Megafl
o H
e
29
9.1 IMPORTANT
i) Servicing should only be carried by authorised Heatrae Sadia Service Engineers or
Agents or by installers competent in the installation and maintenance of unvented
water heating systems.
ii) Any spare parts used MUST be authorised Heatrae Sadia parts.
iii) Disconnect the electrical supply before removing any electrical equipment covers.
iv) NEVER
bypass any thermal controls or operate system without the necessary safety
valves.
v) Water contained in the Megaflo unit may be very hot, especially following a thermal
control failure. Caution must be taken when drawing water from the unit.
9.2 SPARE PARTS
A full range of spare parts are available for the Megaflo range. Refer to the Technical Data
label on the unit to identify the model installed and ensure the correct part is ordered.
Description
Part no.
Immersion heater (lower)
95 606 963
Immersion heater (upper)
95 606 964
Immersion heater gasket
95 611 822
Immersion heater backnut
95 607 869
Immersion heater key
95 607 861
Immersion heater blanking plug
95 605 881
Tundish
95 605 838
Expansion relief valve cartridge - 8bar
95 605 870
Expansion valve complete
95 607 028
Cold water combination valve body incl. isolating valve
95 605 029
Check valve housing
95 605 028
Pressure reducing valve cartridge - 3bar
95 605 026
Pressure reducing valve housing
95 605 027
Cold water combination valve complete
95 605 021
Temperature/pressure relief valve
95 605 810
Expansion core unit
95 605 041
Swept tee
95 605 812
Set of compression nuts and olives
95 607 838
Drain valve
95 605 051
Insulation set (T&P relief valve)
95 607 089
Direct units only:
Combined thermostat/thermal cut-out
95 612 026
Terminal cover
95 607 836
Accessory kit (direct)
95 607 157
Indirect (CL) units only:
2-port motorised valve
95 605 819
Indirect thermostat
95 612 697
Indirect thermal cut-out
95 612 698
Terminal cover
95 607 837
4 way terminal block
95 607 902
Wiring centre
95 607 008
Accessory kit (indirect)
95 607 091
9
Fault Finding & Servicing
Fault Finding & Servicing
