If you are looking for a Stoke heating engineer and you need something replaced, fitted, or fixed, contact ST1 Gas & Plumbing today. We are competitively priced and recommended by Stoke customers for all heating work.
"I've got the Vaillant ecoTEC pro28, last week was serviced, now I have F75 error and the diverter valve is leaking.
How much for work and how much for a new diverter valve ?"