Rheem Water Heater - Manual (Page 75)

DRAINING THE WATER HEATER
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in line from the solar circuit relief valve at the top of the
from the solar circuit relief valve
• Disconnect the dra
solar storage tank. Remove the spring clip
and remove the valve.
Warning: The solar circuit may be under pressure. Take care when
relief valve, as a sudden discharge of pressurised
ienced. This discharge will create a sharp sound of
• ain valve and remove the plug from the end of
• and drain the closed circuit fluid
contain up to 16 litres of closed circuit fluid.
The closed circuit fluid contains food grade additives (rust inhibitor, anti-
colour) and is harmless to the environment. However, it is
ny excess closed circuit fluid and remove from
removing the solar circuit
hot vapour may be exper
vapour being released.
Open the heat exchanger dr
the hose.
The closed circuit fluid will flood the hose.
Place the end of the hose into a container
from the heat exchanger.
Note: The heat exchanger can
A suitably sized container should be used to accommodate this amount of
fluid.
freeze agent,
good practice to recover a
site for appropriate disposal.