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Cristina

I have Glow Worm Flexicom which seems to have a few issues. It keeps losing water pressure over few weeks, and until a few days ago was making a loud bang noise when switching hot water/ central heating. I have one of those water tank systems. I called a gas engineer who has a quick look and asked me to see if I could identify a leak from the overflow pipe, and ask the downstairs neighbour about visible leaks and then call him back. I cannot see any leaks but the overflow is on an outdoor wall and I can barely see it, let alone put a plastic bag like it is suggested in some posts. Just after his visit the noise stopped and now I when I switch on the hot water the central heating comes on as well. Texted the guy but he never got back to me. I contacted another gas engineer who suggested I would be better off calling Glow Worm as they do a fixed price, and suggested that I may need to replace the diverter valve and probably the expansion vessel too (it was just a phone conversation). I am quite worried about the cost of all this, I thought an independent contractor may have been better, as Glow Worm do not include the expansion vessel in the fixed price. I am not sure whether to call a third engineer to at least have a proper diagnosis or just go with the Glow worm call...
Cristina
 
Ask them to check the expansion tank pressure and walk around and check for leaks on the radiators.

Get them to check PRV and operation of the motorised valves.
 
Final update, an engineer came around this morning, worked on the system for a couple of hours, now everything works perfectly, and the 'damage' was very reasonable. Or at least, I ma happy...
Thank you all or the advice
 
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Final update, an engineer came around this morning, worked on the system for a couple of hours, now everything works perfectly, and the 'damage' was very reasonable. Or at least, I ma happy...
Thank you all or the advice

Thanks For the Update, its good to know how these things turn out, do you know what he fixed/changed did?
 

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