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New radiator in loft causing problems

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SafeGasInstall said:
Steve you have played with pump ? Which way is your pump pumping ?
Click to expand...

There is an arrow on the metal body of the pump pointing upwards if that answers your question?

When I had the 3 port valve changed by a different plumber he suggested it "may" be upside down but wasn't sure.

I did mention this to the plumber i am using now (who is Gas safe) and hes said it was ok?

Is there a way for me to determine which way its pumping?

Thanks

Steve
 
Arrow on pump indicates direction - should be pointing towards your 3 port valve. Pump should be on the centre branch and "A" (on the valve) goes to heating, and "B" go to hot water.
I can't believe that's piped incorrectly, but it's worth double checking!
 
Megaflo-Experts said:
Arrow on pump indicates direction - should be pointing towards your 3 port valve. Pump should be on the centre branch and "A" (on the valve) goes to heating, and "B" go to hot water.
I can't believe that's piped incorrectly, but it's worth double checking!
Click to expand...

Arrow on pump body is pointing away from 3 port valve but I believe with some pumps you can rotate them on the body so maybe this is not necessarily right?if there is a way to confirm flow direction I will gladly check.

Looking at valve face on, CH is connected to left port and HW to right

Steve
 
Stevemarch1969 said:
Arrow on pump body is pointing away from 3 port valve but I believe with some pumps you can rotate them on the body so maybe this is not necessarily right?if there is a way to confirm flow direction I will gladly check.

Looking at valve face on, CH is connected to left port and HW to right

Steve
Click to expand...
steve is time to admit it all 🙂lol
 
White valve in loft shut.

both valves on loft radiator shut off.

no hot water in ch.

as soon as I open Valves on loft rad, other rads heat up.

Any ideas?
 
SafeGasInstall said:
Call a plumber to turn pump around 🙂
Click to expand...

As I said in a previous comment, a few years ago when a plumber changed 3 port valve he mentioned it "might be upside down"

latest plumber is gas safe and I mentioned it to him but he confirms it is definitely not the wrong way round???

could the symptoms in my post above be caused by the pump being wrong way round?
 
lame plumber said:
if a garage says your brakes are ok but your car doesnt stop, then what do you do!
Click to expand...

I fully accept what you are saying.

if I can confirm my problems described above are caused by a pump being backwards at least I can tell a plumber my problems before I call him.

Steve
 
This is a wind up! Too many conincidences...valve "MAY" be the wrong way round, pump is the wrong way round, but gas safe engineer says it's okay, non-return valve behaves as it's the wrong way round, but arrow suggests it's correct.
Get someone in who knows what they're doing; if you call a plumber and try telling him what needs to be done, you'll just confuse matters.
Pay a sensible rate, and let him/her sort it out!
 
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Thanks to everyone on here for their help and advise it is much appreciated.

I will call the plumber who did the job and ask him to come and turn the pump round, failing which I'll draw a line under it and get a new plumber.

Thanks again.

Steve
 
check valve needs replacing or return pipework needs to be moved, this is your problem, nothing else. Pump does sound suspect, would recommend changing it round as although the heads can be swapped the propellers inside only go one way and the flow will only go one way. The only thing is that the boiler shouldn't fire up for more then a few minutes at a time if pump is wrong way round.
 
Some older boilers will work quite happily with the pump the wrong way round
 
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