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VAILLANT ecoTEC PRO 24 & 28 Boiler O'ring (pack of 10) 178969
🛠️ Compatible with selected Main models including:✔️ Combi Eco 25✔️ Combi Eco 30✔️ Eco Elite 25✔️ Eco Elite 30
Sustain 830 VUW 306/6-3 (H-GB) - 47-044-72
ecoTEC PRO VUW 266/5-3 R4
making sure that the boiler ceases to funct
Ideal 170815 Honeywell PCB Ignition valves VAILLANT ecoTEC PRO 24 &Product Information: The printed circuit board or ( pcb ) is the boilers central control. It oversees every process that occurs via the switches, sensors and thermostats. It also enforces the safety parameters, making sure that the boiler ceases to function if any of the internal readings point to a fault in the operation. The printed circuit board is effectively the brain of your boiler, It is programmed to ensure everything is running as it should.
