central heating

Hi, I'm having problems understanding the exact configuration of the CH/HW piping in my house. In particular, I have to understand where and how to place piping for additional radiators at the upper floor. My configuration is the classical one: loft cistern, indirect cylinder on the upper...

Hello, Recently moved into a new property and getting some hot water issues. First noticed a problem a couple weeks ago when we moved in, the shower would go hot-cold every minute. I could deal with that for now so put up with it because when it was hot it really was hot. Could do the dishes...

I'm in the process of a knock through and also stud wall removal to create an open plan layout in my late 90's house. I've removed most of the stud wall and have got to the point where I need to remove a radiator to allow me to remove the timer frame work. I'm used to working with copper pipe...

Evening all, I've recently cleaned my F&E, microbore central heating system using Sentinel X400 and this led to the cold rads heating up again, so a success in that respect. Now, after a week of the X400 circulating, today I cleaned the F&E tank again (much cleaner water), drained down the...

Hi guys/gals I really need your help. It is now over 3 weeks I don't have hot water and I am having to boil water with the kettle for shower :-( Everything was working fine and all of a sadden everything shutdown and I reset the boiler now the boiler fires-up and I do get central heating but...

I have a Potterton Suprima which is 21 years old, there's a tank upstairs (in the airing cupboard) which contains an integrated cold feed tank - no tank in loft. For this 21 years I've always had the hot water and central heating to on (no schedule - as there is always someone in the house, the...

I have installed Hive to our Y plan central heating system but the HW, pump and boiler seems to be on permanently. I have attached a picture of the wiring centre. Could anyone help me trouble shoot please? We have a cold header in the attic. I have not used a HW off in my wiring, not sure if...

Hi all! Please excuse the bad drawing, but I've tried to illustrate the various pipes on 3 walls in our dining room which used to be the old kitchen in a house we've bought. The walls were all previously plaster board which we've ripped out. There are two radiators. The left one has pipes coming...

Hello, Recently I noticed that my 2 living room rads were not heating up. All other rads in the house were. It was suggested to me by a plumber to turn the valves on all the working rads off only leaving the two living room rads on and they should heat up. Wait 20-30mins and then turn all rads...

The boiler is working fine but is an old conventional boiler, and what is quite annoying is that the central heating system has no 'y valve' so you can't have hot water without turning on the heating (in the summer we put the thermostat on minimum but it still comes on). I had some plumbing work...

Help please We had a new Worcester Bosch Greenstar 30cdi system boiler fitted just over 2 years ago by a large power provider. Came with a free two year maintenance contract which ended two weeks ago. Last service was carried out under that contract in February. Over the last few weeks since...

Hi all, My boiler was flashing with an E9 error this morning as is reading 0 bar pressure; but when i topped up using the filling loop the needle didn't move. Could hear water going in, then can hear not much more really able to go in, so have let a bit out of the boiler so not too high (and...

Hi all, This morning my boiler locked out with F22 (dry) and keeps locking out when reset for both HW and CH. I suspect it may be the pump as I cant hear it running anymore when the programmer switches on. The boiler still fires up but faults on F22. How can I check the pump and might it be...

Hi I've bought a Smiths HL1000 fan assisted radiator to fit into the kitchen. The combi boiler is also in the kitchen and the 22mm flow and return pipes are right there to tee off. The radiator has 15mm stub pipes in & out. It's like a plinth heater but goes up high on the wall. There's two...

I have air stuck in my hot water system which is characterised by a loud humming/vibrating noise coming from my hot water pump every 10-15 mins for about 3-4 mins at a time (presumeably as the pocket of air cycles around the system and hits the pump). I have tried bleeding all the radiators in...

Hi all, first post here and have tried to find some answers for my question but no joy. Moved into a house and needs some upgrading, including the boiler/radiators. Ideally I wanted a combi installed in the toilet downstairs to free space in the bathroom (our current system takes up about 1m sq...

Hello, Require some help and advice. Whenever I turn on my boiler for hot water or Central heating, the boiler turns off for a few minutes and then on again. This cycle repeats itself every 5minutes. I recently had my systems flushed with many of the radiators installed with TRVs as well as an...

Hi, I’ve recently moved into a new build house which has dual zone heating. The problem is the upstairs thermostat controls both the upstairs and downstairs radiators and the downstairs thermostat doesn’t seem to control anything! I’m wondering if something has been wired up wrong... the system...

Hi, I recently re-terminated my S-Plan central heating wiring into a new junction box to tidy things up and also to try to understand how it was wired originally before I moved into the property. I have created a diagram of the current wiring and even though the central heating is working...

After switching my consumer unit off temporarily to check a switch, my boiler (oil WB Greenstar Heatslave ii combi, only a few months old) won't come back on. The LCD is blank and the wireless thermostat had a Fault A21 which just means it can't find its friend. Any ideas? I've checked the FCU...