![Heatrae Sadia ELECTROMAX SOLAR Installation & Servicing Instructions Manual Download Page 62](http://html.mh-extra.com/html/heatrae-sadia/electromax-solar/electromax-solar_installation-and-servicing-instructions-manual_2117669062.webp)
62
8.12 SOLAR AIR VENT & CHECK VALVE
Fully drain the solar primary circuit.
1.
Un clip and remove the solar flow pipework from the domestic hot water cylinder.
2.
Undo the two compression connections to the solar air vent and check valve
3.
Replace the solar air vent and check valve. Re connect the two compression connections.
4.
Fit and re clip the solar flow pipework to the domestic hot water cylinder.
FIGURE 39: SOLAR PRIMARY SYSTEM COMPONENTS
FLOW METER
COMPRESSION FITTING
AIR VENT AND
CHECK VALVE
SOLAR PRESSURE
RELIEF VALVE
COMPRESSION
FITTING
COMPRESSION
FITTING
SOLAR FLOW
SOLAR RETURN
PIPE CLIPS
CHECK VALVE (RETURN)
COMPRESSION FITTING
SOLAR THERMAL CUT OUT
(BEHIND COVER)