How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Andrew Smith Your Own Question
Andrew Smith
Andrew Smith, Engineer
Category: UK Plumbing
Satisfied Customers: 3568
Experience:  Domestic Gas, Commercial Gas, LPG, Unvented Hot Water, Part P Electrical, Commercial Catering
Type Your UK Plumbing Question Here...
Andrew Smith is online now
A new question is answered every 9 seconds

I have a keston 28s. Overnight the pressure dropped so I

Customer Question

Hi i have a keston 28s. Overnight the pressure dropped so I have topped that up to 1.7bar. The boiler had cut out and now won't 're-fire despite call for heat. The flame symbol is just flashing, pump and fan symbols are on and seem to be working. Any help appreciated, am on the immersion at the moment
Submitted: 3 months ago.
Category: UK Plumbing
Expert:  Andrew Smith replied 3 months ago.

Hi - is there a reset position on the main boiler control knob?

Expert:  Andrew Smith replied 3 months ago.

Try turning the knob to the position for a couple of seconds, then return back to the hot water position.

Everything should fire up now.

Related UK Plumbing Questions