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Ummm no …
Pull the stat, all hoses connect as usual.
Fill the system with soap and water, run till to operating temp is reached, let run for several minutes.
Let it cool down, rinse and repeat as necessary.
Then flush using a chemical flushing agent as directed
Might invest in a PRESTONE flush kit:
Install the flushing TEE as directed makes life so much easier.
Remember to use distilled water.
- This reply was modified 1 week, 6 days ago by Richard Kirshy.