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Plumberpro
Plumberpro, Plumber
Category: Plumbing
Satisfied Customers: 634
Experience:  Heating and plumbing answers. 20 years experience
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I have to replace and reposition a radiator in my sons house.

Customer Question

I have to replace and reposition a radiator in my sons house. There is a vented cold water galvanised tank in loft which supplies domestic hot water through a cylinder but no sign of separate supply and expansion tank. I am assuming therefore he has a system boiler which has its own expansion chamber and pump. If so how do I turn off water supply to drain radiators and when I refill is there anything I need to do?
Submitted: 2 years ago.
Category: Plumbing
Expert:  Plumberpro replied 2 years ago.
Customer:

Hi . the heating system water is sealed and will not fill itself back up . when you drain the system froM the drain valve ,open the top radiator bleed valve to help drain the system

Customer:

When filling back up , shut all radiator bleeds and then fill the system up using the filling loop.

Customer:

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Customer:

Fill up until pressure gauge gets to 1.2 bar .

Customer:

If you can't find the filling loop ythe boiler may have an internal one

Customer:

Hi if happy with your answers , would you mind rating ,please. Thanks

Customer:

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