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Mend Heater Hot Bottom

my heater in my bedroom is only hot at the bottom can i put wter into it ?

How can I put more water into my radiator in the bedroom so it heats all the way up? thanks

Donna Hyde
March 2011
On the understanding that the radiator is part of a water fed central heating system

It appears you have air in the radiator and it will need to be bled out.
You will need a small bleed key (buy at ironmonger or DIY centre) on top right or left of radiator you will see a small square headed nut with cloth under back off /unscrew using the key and you will hear air escape then you will see a small quantity of water .
At this point tighten screw up. Top of radiator should now be warm.

Depending upon the heating system you may now need to readjust the system pressure on the expansion tank to about 1.5bar.

Maurice
March 2011

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