Discuss Glow.worm boiler explosion. in the Central Heating Forum area at PlumbersForums.net

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My LPG Glow.worm Ultracom 30 sxi boiler has exploded in some way. The front has blown open and the casing has buckled. (I was on holiday at the time. Thermostat left set at 16deg.) Annual Service four weeks ago. Boiler and heating still working! Any suggestions on cause?
 

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Turn it off and leave it off also time for a new boiler sorry to say
 
Thanks. Guessed that would be the case. Just wondered what could have happened especially as advised by engineer at service it was in excellent nick!

Have they every cleaned inside the boiler eg stripped it down ?
 
I’m guessing it didn’t light first time and when it fired the second the extra gas made it go bang maybe
 
I hope they replaced the burner door seal and nyloc nuts when they cleaned the hex & burner as required, & LDF the GV inlet. This as previously mentioned needs turning off, isolating and reporting to gas safe & riddor for investigation. DO NOT USE!
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I’m guessing it didn’t light first time and when it fired the second the extra gas made it go bang maybe

Still it should not go bang even if it does not light first time. Should just go to lock out after 5 failed attempts should it not?
 

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