I am wanting solar panels and a heat pump in the future, which cylinder can I install now and attach them later? Comments Off on I am wanting solar panels and a heat pump in the future, which cylinder can I install now and attach them later? 18 Jan 2016 Vote Up 0 Vote Down Answered Public Public Private Technical Anonymous asked January 18, 2016 Hi There, I am wanting solar panels and a heat pump in the future, which cylinder can I install now and attach them later? 1 answer Vote Up 0 Vote Down Public ⋅ January 20, 2016 Bosch 180L Stainless Steel Mains Pressure hot water cylinder. #1 Please login or Register to Submit Answer