hi
solar hot water is great but i will advise you to be very carefull who you use to supply and install your system as just any plumber can say hes an expert so i advise you to ask them for  a list of 5 customers that you can approach  that have had there system for  up to 3 years to ask what they think of there system john

Linkback: https://forum.plumbers.nz/solar-heating-and-heat-pumps/9/solar-is-wourth-it-but-watch-out/485/