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When I say the ch mostly works when hw+ch are both on, I mean that just 3 of the rads near the pump come on. The downstairs rads remain cold, previously they used to get hot. I have tried the test that you suggested, I turned down the stat on the cylinder but the motor on valve did not move to ch.

It's the one on the left. A Honeywell .And yes ch does 'mostly'hot when the HW is on as well, but as we only used to have the hw on for 2 hours a day . Ch used to work better when hw was not on. To recap... Every time i swith heating timer on and I pull it towards me, it just moves back. I...

Thanks for the reply. Is there a test i can perform see if it is the motor and if it is, is that easy to fix/replace?

hello, id like to know how to rectify a problem with my MV. My timer appears to be functioning ok as it switches on the HW as programmed, However for CH the boiler is not firing up. Originally i though thus maybe a faulty room stat, however after replacing it the problem remains. So I set...

Hi, out of interest , what did you use for the base of your fire, I sw the question below that you posted. We have an open fire which the previous home owner had tiled the base with terracotta tiles. These have cracked from having fires and we are wanting to replace them with flagstones. What...

turned off the 4 working rads, and turned on the 5 offending rads which i have sense cleaned out properly with a pressure washer. The cleaned out rads are still not getting hot, neither are the pipes. 1. Next thing to try is my dodgy sounding pump, ill take the housing off this weekend and...

I always add inhibitor to the system whener i do a drain down. I normally put some straight into the rad seeing as how the water is not getting pumped to te rads anyway.

But if the water is flowing out of the pipes (valves) once the rads removed, does this not indicate that the pipes are not blocked? I will look into changing that once ive flushed the rads, Im afraid of getting crap in the pump though.

Hello, winter is coming, central heating still not working and so its time to my thread that I started last year. //www.diynot.com/forums/viewtopic.php?t=154465 Still only 4 of the 9 rads get hot/warm. So the problem is the same as I left it, however I am now doing some decorating and...

Hi, i have been trying to find a reputable basement conversion company in the suffolk area or east anglia. Can anybody help?

Hello, i have just been reading your post regarding condenstaion in a cellar conversion. (I am getting quotes for a similar job) Would you mind telling me which company you used to do the work Is the condensation problem now resolved? Rick

I bled the radiators when the pump was not running , but no air came out of any of them. I also emptied a bucket full of water from the FE tank and bent the float down so water level is now about 1 or 2 inches above the feed.

ok understood, and in the FE tank I will bend ball cock arm down to restrict water level to 1 inch above the feed no the pump was not running when i bled it, i simply unscrewed the silver screw until water dribbled out, i collected about 20 cl before tightening up again. Like I say it was...

As requested here are the photos of my pipework, pump etc. D_Hailsham, you said turn the 3 way valve to manual and bleed pump when water is cold. I did this and the pump sounded fine when cold water was running around, but once the water got hot it started making the clicking noise again so...

Follow up since the plumber came. He serviced my 20 year old boiler and said it was chugging along nicely, so I was able to ask him lots of questions about my cold rads. I explained that I had delsudged waited 2 weeks then added limescal remover and inhibitor. He believe that my problem is...

I would have replied sooner, but obviously have not set up the alerts properly when people reply to my post. I will get a photo posted

I have read so many posts here I thought it was time I wrote one. I have a glow worm fuels saver F, open vented system, FE tank in loft, pump near immersion heater. I have always had problems getting all the radiators hot in my house especially the 4 on the ground floor and the 1 in the...