Which Unvented Cylinder

Question

I am to decide between 3 cylinders which will be coupled with my Underfloor Heating system. My plumber has allowed for a Range 250Lt Stainless Steel Cylinder. But I have the option to either go for on of the following: Viessmann or Chelmer Thermal Store 280 Lts (this I am told is around £1600)

So, it is matter of guidance between the 3 cylinders which one would be most suited for a House with 3 Baths/showers. Also I wouls like good pressure and the ability to add Solar in future.

Any guidance pls.

Sid

Christian McArdle · Accepted Answer

If you want to go solar, you should be considering a heat bank, such as a DPS Pandora. Pressure is determined by your water supply, not the unvented cylinder/heat bank, except that a heat bank, being fundamentally safer, might not require a pressure reducing valve.

Christian.

Doctor Drivel · Answer

He has UFH, so a full heat bank is the way. Heat banks, thermal store operate at low pressure. Unvented cylidners are potential bombs. DPS @ http://www.heatweb,comNewark Cylidners do just thermal store, but are cheap. Do a Google for them. Range cylinders, RCM, etc, etc.

At 3 baths it is going to be some size. Some makers fit all the pumps and controls which appear more expensive, but whenall costed int's not that bad.

Which Unvented Cylinder

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