I have a 3 zone central heating system. I have: zone 1 (downI have a 3 zone central heating system. I have: zone 1 (down stairs heating) Zone 2 (upstairs heating) Both share a 22mm common return and rads are just t'd in where possible from both zones. Zone 3 (… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
Hi Rick I'm Huw, I have 3 radiators upstairs in our house.Hi Rick I'm Huw, I have 3 radiators upstairs in our house. One is off but gets hot when the valve is opened, one is stone cold even when the thermostatic valve is opened fully, and the other one (a ve… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
Got a 5 yr old towel rail which runs of hot water system (notGot a 5 yr old towel rail which runs of hot water system (not central heating system). Heating system is powered by 3yr old condensing boiler. Towel rail is on 1st floor of house, right near hot water… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have just bought a new house with block walls and concreteI have just bought a new house with block walls and concrete floors on the the lower level, floor boards on 1st floor. Currently the central heating is all surface mounted and I intent to replace the … read more
Brian
Plumber
596 satisfied customers
I have regular (not combi) boiler with vented system I think.I have regular (not combi) boiler with vented system I think. (Option 1): I am getting a ground floor extension built (2 rads) plus I would like to run pipes in case I want to turn some or all of the … read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
I am adding another rad to my combi heating system. The radI am adding another rad to my combi heating system. The rad is in, and all the new polyplumb pipework installed to the existing flow and return, also in polyplumb. All that remains is the connection! … read more
Chamberlain Maintenance
Plumber
324 satisfied customers
Shall I change hot flow pipes from 15mm to 22mm or do I needShall I change hot flow pipes from 15mm to 22mm or do I need extra pump in the basement? Central heating system: Boiler is Valliant eco TEC pro 28 installed three years ago and room thermostat control… read more
Brian
Plumber
596 satisfied customers
I thinking of doing a diy central heating installation to replaceI thinking of doing a diy central heating installation to replace an old single pipe system in a 3 bed semi. The boiler is a fairly new combi. Would you recommend plastic pipe and what should the basi… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
Hi, We have finally installed a radiator in our loft conversion,Hi, We have finally installed a radiator in our loft conversion, using piping put in some years ago by loft company. However although water is in the system, it doesn't seem to circulate up in the lof… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
when my central heating system was installed many years agowhen my central heating system was installed many years ago the boiler fed a loop of 22mm pipe feeding most rads, and 2 15mm pipes heading out from the main 22mm pis in the boiler house to 1 rad in an… read more
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
I have drained down my c/heating, and replaced new thermo valvesI have drained down my c/heating, and replaced new thermo valves on each of my 6 rads, when I put the F & E cistern back on again I did not hear any water running in it to fill my rads, they are still… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
Hi, I have a central heating problem; I want to heat theHi, I have a central heating problem; I want to heat the hot water using the oil burner as the house is zoned for ground floor, 1st floor and hot water. When I shut off the valve for the ground floor … read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a radiator in my bathroom which, despite being bledI have a radiator in my bathroom which, despite being bled and all settings of its thermosattic valve being tried, has never worked. All of my radiators are on 10mm pipes but this one is on 15mm pipes… read more
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
Added 3 radiators to gravity fed heating system, valve areAdded 3 radiators to gravity fed heating system, valve are very hot but radiator cold, turn off existing radiators and the new ones heat, turn existing back on and they go cold. Each day different rad… read more
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
i recently installed a towel heater in my bathroom, i changedi recently installed a towel heater in my bathroom, i changed the pipework from 8 mm to 15mm. Now the other 3 radiators in my upstairs wont heat up, if i drain the cold water out of them then the hot … read more
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
is 15mm polypipe good 4 a combi system plumber just finishedis 15mm polypipe good 4 a combi system? plumber just finished and done all system in 15mm?? surely it should be done in 22mm copper then branch off in 15mm copper 2 rads???… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
Im adding a radiator on the landing, there hasnt been oneI'm adding a radiator on the landing, there hasn't been one there before. I'm confused, I have found two 22mm copper pipes under the floorboards and the one which heated up when I put the heating on I… read more
Andrew Smith
M&E Project Manager
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have installed 3 new radiators upstairs I have not chnagedI have installed 3 new radiators upstairs I have not chnaged the pipe work I have TVRs connected to the inflow pipes for each of the radiators, new lockshields fitted all valves etc are open. The radi… read more
Rick Ridley
Retired, well Semi,
30 years on the tools
2,707 satisfied customers
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