I've been comparing the prices of 24 litre expansion vessels, a commodity plumbing component, in the UK versus Germany.
(Or ausdehnungsgefäß!)
In the UK they'll retail at about £28 to £30 pounds.
In Germany they're about £21.55 at 1.16 euros to the pound.
Check each country's Ebay...
Yes - I see the legionella point - all that lukewarm water sitting in 5 shower distribution circuits.
However - if say the pressure balancing is somehow taken care of centrally - before the distribution to the showers - then lower cost thermostatic showers can be installed - probably last...
(Not sure what you mean about using tank to feed boiler (installed already) - my bad description I think. The tank only feeds the taps and baths - the boiler is only fed by mains).
Given that it exists already I'd argue for keeping cold water tank / gravity distribution - for WC cisterns...
I wanted to hear if there are many systems out there that reverse the normal 'Mains cold + Stored Hot' pattern.
In this house I'm thinking of combining a mains fed 40kw Vaillant 937 storage combi with a gravity cold water system from 200 gallon loft tank.
The Tank will fill quite...