Rinnai GTK03U Installation Instructions Manual page 5

7. Install the hot water assembly onto the union nut from step three (Figure 7).
Figure 7
Hot water
assembly
8. Connect the cold water manifold assembly to the inlet of the pump. Ensure the pump union
gasket is in place before connecting (Figure 8).
Figure 8
GTK03U Pump Kit Assembly Instructions
3/4 in. union
nut
Cold water
manifold
assembly
Pump union
gasket
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