vaillant ecotec pro 28 buzzing noise issue

Save_me_ a_few_Bob · 22 Nov 2020

Hi, it sounds like a bee, happens intermittently with rads on only, goes off when you open hw tap

Video - https://drive.google.com/file/d/1eGBfQHfTCeM7s8z51rV2yhXCyRC2AppK/view?usp=sharing

Thanks

Deleted member 267285 · 23 Nov 2020

Sorry, you’ll have to engage in a gas safe registered engineer for that.