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Did u try turning the pump speed down? theres a selector on the pump with 3 speed settings

I would describe that as a very thorough installation, and only necessary for an old sludged up system. 10 years old i would descirbe as 'quite new' You keep on going on about a power flush, this is taken from the website of someone who is clearly a pro "Powerflushing has it’s uses, don’t...

Hi, had a job this afternoon repairing a f75 fault on a vaillant 630, i found a lot of crud in the hose before the filter, managed to flush alot of it out by slightly opening the valves under the boiler and catching the water with elbows and pipes, so its working now. I also tried to remove the...

Actually i didnt, that is part of the problem, did some rewiring and got live to the pump and other boiler but now that i have the new relay i cant remember how to wire it in the same way it was before :( the wiring diagram that came with the relay is really basic

Hi, Customer has a massive house with ch zones and two potterton suprima's, was complaining of no heating/hot water The boilers are wired with the pump and switched live's in a drayton rb1 relay one boiler had power but the pump didnt, nor did the second boiler from what i...

I cant remember the name of the power flush, probably kamco or something, Since the new rad is getting hot at the top, makes me think that the pipes are feeding it fine

seco services was just editing to say they are balanced when you posted :)

Hi guys, i'm a central heating enginner and i'm having a bit of difficulty A custermer has a 2 bed flat, with a worcester bosch 24i combi, their flat had 5 old rads, 4 k1 1.2m by 40cm (1 in each bedroom and 1 in the bathroom and the final one in the living room). they also have a 3m by 40cm...

Yeah you can put it under the end of the bath, 1-1.5m head doesnt sound much I recommend Stuart monsoon twin (pumps hot and cold from tank, they are very good quality brass pumps, quite dear though, 250 quid, but will last 10-20 years If you put the cold to the shower on the mains then you...

How is your mixer supplied? Tank fed? or mains? trevi therms are very good mixers, but faulty ones do pop up every so often Check the hot water flow from the bath or kitchen sink, if this water varies in temp then your problem is not with the mixer

Any debris like flakes of limescale should enter the cylinder at the bottom and then settle at the bottom on the cylinder You shouldnt have any floating debris if you have a lid on your tank. However i've seen bits of foam insulation get into the hot water system through carelessness and...

Like Agile says new toilets have a smaller volume of flush so to be more efficient, However your ball valve may be adjustable as to allow more volume, if you cistern stops filling when only half full, you may be able to adjust it to fill to 2/3 or3/4, If you want to post a pic of your...