6-6
Step 9 - Fill the System with approximately 16
litres (4 US gallons) of –50
o
C (-58 F) propylene
glycol based plumbing antifreeze to 2” above the
bottom of the prefilter cavity. Propylene glycol
antifreeze is available at most hardware or
department type retail stores.
Step 10 - Unplug the outlet pipe on the System side
to “open the outlet” by removing the ¾” PVC plug.
Remove approximately 4 litres (1 US gallon) from
the System into an empty propylene glycol based
container. Close the outlet pipe by replugging the
outlet pipe with the ¾” PVC plug. Discard the
collected fluid in accordance with the
manufacturers directions and save the container.
Step 11 - Save all empty antifreeze containers for
the spring.
Step 12 - If using a Stainless Steel Prefilter, replace
the Stainless Steel Prefilter.
Step 13 - Replace the System Cap using the Cap
Wrench.
Step 14 - Check drain plug and outlet plug are
closed snug. Make sure there are no leaks. System
is ready for the winter.
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