ideal isar he24

My boiler is making a strange noise. Recorded it here I’ve turned the boiler off just to be safe. Does anybody know what’s causing the sound and if it’s safe to power it on

I'm at a bit of a loss here and need some advice. I know they're terrible boilers, it was in when we bought the house and it's been trouble free for 5 years, it's now showing it's age and being a right pain. As I say it's been absolutely fine up until a month ago when it stopped supplying hot...

Hi, I use this forum a lot for advice but never posted. Hopefully somebody can give me some advice on what I may have done wrong. I have an Ideal Isar HE24 boiler. Tonight I replaced a radiator, and I replaced the lockshield valve as it was dripping. To do this I had to turn the water off and...