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Ask Andrew Smith Your Own Question
Andrew Smith
Andrew Smith, Plumber
Category: Plumbing
Satisfied Customers: 3668
Experience:  City and Guilds qualified plumber
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After being away at the weekend i came home to find my

Customer Question

After being away at the weekend i came home to find my boiler not working. It is a glow worm ultracom2 sxi which was showing error code f.76 , i noticed the pressure was low 0.3 so i took it up to 1.3 but it still won't start up.
Submitted: 1 month ago.
Category: Plumbing
Expert:  Andrew Smith replied 1 month ago.
Have you reset the boiler since refilling the system?
Customer: replied 1 month ago.
I've pushed the reset a few times.
Customer: replied 1 month ago.
when i push reset it goes back to the F76 error code on the display.
Expert:  Andrew Smith replied 1 month ago.
Ok, shame really.
F76 is the code for the heat exchanger thermal fuse.
This will need replacing by an engineer before your boiler will work again.
This is down to the low water level and the boiler boiling the water inside
Customer: replied 1 month ago.
Ok thanks, ***** ***** thermal fuse be replaced or will I need a new Heat exchanger. Could you give me a rough idea what I will have to pay to have it replaced.
Expert:  Andrew Smith replied 30 days ago.
It's usually a new heat exchanger because it's not listed as an available spare.
Try someone local first for a price.