Glowworm Fault Codes: Common Causes & How to Fix Them
If your boiler has stopped working and is displaying one of the Glowworm fault...
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Fantastic service. My old Worcester 35cdi locked out due to ignition fault. The heating engineer correctly diagnosed a PCB fault but said as the boiler was so old and obsolete no new parts were available. As I was local I took the pcb to them, while I waited they tested it..
Ordered a replacement heating pump for next day delivery. Made the purchase well before cut off time. Sadly they did not despatch it when they should have done. That has left me with no hot water for an extra day. Annoyed because they had plenty of time to do...
Great customer service, super fast delivery! Cannot recommend them highly enough. They checked I was ordering the right part, a pcb board for my boiler. Arrived next day and now have heating and hot water. Will definitely use again!
People were very helpful identifying which Vaillant PCB I needed (so good communications). PCB arrived as arranged. I fitted the PCB and it all works as it should.I guess it would be fair to say that no one mentioned a need to reset the DSN - so, on switch-on,
I needed a circulation pump very urgently but no local suppliers had it in stock and I mis-read Newcastle Heating and Plumbing's delivery cut-off time without realising that until the next day after lunch. The company's very helpful cancelled delivery upon my very late request...
Ordered a refurbished pcb for an old alpha cb28x boiler to tie it over winter months, arrived within 24hours (paid for next day order before 1pm) was on time via DX express couriers, well packaged, worked as expected, will use again in the future. Thanks guys n gals
I made an incorrect order, totally my fault. They where quick to cancel it and give me a refund without any hassle when I got In touch with them about it. They seem a genuine trustworthy company to deal with
What a service just first class from start to finish. Called at three in the afternoon to ask for part for a specific boiler, got Dev who thoroughly knew his stuff, immediately he asked me for the product type seven digit number, to ensure …
Incredible service, I was looking for an ideal WC Coupler, I could not find it anywhere at the start of the bank holiday weekend which would leave us without a working toilet. NHP were incredible, they cut a standard coupler to size..
The engineers are top class and always go the extra mile when diagnosing issues. They helped me to identify the part and shipped it same day. I'd highly recommend this company for boiler parts. Saved the day many times for me.
Unbelievable really. It's rare to get service like this nowadays. My boiler broke, it was the control PCB. I found this company through eBay, they had my PCB for sale/repair and they were first out of a few to answer my question. I chose the repair option, and posted it off to them. I was given a WhatsApp contact to keep in touch. But I didn't really use it other than to report the symptoms. Evri messaged me on the Thursday at midday to say it had been delivered at their premises. Then I received a parcel at 11am the next day. I assumed it was a replacement due to the speed I received it, but to my surprise it was my original PCB. I had taken pictures before sending it, and it still had a signature on the back of it from a previous Engineer fix. I thought this won't work, that was way too quick. But to my delight, it worked perfectly, boiler now working again nicely. I could see when comparing to old photos that things like capacitors and relays had been replaced as they are now different colours and marked. But you would never guess from the soldering, it was so neat like it just came out the factory. What a great Electronic Engineer, they obviously take a lot of pride in their work. Anyway, a long review! But don't hesitate, use them!
This company is absolutely Outstanding! Seriously, I am incredibly grateful with their understanding and fast delivery service! They immediately reply and are extremely knowledgeable about what I am asking for. A friendly and genuine service! You won't be disappointed! I don't use anyone else!! 😁👍🙏♥️🔧
Excellent service! Ordered on Friday @ 14.00 & delivered to the north of Scotland on Saturday by 14.30. No delay from storm Amy!
These guys were very quick to inform me which part I needed for my boiler. They were even quicker at dispatching the part after order it came the next day. Now fitted and working brilliantly, thank you so much
Best company iv'e dealt with for years Ordered a Vaillant Diverter Valve on Thursday 16.10.2025 at 15:09 it was delivered the next day at 09:15 18 hours later fantastic service, when fitting the next week lost 2 screws behind the pump tried loads of places no one holds them, contacted them and they sent them the next day FOC i cannot fault this company it gives you top service, not had a service like this for years
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