2.8 Closed Loop Glycol Kitset

To suit 2-3 person household, requires 180 litre cylinder c/w coil. Everything you should need kitset including 1 high efficiency 2.8m² collector, flat to roof collector fixings, ESR21 controller, pipework, fittings, pump, pressure relief valve and pipe insulation, expansion vessel and 5 litres of propylene glycol.