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Chris High-Efficiency Furnace Quiz February 4, 2022, 8:13 pm
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Purge Your Hoses
The title says it all. It should be one of the first things you learn when you started. However, I have seen a lot of experienced techs who seldom (if ever) do it. When connecting to a tank, purge your hose by cracking the center connection at the manifold for a second. When connecting to […]Read more
An Old Timer's Trick to Get Unstuck
I once had an old commercial blower assembly on a 20-ton package unit, and the bearings and pulleys were seriously shot. I was 19 or 20, and as much as I tried, I just couldn't get the rusted hunk of metal apart. I tried penetrating oil, pullers, pry bars… I knew better than to beat […]Read more
What is the Difference Between ACH & ACH50?
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