Attach the pre-plumbed pump-to-heater assembly to the circu-
lation pump. Again, make sure that the pump union o-ring is
seated properly prior to installing. Fig. 40.
Fig. 40
Position and attach the heater-controller to the pre-plumbed
pump-to-heater assembly. Make sure the T gasket, located in the
plumbing parts bag, is seated properly prior to tightening the
heater-controller union nut. Fig. 41.
T-Gasket
Heater-Controller
Fig. 41
At the outlet of the heater controller, attach the pre-plumbed
heater-to-return assembly. Again, make sure the T gasket is seat-
ed properly prior to tightening the heater-controller union nut.
Fig. 42
Fig. 42
Attach the opposite end of the pre-plumbed heater-to-re-
turn assembly to the return thru-wall tting. is should be
done by unthreading the pre-plumbed adapter from the union of
the heater-to-return assembly rst. Wrap Teon tape around the
threads of the adapter. en, thread the adapter into the return
thru-wall tting. Finally, attach the union of the heater-to return
assembly to the threads of the pre-plumbed adapter. Fig. 43
Fig. 43
19
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