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The reset button was indeed popped out! Thank you for possibly saving me a whole load of effort. So next question - what might have caused that to pop out?

Another question regarding the reset button. If the overheat protection has been tripped (but the heater is otherwise fine), what should my multimeter reading be _before_ I press the reset button?

@oldbuffer I did check that the fuse at the consumer unit was fine, that the RCD was not tripped, and that the switch in the cupboard was on. All were fine. The immersion heater has been replaced before. I vaguely remember he got the part from screwfix or toolstation. And it would have been...

I haven't got a spanner to it, because I didn't want to mess around with stuff I didn't know about. By looking at it, I can see that the water is leaking out of the bit where the flexitail goes into the nut, rather than from where the nut screws onto the expansion vessel. Could that be a...

@ianmcd this one I think is a vented system. (you're also helping me on another post which is a totally different property and system). This one's got a cold water tank that's just like a bucket with a loose fitting lid. That cold water tank feeds the hot water tank. I will check though for any...

Nice. Thanks both. I ll get on it.

Sort of. It does have a bracket, but it's easy to slide on and off the screws. Kinda like those brackets on the back of pictures or mirrors, where the screw head goes through a hole and then the bracket slides down slightly so the screw head keeps the mirror on the wall. Such brackets work best...

Hi, I've got a water tank that is meant to heat up overnight with an immersion heater powered by economy 7 electricity. Unfortunately it's stopped heating up. No one's in the property overnight so I can't get a multimeter on the immersion heater to test if it is indeed getting power (although...

Ah! OK. Well at least that's clarified the course of action. Thanks for the quick response. Is there anything I can do to stem the leak in the meantime? E.g. turn the heating off/isolate that tank/etc?

Hi, I need to replace a flexi tail that is going to a Varem Extravarem 25L expansion vessel. It's leaking - not from the thread of the nut, but where the tail goes into the nut. Is this something that I might be able to do as a competent DIY'er, albeit with limited knowledge of heating...

Just to complete the thread... I found that on many of my architraves, I just couldnt' get soudall fixall into the gap. It was feeling like too much of a battle, I wasn't able to get it neat enough, or give me the confidence that it was going to be firm all the way across - particularly for...

Hi everyone. I've taken a short video of one of the worst offenders in case it helps. What's the best way to share that video? If they are just held on with nail gun pins, do they require removal and reattaching, or is there a way that I can fix it properly without taking it off? If I do...

All the architraves around the interior doors on my extension wobble so the paint cracks around the edges where it meets the wall and where it meets the door frame. They are tight to the door frame, but there tends to be a mm or two gap to the plaster. So if I grab them with my fingers across...

Thanks for the reply @foxhole. I can't be sure about the water table, but the parts of the wall I can access feel dry and the neighbours don't have problems (it's a terraced house). Also if I bail out after a heavy days rain, it will then stay dry until the next few days of rain. So while that...

Hi, It looks like the waterproof membrane under my cellar floor has been cut at the level of the tiles around the perimeter of the cellar, allowing water to rise up at the edges of the room and spill onto the tiles. I am hoping that if I could just extend that membrane up a foot or so, then...

OK. Got it now. Thanks. I've got an alarm system that I might be able to use the PIRs to trigger a smart plug. I'll look into that, but it might be that I need some extra kit which will negate any cash savings. But hopefully at least I might be able to eek out some environmental savings. If I...

Thanks both. @stem I was thinking more like having the stat turn the pump off when it reaches an OK temperature - maybe 40 degrees or so. At least the taps will always be reasonably warm, if not quite at the temp of the water inside the cylinder. @ianmcd It's not a mansion but if the...

Hi, I've got a hot water cylinder and a secondary circulation pump to make sure the water is warm at the taps. At the moment it's just on a mechanical timer, meaning that it's pumping way more than it needs to and more heat than necessary is being lost through the pipes. I've been advised to...

I don't think any of my pipes are insulated :(. I told the contractor I'd like the hot pipes insulated throughout the house right at the start of this project, and he rubbished the idea - Grrr. Does that change things? Edit: Currently all the power for the hot water and heating controls/pumps...

Thanks very much for the replies. I wish the plumber had put one of those self-learning grundfoss ones in - they seem pretty clever. But for now I'm looking for an easy to fit solution (something that's cheap to buy and will not involve draining systems or much plumber/electrician labour time)...