Even if outdoor space is limited our Slimline Heatpac should fit in most spaces. 

Key Features:     SEDBUK Band A Efficiency 20kW to 35kw output (70,000 to 120,000 BTU/h) Compact design  Sturdy weather proof dark green PVC coated casings, with high quality mineral wool insulation High performance Riello RDB burner or Ecoflam MAX burner Patented Firebird condensing heat exchanger Water way in the base of boiler Easy access for servicing Condensate pump (optional)