GCH15010
74
PHOTOS
DISASSEMBLY PROCEDURE
Photo 15-2
Photo 15-3
Photo 15-1
15. How to remove the HEX(Primary and Sanitary
circuit)
< HEX >
(1) Remove the front panel.
(2) Stop water flow at the water source.
(4) Drain water inside the HEX using the drain cock
(Primary circuit) and the drain cock (Sanitary
circuit). (Photo 13-4)
(5) Detach 4 quick connections.(Photo 15-1)
(6) Remove the 2 screws to remove the cover.
(Photo 15-2 and 15-3)
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(7) Remove the HEX and drain cock (Sanitary
circuit).
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and O-ring, use a new one.
From the previous page.
(3) Open the pressure relief valve cap and lower the
tank internal pressure.(Photo 12-5)
screw
cover
HEX
cover
HEX
HEX
screw
2 quick
connections
2 quick
connections