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OK, I will separately try pump on 3 and opening the cylinder return gate valve a bit - anticlockwise I presume.

OK will try that, presumably I just need to make sure it doesn't cause venting into the HW feed tank in the loft?

There is a gate valve on the lower pipe that comes out from the cylinder, presumably the return from the heat exchange loop (the top pipe goes in about half way up and has a bleed valve on it also).

Sorry don't know, what would a balancing valve look like and where would it be positioned?

Hi, Hoping someone can help. Have recently moved into new house with a glowworm Ultracom 18Hxi boiler/ Issue I have is the hot water is not getting to temperature of 60C set on cylinder stat - the cylinder stat is new, I measured the tank temperature with a temp probe on my multimeter...

OK, I thought that if the bell box detected that hold off was still present it would just tell the control panel via tamper, then the control panel depending on mode would decide whether to then invoke the strobe/siren.

Hi, I have a Ventcroft Compact Classic bell with a CK 700L control panel. If I remove the screw on the bell box which then activates the tamper microswitch the bell goes off and continues to ring, regardless of whether the panel is either unset or in engineering mode, is that correct and...

I haven't lifted the cover to check how many circuits there are and don't want to remove power at the moment, unless its safe to remove cover and leave main switch on? Could you confirm once complete I should get a electrical install certificate straight away from the electrician and a...

OK, Did not realise you can get 6 and 8 way dual RCD, just googling they mostly seem to be 10 way and 350mm+ wide and only have 290mm where existing unit is.

Hello, Just moved into a property and looking at getting the old style consumer unit replaced by a qualified electrician, just want to check a few things: 1. Does a new CU have to be dual RCD? 2. Once complete I should get a electrical install certificate straight away from the...

Thanks for your comprehensive reply. I'm mounting an LCD on the wall in a bedroom so will be fixing a switched socket near to the ceiling and taking this into the loft to be powered from my new circuit up there, what would be the correct way of connecting this into the circuit? ie. how do I...

Thanks. When you say tick for the lights, I presume that means I CANNOT spur from one of the new loft sockets? EDIT - Got your response, so I can do this, OK. Good point, it may just be easier then to place a socket near to the loft hatch and put in a plug with a 5A fuse going to the...

Hi, I want to provide power in my loft to power a PC server, ethernet switch and additionally run power down to a socket I will mount high on the bedroom wall for a TV. I've taken a spur from a socket on the ring main, attached this to a switched FCU next to the socket and then taken a...

Ok, cheers.

Wow, thanks for the quick replies chaps! I'll try and find somewhere local selling a DP pullcord switch... Thing is, why is the extractor fan switched like this but presumably the light switch just uses a single pole one like I purchased?

Hi, The pullcord switch for our bathroom extractor fan has broken and needs replacing. The switch directly controls the fan turning it on and off, it has no timer. I bought a new 2 way 6A pullcord switch thinking this would be OK, but on looking at the existing switch it has black+red...