Originally Posted by Knoxford
Nice! Thank you for the response. Is this a closed system already loaded with ammonia. Any ideas on the tear down to insert the new one? Thanks!
Other than the video, no.
The new tubing is a complete unit pre-filled with ammonia.
Now what you need to do is realize the primary cause of ammonia leakage is normally out of level operation.
If the unit is not level in the direction of the coils, liquid ammonia can "hang" in the loops of tubing and be slow to return to the boiler. This will cause the boiler to run "hot" and eventually heat harden and crack releasing the ammonia (the yellow stain you see).
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