Needs a proper full bore ball valve for inlet isolation. No balanced cold take-off by the look of it. Who's stolen the immersion heater.needs installing/wiring for backup.Įxpansion vessel plumbed into the wrong connection.Ĭheck the expansion vessel pre-charge pressure. Get a G3 licenced installer and at least the following needs checking/doing. Who installed it.they can be prosecuted for such illegal work. What would be the ball park cost to supply and fit the valve, tundish and utilise existing pipes? One quote I have appears excessive - north of £600. Surely to unitise the existing PP pipe for overflow is the most convenient?ģ. Is there no chance of a tundish spilling water? Are there enclosed ones available with a glass or similar window?Ģ. I believe the tundish gives a visual sign of water, but its an open fitting. I've looked on NHBC who produce a technical guidance document 8.1/26 that states that indeed the overflow should include a tundish, which I dont have, but does state that plastic overflow pipe work is an acceptable alternative to copper.ġ. I have been told that the pressure relief valve requires replacement and the overflow MUST discharge via tundish and copper pipework. It appears the muppet who installed it did not do a proper job and will not return to fix. The cylinder is overflowing only when the cylinder is being heated. I have a water discharge issue via the overflow from my unvented cylinder.
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