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Unvented Undersink Water Heaters. For D.I.Yers.

Carrying on from a recent thread about the potential dangers of amateurs installing unvented undersink water heaters incorrectly….. Click on this

 

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  • I’ll let you in on a little trade secret, learnt by experience, but totally obvious when you see it.

    Female adapters come in two versions, with long or short threaded sections, if you buy the long version to fit an Ariston heater you have to rely purely on PFTE tape wrapped around the thread, however if you buy the short version you can install a decent quality fibre washer to seat the female adapter onto the plastic fitting on the heater as well as running some PTFE onto the thread.

    Before now I have called at several plumbers merchants to get the right female adapters, but it’s worth the time it takes.

    https://www.tradingdepot.co.uk/end-feed-straight-female-adapter-15mm-x-1-2

    When I have not been able to get the short version I have cut some down with an angle grinder, I did this last year to replace a shower for a customer the other way around, I ended up cutting a male adapter down to get the new shower on the wall when the original fittings were too far back in the wall newly tiled with limestone.

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  • I’ll let you in on a little trade secret, learnt by experience, but totally obvious when you see it.

    Female adapters come in two versions, with long or short threaded sections, if you buy the long version to fit an Ariston heater you have to rely purely on PFTE tape wrapped around the thread, however if you buy the short version you can install a decent quality fibre washer to seat the female adapter onto the plastic fitting on the heater as well as running some PTFE onto the thread.

    Before now I have called at several plumbers merchants to get the right female adapters, but it’s worth the time it takes.

    https://www.tradingdepot.co.uk/end-feed-straight-female-adapter-15mm-x-1-2

    When I have not been able to get the short version I have cut some down with an angle grinder, I did this last year to replace a shower for a customer the other way around, I ended up cutting a male adapter down to get the new shower on the wall when the original fittings were too far back in the wall newly tiled with limestone.

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