Increase the length of your boiler's flue duct with the Vaillant 1970mm extension, specifically designed for 100mm diameter flues. This extension ensures proper ventilation and safety for your heating system, making it a necessary addition for your Vaillan
Increase the length of your boiler’s flue duct with the Vaillant 1970mm extension, specifically designed for 100mm diameter flues. This extension ensures proper ventilation and safety for your heating system, making it a necessary addition for your Vaillant boiler installation.
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