Get a Heating Engineer in Stoke-on-trent who you can trust. Ultra Gas provide friendly and reliable heating services to the Stoke-on-trent area, covering a 20 miles radius. No obligation quotes, get in touch!
"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 ?"