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Discuss Hi, anyone know what this is? Image attached in the Plumbing Forum | Plumbing Advice area at PlumbersForums.net

ShaunCorbs

Staff member
S. Mod
Plumber
Gas Engineer
would say something like flue gas heat recovery
 

Stigster

Esteemed
Plumber
Now this is a bit of wild guess but it could well be a drain waste heat recovery unit. For preheating incoming water to cylinders. It has two connections that look like they'd take the water you want to preheat through it and a connection big enough for a waste pipe too. The only problem is that the outlet looks too small for that purpose?

Whatever system it's supposed to go on to it is surely some kind of heat exchanger/heat recovery device.
 

snowhead

Esteemed
Plumber
Edited, not Heat exchanger but, Commercial boiler possibly Potterton, condensate collector (heat recovery)

Most likely Item no 9, Potterton Paramount,

Boiler flue rec.PNG
 
Last edited:

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