11inch would be the top one as it's just the booster. Night charge one is longer and I can't find anything about manufacturer's recommended element for a Albion 1050x450 tank.
Element gone in immersion heater and need to replace. Can I ascertain element length without removing first? Tank is an Albion 1050x450 with two elements top and bottom. I need to know the size of the bottom element (economy 7). I would guess 27inch is the correct size? Would save me a bit of...