Warm rads downstairs

11 Jan 2008
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United Kingdom
Hi, the pump had jammed on my system when I fired it up a couple of months ago. I drained the system and refilled it, then bled the air from the pump and the rads. It heats the upstairs rads instantly but takes ages to get the down stairs even warm. I've turned the pump up to the highest setting, but it's much the same. Is it new pump time? TIA
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What was the purpose of draining and refilling the system for a seized pump and not change it??

Anyway try turning all the upstairs rads off. This should hopefully clear an airlock which is stopping the GF ones from heating up.
I bought a new pump, but it was a contorsionists job to fit, as the pipe layout was crap. So I thought I'd see if the pump was the issue before I went to stage two :LOL: I've shut down the upper rads and the downstairs one's are now hot. Where do I go from here? TIA
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