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9 units

jrbayside
Member Posts: 81
I have 1 riser that doesnt get hot, it leaves the bioler hot runs about 90 feet before it goes vertical. Its hot until about 5 feet from the vertical pipe. Would a main vent help the problem?
0
Comments
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cold riser
what was the result of the tests we suggested you run with the radiator vents?
main vents are definitely needed.--nbc0
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