central heating

Hello guys, Recently bought a new property, allegedly the system has been serviced regulary, performance states otherwise I have a central heating system running an ideal combi boiler. There are 2 cold rads that don't ever get properly hot. that I know have sludge in them as when you bleed...

So I noticed today that our kitchen floor (concrete slab) was warm underfoot despite the heating not having been on. I checked the boiler (Ideal Combi logic 30) and it was in heat mode with the pilot light on but the radiators were stone cold. I’ve tried resetting it a few times but still it...

Dear All, Please kindly advise, i don't know what else to do! Had new boiler Vaillant 424 heat only open vent boiler installed with new flue and filter, new pump, plus new Hive. Did full power flush of all 5 radiators before the installation. It has been 10days and boiler stil not working...

Hi, had a job where living room rad not getting hot. Flow pipe red hot return cold no heat in rad. Tried shutting all other rads off to get heat still the same and rad starts to get very little heat but still not returning. Replaced rad and valves still the same issue. Took off rad valve and...

Hi There is a small cylinder/vessel on the return central heating pipe. Does anyone know what it does? Regards, AN

Hi All, I live in a coach house property, with a split control central heating system. One thermostat controls the single downstairs radiator by the front door, as well as the 3 radiators in the open kitchen / living room above. A second thermostat in the main bedroom, controls the radiator in...

I want to replace my current central heating controller with a Drayton Wise unit. Unfortunately the Wise unit is larger than the current one and the Wise won't fit in the space provided. So I want to move the backplate (which is a standard one) up the wall. The 4-core connection cable comes out...

Can anyone help me identify this part? Believe it's 1" BSP to 1/2" BSP, and about 38mm in length. 12mm hex in the middle. Attaches the white central block to the chrome piping frame on a traditional style towel radiator, like this one -...

Started the bathroom renovation today, ripped everything out and back to brick. All pipe worked capped off. Radiator still in place but switched off. Toilet still in place. Afterwards, I noticed that when using the cold water tap in the kitchen, it would switch OFF the central heating when in...

Hi all, looking for some advice. Worcester Combi Boiler high pressure issue. I recently had 2x Automatic Air Vents replaced (Within 2 weeks) This morning I woke up to the sound of the boiler going as normal, but I could also hear a slightly high pitched sound to go with it. I went down...

How easy would it be to change over from microbore to 15mm? The pipes going to my radiators are microbore and I would rather they were 15mm, I feel microbore is too small.

Hi, I’d like some clarity please on building regulation requirements in terms of insulation. For context, I live in a Victorian terrace with suspended Victorian floorboards (void under the floor for airflow). Recently we had the following work done on our downstairs living room: including...

Hello all. Thanks for reading. We've had a problem with our central heating since Friday, where we've had to turn the boiler and water to the house off. We had a plumber come round, but he was only instructed by the insurance to fix our boiler, which isn't broken and he wasn't allowed to...

Do central heating pumps lose their strength over several years and is it worth taking it apart and servicing it? Are the two seals either end 1 1/2 inch or 1 1/3 inch? Also what central heating pump would I need to replace mine (photo) if I needed a new one?

Hi, I’ve got an Ideal boiler for 3 years now with 8 rads, and looking to clean the system. however, with a fernox tf1 omega filter installed, I’m wondering what product others would recommend to use that is compatible to use through the TF1. Currently looking at the Sentinal x400 rapid dose...

Can anyone help, I have radiator downstairs and upstairs with two in the living room. All are working except for one of them in the living room. The pipe is hot on one side but cold on the other. The thermostat rad valve is relatively new and the pin is free and the lockshield is fully open...

Hi, I have a unvented cylinder system S plan with vaillant ecotec boiler. I am having some central heating issues and an engineer recommended adding x400 in to the system and mains flushing after 3 weeks. I have a few questions and was hoping someone could help please. 1. When mains flushing I...

We have had an F23 error code showing on our boiler for a little while and had to restart our boiler every so often to clear it. We have been waiting for British Gas to come fix, as they said a Powerflush was required. However, at the weekend, the heating cut out downstairs, then later the...

Hi there Thanks in advance for people’s help - it’s much appreciated. Had a small accident today draining the central heating at my new house, which I recently bought for my wife and 1 month old baby. It has a combi boiler. If someone could help me understand my idiocy that’d be grand. So...

Hi there, after a bit of honest advice if i could. Have an open vented CH system with 11 rads on it. I have been getting cold spots to bottom area of 3 rads. Had a mag filter fitted & have been running x2 bottles of x400 running in the system but it doesnt seem to be helping. What I find...