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  1. H

    Vaillant ecoTEC pro, filling loop problem.

    Hi thanks for all your help. Managed to get some pliers round the valve and with a bit of force and gritted teeth it's turned. Pressures all back up now
  2. H

    Vaillant ecoTEC pro, filling loop problem.

    Hi Wonder if anyone here can help? Woke up this morning to find error F.22 flashing on my 2yr old ecoTEC boiler. Looks like the pressure has fallen too low and the systems shut off. I believe you have to fill the system using the silver flexi u shaped fill pipe that's under the boiler? Mine...
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