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hi im after a wiring diagram please ive got a worcester greenstar 18/25 combi frost stats x 2 (sunvic txl?) not sure why 2 of them(high & low limit i guess) acl drayton digistat 3 (programmable room stat) boiler is working fine when external controls linked out but not working when...

Hi, I have an incredibly wet room to deal with. Have been collecting 2 liters per day and my son has been sleeping in the room for years, yikes!! It has an old chimney in the room but the wall is not wet there. It's more along the baseboard where the paint is blown out. The floor is concrete, is...

We have recently had our heating system upgraded (new radiators and conversion from gravity hot water to fully pumped system). In doing this we took the opportunity to have the heating zoned for upstairs/downstairs. Everything works well but I would welcome thoughts on the following: 1...

it could be a number of things get him back probably best you dont play

22mm would be your best bet for flow but its all down to what system you have if its a combi boiler the hot leaves the boiler in 15mm r u running shower/bath off of gravity system? was thy old shower pumped or have you got pressurised hot water

did you manage to get water out of rads what have you tried

check all rads r on motorize valve-is your hot water working-try manually moving valve across their should be a lever on the side that points to a & b pull it across (or push)and see if heat travels down heating pipework if not already what does your valve look like is your room thermostat...

it sounds like an air lock r other downstairs rads ok r rad valves open i would check the small expansion tank in the loft to make sure its got water in it turn off heating-back fill system- have you got a drainoff valve you could jubilee clip a hose pipe to it (be careful-use towels...

hi james- sorry if not clear put a piece of 15mm pipe from mono flexi tails to your isolation valve as in picture like seco and yourself said i think when you said 12 you mean 1/2" best of luck

hi - personally i think you need a system bypass which goes between pump & Valves-this is to take excess heat away from your boiler-and to allow pressure relief from positive side of pump maybe the bearings in the pump are getting worn are you getting air into the pump-are you getting air into...

like mandate said- probably expansion vessel needs recharging with air to take up system expansion & contraction maybe split diaphram - or worse case scenario- guessing its a combi - hot water heatexchanger leaking to heating heating circuit expansion vessels have a tyre vale on them-a...

i agree with the gas man pipe freeze kits can be great and save time in lots of circumstances but if you are not carefull could get you into trouble if you do go down freeze road-make sure heatings powerd down-towels & isolation valves at the ready-and if cutting pipes use new pipe slice...

normally we would just use the fischer fixings-if adequately sized - have you tried putting brackets on afterwards if in doubt you can also use a bit of silicone to stick basin to wall

pressurised cylinders need annual servicing like your boiler you can download litrature from heatrae sadia has INDIRECT thermal cutout operated Check. Reset by pushing button on cut-out. Check operation of indirect thermostat this is linked to motorised valve as a safety measure...

have you got an automatic bypass valve(or manual bypass btween your pump and motorized valves is your pump running when valves have closed(called pump over run) have you picture of more pipe work valves etc

back to the subject boys is your bathroom radiator on a towel rail circuit-(does it get hot in summer) if it is its like gas man said, its one of the 1st tees after pump-you could always try turning pump down 1 setting(because it might be drawing air via open vent pipe from the expansion...

the taps and tails you bought should be fine(they might restrict the flow a little-due to reduction in pipe size in flexis on top of the isolation valve i imagine you just need a nut and olive, insert a short piece of 15mm copper pipe approx 50mm long with jointing compound into your...

are u sure you have the right nozzle- flue blockage baffles all clean

its definitely worth it-i would be inclined to sleeve pipe work that passes through walls and put a heat proof silicone around it(its flexible and will take any expansion)-gas pipe work can not be sealed both ends only one end

I have an open vent central heating system, which I drained and refilled in order to replace two TRV s on ground floor radiators. Prior to replacing the valves, it was not possible turn on the central heating independant of the hot water coming on and when I checked the two port motorised valve...