On Jun 26, 12:10*pm, Jim K wrote:
nice hot day.

Since the interesting discussions on solar PV, am now pondering DIY
solar water heating possibilities, anyone care to share? or links,
pointers, suppliers (good/bad/cheap/expensive) all (constructive)
suggestions welcomed..

trawled on here first and been reading about Solartwin (seems ££££?)
and Navitron DIY kits - any experiences? other suppliers? other ideas?

TIA
Jim K

I have a home made Solar water panel. However, I also have a PV
panel.

I think an issue you need to consider is that why not just turn the
immersion heater on on the sunny day , ie, never bother with the
thermal panel.
After all, you get paid for the electricity anyway whether you use it
yourself or not.
Much better use for the cash.

So, go for the biggest PV panel you can & bugger the solar heating.

I have electric undersink storage heaters (5liter). I turn them on
through the (sunny) day for hot water at night.