Tuyau de dérivation complet Citadine De Dietrich 300011474

This complete by-pass tube for Citadine boilers helps regulate water flow to protect the heat exchanger from thermal shock. It allows a small amount of water to circulate even when the heating demand is low, preventing damage and extending equipment life. If your boiler shows signs of overheating or short cycling, this tube might be faulty. A valuable addition to your boiler spare parts inventory, it supports reliable operation and efficient heating.