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Hi i think yiu will have to try ballancing the system and also turn up the pump to No 2 the red top valve is a bypass valve if your system worked ok before then it seems its down to a circulation prob, i have a micro bore system myself and they do need ballancing as i say try...

Hi you do not say how many rads are on your system and what have you got the boiler stat turned up to ??? It seems that your plumber does not know much about Ravenheat boilers as they are factory set for the heating at around 52,000 btus so as there tech dep say the...

hi yes they would undo anticlockwise as mine do and as the other poster says try using a pair of rubber gloves so you can get a good grip hope you succeed ok mick

hi not shure with bristain but they are very simular to my bath and basin taps that i have recently installed and on mine the chrome dome unscews then there is a screw under that that holds them on hold the top with both hands and try to unscrew the top you have nothing to loose...

well done kevin its good to know alls turned out ok i have done a few in the last 35 years, at least you have all the things working again, i wish sometimes everyone could post pics as its a great help to other engineers on the forum to help where we can nice one...

well tiled panels are a pain in the buttt becauase most are just boarded up with no regard for removal i would try pulling it from the bottom failing that i would try drilling through the tile only on the joint at a few inches in from each end the put in a screw or better a hook...

hi it looks like you will have to put in a couple of tempary links with all the power off and the fuse removed, take a feed from the live in and put into the hw out screw and the heating out screw then at least you can tturn it on and off with the fused spur b if you look at the...

hi ime afraid you will have to accept that there is a problem with the boiler it can be several things that i could mention but they are beyond D I Y work so get a CORGI registered engineer to look at it unfortunatlly they do suffer from a few faults like most other boilers i...

hi had a lot of these just cut the sealer all round and scrape it clear of the front of the panel i use an old knife and bend it about 1" from the end then you can feed it under the panel and it should pull out can sometimes need a lot of pulling but move the knife allong as...

Hi it looks like you will need to dig out the white grout around where it goes into the wall you can just see the brass nuts to the shower and if you are carefull you should be able to undo them both then as i said get 2 ballofix valves yes they are available at b/q the...

hi if the shower is surface fixed and the chrome nuts are on show then remove the shower comptetley and fix 2 15mm ballofix valves onto the nuts to the shower valve and turn off the 2 valves then you can turn the water back on

Hi the vessel should contain around 0.5 to 0.7 bar to check you must isolate the boiler from the system and depressureize, it i should check to see if water comes out of the shrieder valve if it does then it needs replacing if not then you can pump it up to the req pressure then...

hi i think you will find that a 2002 will be the direct replecement and will fit straight onto the original backplate

hi i would check to see if the plastic tops are actually turning the shaft of the valve as these can sometimes seize and the plastic top turns but does not turn the valve on, also the double check valve can seize up i have had 1 that has done the same and no water would go into the system...

Hi try one of the major tile distributers and stockist i have seen internal corner profiles in white and tiles go up to around 12 mm it might be worth a try

hi just saw your post sounds like you have a gravity hot water and pump on the heating 2 things it could be the rads can work on gravity and if the system has good circulation sometimes i have seen all the rads getting hot all over the house thats why a non return valve was fitted in...

i had one just the same last week get a new valve undo the large plastic nut remove the washer take care as it has plastic pins on the washer make sure you locate properly with the washer the correct way and refit the new end peice and float no need to remove from the cistern completely

hi as the other poster says check for water in the domestic header tank if its full then it must be either an airlock or someone has turned off the valve on the cold feed and it could be broken inside therefore not allowing water to enter the bottom of the cyld If its an airlock...

hi is the trv on the same side as the pipe that gets hot ??? because if its an old type valve it needed to go on the flow so if its a newer type with reverse flow its prob a pin sticking in, just remove the top and tap the pin a few times and see if it comes out on its own a bit...

it sounds like the system needs flushing out as sludge in the system will cause the heat exchanger to make knocking noises just wondering when fernox was last replaced it only lasts about 5 years at the most, so it might be worthwhile replacing it its easier now as you can use...