Megaflo Eco 170i Indirect Unvented Hot Water Cylinder

The Megaflo Eco Indirect 170L is the UK's most popular unvented hot water cylinder size — the go-to choice for 3–4 bedroom homes. Boiler-heated with a remarkably fast 22-minute recovery time from cold at 15 l/min primary flow, it delivers 76 litres per minute at 3 bar. No pump, no cold water storage cistern. The enlarged surface heat exchanger maximises coil output across the full load. Duplex stainless steel inner vessel, 30-year tank warranty and 2-year product guarantee. 170 litre nominal capacity — most popular UK cylinder size Heated via system or heat-only boiler 1 × 3kW Superloy 825 backup immersion heater 60mm CFC-free polyurethane foam insulation 76 l/min at 3 bar — powerful simultaneous showers without a pump Internal floating baffle — no external expansion vessel Factory-fitted T&P valve, 3 bar PRV, tundish, wiring centre and 2-port motorised valve ERP energy rating: B | Kiwa approved | 30-year tank warranty | Made in the UK Specification Value Nominal capacity 170 litres Height 1384 mm Width × Depth 579 × 600 mm Weight empty 39 kg Weight full 233 kg Standing heat loss 1.20 kWh/24h (50 W) Max flow at 3 bar 76 l/min Coil heat-up (15 l/min, 80°C primary) 22 min Recovery 70% draw-off 16 min Backup immersion 1 × 3kW @ 240V Operating pressure 3 bar (0.3 MPa) Max mains pressure 16 bar Connections 22mm compression / ¾" BSP male ERP energy class B Product code 7817127