3-way valve flange complete is a key component for directing water flow between heating and domestic hot water circuits. This complete flange assembly includes all necessary parts for a secure and leak-free connection. If your boiler is struggling to switch between modes or experiencing temperature inconsistencies, a faulty 3-way valve may be the issue. Replacing it with this complete unit ensures proper water circulation and system efficiency.