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Brian, Plumber
Category: UK Plumbing
Satisfied Customers: 848
Experience:  16 yrs. experience as plumber, including full bathroom and kitchen installations.
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Pressure rising on Worcester Greenstar HE Combi Boiler ZWB

Customer Question

Pressure rising on Worcester Greenstar HE Combi Boiler ZWB 7-25
JA: Thanks. Can you give me any more details about your issue?
Customer: Pressure drops slightly when I turn on the hot water tap. As soon as I turn the taps off, the pressure rises again
JA: OK got it. Last thing — UK Appliance Technicians generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 1 year ago.
Category: UK Plumbing
Expert:  Brian replied 1 year ago.

What is the pressure on the boiler please, it sounds like you could have a filling loop slightly open or your expansion vessel has failed.

Customer: replied 1 year ago.
It's ok now thanks. Played safe and got a plumber in.
Expert:  Brian replied 1 year ago.

Ok no problem.