Boîtier avec insert de vanne «3-way» ProKondens ET réf. 9 + 10

Three-way valve body assembly with insert for ProKondens ET boilers. This unit is responsible for switching coolant flows between heating and DHW circuits. The insert ensures tightness and smooth operation, while the body is made of wear-resistant materials. If your boiler has stopped switching modes or leaks appear, replacing this part will solve the problem. The original spare part guarantees compatibility and long service life. Installation does not require special skills, but it is recommended to entrust it to a professional.