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Bathroom rad with no TRV does not appear to be working at all

Cervelo · 2022-09-23T14:50:34Z

Alan from North Yorks here, new (3 weeks) owner of Ecodan 11.2 and soon to be 8 kwh Solar PV system, have a questions for other experienced users if I may? bungalow with 2 zones 10 rads with 8 having TRVs, second zone UFH, am waiting for installers to come back to fix a few 'cosmetic' issues and add glycol. Because weather been OK ish and having a 12Kwh log burner, not used the system yet in anger, but noticed one of the bathroom rads with no TRV does not appear to be working at all. I've turned the + - valve on it both directions but nothing. Any ideas why one in the loop wouldn't be working. thanks in advance

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Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

Last Post by Cervelo 4 years ago

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Cervelo

(@cervelo)

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Joined: 4 years ago

Posts: 6

Topic starter 21/10/2022 12:37 pm

Yes pressurised, They are fully filled, works fine on the rad with 15mm pipes its the 10mm piped rads that are the issue, installers just left, they've forced through as much as they can, glycol is at -10 degrees efficiency, rads heat has moved up the rads a bit more. We're testing it over the weekend. If it doesn't work they'll drain the system and put dump valves on as we know it works with just water (mitsubishi are happy with them doing that, doesn't invalidate warranty etc)

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