Description
It follows the same electrical specifications and mounting footprint
it provides real-time feedback via a high-visibility LED display
the tube is likely compromised and requires immediate replacement
This direct acting gas valve is compatible with natural gas
or pressure termination to prevent cabinet overheating if a sensor fails
Viessmann 7839451 Ionization Electr. 321142-301 It follows the same electricalThe Viessmann 7839451 Ionization Electrode is a critical flame sensing component engineered for precise combustion monitoring in high efficiency condensing boilers. Designed specifically for the Vitodens 200 W (B2HA, B2HB series) and Vitodens 222 F (B2TB series), this electrode facilitates the ionization process required by the burner control unit to verify flame presence and modulate fuel flow. Maintaining a clean and properly gapped ionization rod
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























