As every one of the elements like pump, a few-way valve, growth vessel, Handle unit and electric powered stream and back again-up heaters are contained within the indoor unit, there's no will need to install these separately with a hydrosplit. The ECOMOD 290HT choice of monobloc air source heat pumps https://purethermal.co.uk/media-news/q4-launch-lithium-large-capacity-r290-ashp-from-pure-thermal-and-enerblue/