How to test 3 wire flow sensors. Vaillant boiler no hot water. Combination Boiler. My first video.

How to test 3 wire flow sensors on boilers etc
Shown on a Vaillant Turbomax Plus. No hot water, check out how to test this stuff.

To support this content and get access to the PDF files to go with this training click here: https://www.patreon.com/heatinggeeks

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Видео How to test 3 wire flow sensors. Vaillant boiler no hot water. Combination Boiler. My first video. канала HeatingGeek