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    Potterton puma 80 - Diverter valve change - Washers / PTFE?

    Hi, I'm about to change the complete diverter valve on a potterton puma 80e. I have a set of correct size fibre washers for the job. Is it worth using PTFE tape on the threads as well, or is this overkill or likely to cause problems? Thanks. Robin
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    Potterton Puma 80e - Washer sizes for Diverter Valve

    Hi all, Am planning to replace my temperamental diverter valve / wax capsule after it failed to perform and leaked everywhere. (Potterton Puma 80e) I am replacing the whole part rather than just the wax capsule. Can anyone tell me (before I dismantle it all) whether the fibre washers...
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