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hi it could be the air pressure switch not pulling in with the fan that will stop it ignighting, its not a job for diy though , you could have a look to see if any of the plastic pipes are broken or split i always carry a peice of tubing so i can suck on the a p s pipe very...

I used to do a lot of renovation to terraced houses and the easiest way is to have your service brought in the front of the house from the pavement, then into the house into the gas meter cupboard thats usually in the front room, then it can go upstairs and under the...

Hi dont panic it will not blow up if the pressure goes above 3bar then the water will discharge out of the wall to outside assuming the fitted one i have seen them without a blow off pipe to outside regarding the pressure its possible the plate heat exchanger has got a small...

hi what model is it is it the CSI 85 range?? or CSV85t or CSIsystem boiler???? if it is it sounds like you have a problem with the low water pressure switch even if the boiler pressure gauge is reading the correct pressure the switches block up at the back with sludge and then...

sounds like the motorised valve is not working when they go they normally stay in the last position they were used in. on the end of the valve there should be a small lever try pulling it over if the motor has gone you will feel some resistance on the lever , so with the boiler on...

hi i cant say i have seen monoblock mixers with very short tails normally they are made for the british market and have tails to 15mm copper which are soft copper as well so they bend easy once they are through the hole of the unit, I am wondering if the threads on the end are...

Hi are you sure that you have not broken the gate valve in a closed position when you turned it off see if the top goes round and round if its an old one they break off very easy i have just fitted a new bathroom at home and guess what it happened to me fortunately i have...

Hi i know corgi direct do books for the preparation for the A C S certification 1 ... gas safety domestic (ccn1) workbook (corgi direct) there are 136 pages of multi choice questions just the sort you get with the core question paper the other books i would...

hi tony I buy citric acid cristals from an asian food shop they use it in cooking, I use them to restore grandfather clock movement brass parts then i can pollish them up ready to assemble I do it for a hobby Mick

Hi the name for the pipe is polyyork 3505 and was used a lot in the 70s i have intalled loads up o 4" it needs a special glue there are fittings that will fit but it will need a lot of searching around you might be able to use a 2" compession fitting or simular but you will have to...

check the expansion vesel has got air in it and not water the diaphrams do get a pinhole in them so the air dissapears and it fills wth water so then there is no where for the water to expand so then it will get noisy and in most cases will blow off through the 3bar valve to the...

it does sound like the pcb as it has 2 relays on board and they burn out completly although it could be the aps so that need checking out for 240 volts switch over when the fan is running, the boards are not expensive in comparison to others and by the way it does need a corgi...

hi crisR yes my mistake got mixed up with the 280 mick

hi yes he can as long as he knows how its done the boiler must be isolated and drained down to zero pressure then a tyre pressure gauge will tell what if any pressure is in it most hold around 0.7bar you can pump it up with a bike pump if any water comes out when the shrieder...

well if its a 240rsf the diverter valve is electric i take it that the black plunger you are talking about must be the manual lever on the underside of the valve so it sounds like the motor has had it to do it properly you need to remove the pressure vessel to gain acsses to the screw...

hi it could be a couple of things a blockage in the return on the coil but i think its the motor in the diverter valve, just look on the end see if there is a lever push it over and see if the return gets hot make sure your boiler is running, if it gets hot then its a new motor or...

it could be in lockout turn it off at the wall for 2mins then back on again if it does not fire just try it at 1.5 bar

hi the cost of £120 thats for a genuine ravenheat one they are all made by gianani i checked up one with them and its the same valve the only difference is there is not a k in front of the serial number, on a boiler of that age its worth using one of the other suppliers at £30...

hi better to turn off the valve each side of the pump then remove the screw try spinning the pump with a small screwdriver you will not be able to do this on a pressurized system as most combi s do not have valves on and then you would get a pressure release out of the end of...

Try turning the hot water tap on wait for it to get hot then turn off the cold main stop tap and see if the hot wat stops coming out of the tap,, my greenstar is on a y plan, i only use the combi hot water on my cloaks basin and the washing machine that is in the utillity room where...