Heatrae Sadia Megaflo HE - SystemFit

• High performance ‘coil in coil’ heat exchanger
• Exceeds CHeSS* Best Practice for recovery times and insulation Improved insulation for maximum heat retention
• New water inlet controls increase flow rates by up to 35 percent
  
• Improved performance at low pressures down to 1 bar
• Installer friendly design

model to suit your needs.

Seperate Central Heating and Hot Water Configuration 1 Motorised valve to radiator circuit - 22mm on 125L/145L models / 28mm on other models 2 22mm motorised valve to Megaflo coil heat exchanger 3 Wiring centre 4 Programmable thermostat and room sensor with timed Domestic Hot Water (DHW) Control 5 Hot water temperature thermostat High performance configuration 6 Automatic by-pass valve 7 3 speed circulator pump with quality isolating valves 8 Balancing valve 9 22mm cold water combination valve (supplied loose) 10 Combined expansion valve/check valve housing 11 22mm or 3⁄4”BSP hot outlet to taps 12 22mm Primary flow to Megaflo coil heat exchanger 13 22mm Primary return from Megaflo coil heat exchanger 14 Immersion heater with integral thermostat and thermal cut-out 15 Drain cocks Comprehensive safety controls 16 Temperature and pressure relief valve (with innovative insulation casing supplied loose (16a)) operating at 90C / 10 bar 17 Tundish 18 High limit hot water thermal cut-out Connections 19 Primary flow connection from boiler - 22mm on 125L/145L models / 28mm on other models 20 Discharge pipe connection 22mm 21 Cold water inlet connection 22mm 22 Primary flow to radiators (CH circuit) 23 28mm Connection for 2nd CH zone ((supplied capped) 170 litre and above only) 24 15mm Connection for secondary return (supplied capped) 25 Auto air vent 26 Primary system pressure gauge 27 Primary system filling loop 28 Primary system expansion vessel 29 Primary circuit return connection

Commonly incorrectly spelt as Megaflow.

Discounts table: