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Upstarirs Rads are working and downstairs rads are not working

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  • Heating & Co... Master
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Your pump is not working heat rise upstaris , pump is stuck / of you need a new one , see if pump is hot ? turn off and hit it with a spanner not to hard it might free its self

Posted on Feb 14, 2012

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Posted on Jan 02, 2017

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SOURCE: I have a Potterton Prima F50 boiler and it fires

Don't have a problem

Posted on Nov 26, 2009

  • 5 Answers

SOURCE: Radiators not getting up to temperature

depending on the piping configuration; Series loop or mono-flow, you might need bleed the system. If its a mono-flow you would have bleeders on the radiators. Bleed them only till you you have water coming from the bleeders. If its a series loop, you need to bleed them from the area of the circulator by the boiler. There is a urge system you need to use and see if you can get the information on how to do that. I would think that somene here as written a tip on how to purge a series loop hydronic system. Also check to see that you have somewhere in the 12-15 PSI on your system pressure.

Posted on Dec 14, 2009

  • 2598 Answers

SOURCE: oil fired heating. the rads are working on ground

Hi check power to stat , this must control valve to upstairs heating check valve is working , check rads for air upstairs

Posted on Mar 30, 2010

  • 1 Answer

SOURCE: ideal classic boiler no heating only hot water

Hi I have some boiler problems, I`m the proud owner of an Ideal classic SE12ff. The controls are that of Sunvic select Xl.
The problem is I can only get the hot water to work when the heating is on, I neglected this over the winter but now the summer is apparently fast approaching I am desperatley trying to get this solved. A plumber has done some fault finding with no prevail, have you any suggestions?

Posted on Apr 23, 2010

  • 2598 Answers

SOURCE: I have a Vaillant Combi

lost pressure raise pressure up 2 bar and bleed the rads keep topping up untill all air has gone from rads do this with the pump off, turn all your rads back on and follow what in said .

Posted on Aug 27, 2011

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I have a Vaillant Combi boiler, (not sure of make, but its 10 years old),the hot water works fine and the bolier heats up the downstairs rads fine, but the upstairs ones have all gone off...have bleed them...


lost pressure raise pressure up 2 bar and bleed the rads keep topping up untill all air has gone from rads do this with the pump off, turn all your rads back on and follow what in said .

Aug 27, 2011 | Heating & Cooling

1 Answer

We had no heat in rads downstairs we changed pump and flushed system no we have heat downstairs but not up any ideas?


Make sure the air is bled from the upstairs rads.
[air = top of rad is cold & bottom hot]

If you need to balance the rads to maintain an even flow through all then :-
Turn off all rads [one valve fully open and the other closed] Get heat going and open each rad valve, in turn, about 1 or 2 turns. Start with upstairs. The position you need to get to is when the return pipe fron each rad is a few degrees below the flow pipe. Adjust each rad valve to get this effect a few times may be necessary

Mar 19, 2010 | Water Heaters

1 Answer

I can only get heating to the radiators upstairs, not downstairs


balance the rads.
upstair radiators turn all valves off,heat will then divert downstairs,open valves upstairs 4 turns on locksheilds and number 4 on trvs if u have any.
then if that does not work get a combi or powerflush.
if u cant afford then drain a little from rads,get x300 sludge remover from plumb shop and put in header tank(not hot water tank).
then fill system up and repeat balancing.

www.jollygreenplumbingmachine.co.uk

Dec 26, 2009 | Desa International CBN30T Central Heating...

1 Answer

Radiators not getting up to temperature


depending on the piping configuration; Series loop or mono-flow, you might need bleed the system. If its a mono-flow you would have bleeders on the radiators. Bleed them only till you you have water coming from the bleeders. If its a series loop, you need to bleed them from the area of the circulator by the boiler. There is a urge system you need to use and see if you can get the information on how to do that. I would think that somene here as written a tip on how to purge a series loop hydronic system. Also check to see that you have somewhere in the 12-15 PSI on your system pressure.

Dec 14, 2009 | Desa International CBN30T Central Heating...

1 Answer

Central heating radiators downstairs take a long time to heat up


Problem is balancing & flow. Turn down the other rads until the inlet [flow] pipe is hot but the outlet [return] is luke warm. The rads have two valves - use the one which has a non-operation cap [just turns without doing anything]. when all the rads are the same temperature the system is said to be balanced and should be left like that using the other valves [with operating cap] to turn them on or off as required

Dec 13, 2009 | Water Heaters

1 Answer

Baxi 80 e some rads hot others cold


is the pump running or is there an air lock near to the boiler check water tank in loft the smaller one to make sure you have water in the system

Apr 24, 2009 | Combi Centre DX - Mango

1 Answer

3 out of 7 rads working with hot water


This is a flow problem within the system and you have ruled out the two major problems already.
asuming the pump has been fitted in the correct way round and the pump isolation valves are open fully. have you tried closing down the radiator valves upstairs and forcing the flow around the downstairs circuit? also is there any zone valves on the circuit not opening.
Is it a conventional type system with a header tank ?

Feb 01, 2009 | Heating & Cooling

1 Answer

Baxi Boiler not firing, pilot light ok


first check the pilot is alight, it sounds like it is cause you can hear the boiler click. that click is the gas vale solenoid trying to open, if there is 240-230volts at gas valve when you here the click and pilot is alight the gas valve is broken. if you test for voltage look on the gas valve and see if its 240 or 24v obviously if it 24 v check for 24 volts, let me know

Nov 11, 2008 | Combi Centre DX - Mango

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