Central Heating

7 Sep 2010
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United Kingdom
I have a Glow-worm Spacesaver boiler with a danfoss 102 programmer. I have central heating but no hot water. I have fitted a new programmer but it only runs for 10 mins then cuts out. Why?
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You don't describe any other controls you may have on the system but it may be a simple gravity hw system and 1st thing to check is the small fill/expansion tank in your loft has water in it.After that things get a bit more involved.If you have motorised valves then suspect the one controlling the hot water.Describe you system in more detail.
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