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Gas Boiler Pump and Zone Locations
I just had my first PM down on my Triangle Tube Challenger
Gas Boiler. This PM was not done by the
original installer. He said the boiler
pump and zone circulators were not installed per Triangle Tube’s manual. His company quoted me a price of $1,050 to
re-pipe it to the owner’s manual. I
understand it is not installed per the Triangle Tube diagram, but my question
is will it cause any harm to my system the way it is now? It has been installed for 18 months, working
well with no major issues and I hate to spend this kind of money if the system
is ok as it is. I have attached some
pictures from the manual and a picture of my current set-up. From my picture you can see the boiler pump
is installed at the boiler supply connection on the left, pumping towards the
boiler. The zone circulators are in the
picture on the right. They are both
pumping downwards. The expansion tank is
located just below the boiler pump in my picture. I also believe, based on feeling the
supply and return connections when the unit calls for heat, that the flow is
from left to right through the boiler, not right to left. I
hope this makes sense and that someone can chime in as to whether or not I can
leave well enough alone.