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 Rob Your Own Question
Rob
Rob, Home Appliance Technician
Category: Appliance
Satisfied Customers: 420
Experience:  20 yrs. experience with a major worldwide manufacturer.
14831508
Type Your Appliance Question Here...
Rob is online now

My Potterton combi boiler has a knocking sound come on when

Customer Question

My Potterton combi boiler has a knocking sound come on when it's switched on.
I have drained the air out of the system
Anything else I can do to fix it ?
Submitted: 19 days ago.
Category: Appliance
Expert:  Andrew Smith replied 18 days ago.
Can you check if the pump is spinning?
Customer: replied 18 days ago.
Where would that be ?
Expert:  Andrew Smith replied 18 days ago.
Inside the front case on the right hand side. Make sure the auto air vent o the top is open and loose