Simple automatic setup of using excess PV energy to heat water

[ghatikar]

This product can detect if excess PV |Energy is being fed back into grid and use it to heat water ( upto 3 KW)

https://www.aliexpress.com/item/3000W-Excess-plus-Solar-I-boost-Alternative-Energy-saving-for-water-boiler-infrared-heating-system/32613200769.html

 PV panel users applying  net metering or grid ties should benefit from it 

I just found it while  browsing for Solar Hot water  products 

Edited September 25, 2017 by ghatikar
link corrected