Solar dump to water heater
What does the collective think of this idea?
Excess solar to heat calorifier, thinking of using this dual voltage heating element from surejust.co.uk
12 Volt/240 Volt Twin Immersion 2 1/4" BSP.
300 watt 12 volt side - 750 watt 240 volt side.
12V & 230V thermostats included.
For wiring size 4 or 6mm 300w/12v = 25A? 2 metre cable run approx..
All suggestions welcomed, Thanks