programador caldera viessmann 7820254 Aspas 94032121500 EHBZDM AEG

94032121500 EHBZDM AEG

3TS60105T/01

Includes applicator brush for even product distribution

AL01 ASPES

Chaffoteaux Pigma Green 25 EU

programador caldera viessmann 7820254 Aspas 94032121500 EHBZDM AEGThe Viessmann 7820254 boiler programmer is an electronic component that manages the ignition, shutdown, and operating cycles of gas boilers. It is designed to control the temperature and operating times of the boiler, ensuring efficient and safe operation. This programmer is compatible with Viessmann Vitogas 100 GS1 models and others that use the Honeywell S4564BT system. What problem does this replacement part solve? The boiler does not ignite or