Been asked to install an 80 lt unvented cylinder but has no tapping for T&P release valve, I am sure it should have one, it's an Ariston and there is no mention in the Mi's. Customer bought it off the web. Does it need a T&P valve ?
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Yes, should be external and in the top 3rd of appliance.
Reply to the thread, titled "80 Lt unvented" which is posted in UK Plumbers Forums on Plumbers Forums.
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