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Mend Glowworm 50B Heating Boiler

how do i fix my hideaway glowworm 50B boiler?

hi, having a problem with my heating system. Water doesn't get very hot possible air lock ?. If this is the problem can anyone suggest a way of getting rid or advise.
regards
dave,
ps. gravity fed.

dave
January 2009
GlowwormGlowworm 50BHeating, Home Heating SystemsHeating Boiler Glowworm
cannot find any valve near cylinder

dave
January 2009
is there a 2 port valve near the cylinder if so is it free

b
January 2009
when bleed screw is opened it seems to flow ok

dave
January 2009
hi tony , water doesn,t get very hot when its on water only.
regards
dave

dave
January 2009
do you get a good flow of water from the bleed screw
if not maybe a blockage.

b
January 2009
You may find that if you put the heating on,your water suffers if it is gravity fed.Is the water performing ok if you have it on water only,as unless you upgrade the system you may have to put it on water only until you are happy and then switch it to c/h once youve got the water you want.

Tony S
January 2009
yep rads are pumped. can you suggest how i check if the feed is blocked.
regards
dave

dave
January 2009
may be a blocked feed from the tank.
i take it your rads are pumped

b
January 2009
hi, yes tanks have water in them.

dave
January 2009
has the e&f tank got water in it

b
January 2009

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Glowworm 50B Boiler: No Hot Water - Help!