Indirect Pumped CH system - No Hot Water

14 Apr 2005
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United Kingdom
I have just replaced my combination cylinder and on refilling the system I am not getting any hot water. The system is an indirect pumped system. The radiators are all heating up but no heat appears to be going through the coil in the cylinder to heat the water in the cylinder. I live in a bungalow so all the radiators are on one level but the cylinder is in the loft. Any ideas????
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three port valve
no motorised valve on my system. Baxi floorstanding boiler and grundfos pump
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just had similar problem look at post direct or indirect was an airlock all along watch the tank in loft doesent flood , good advice given on other threads.think it was kev.

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