David Richardson
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Carbon Monoxide: Where’s the Draft?
By David Richardson A condition that concerns many technicians is when they measure no draft pressure in a flue. The display on their draft gauge […]
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Carbon Monoxide: Remembering Rudy
By David Richardson Our industry suffered a great loss on the evening of July 28th. Rudy Leatherman, a former carbon monoxide (CO) trainer with Bacharach, […]
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Carbon Monoxide: Three Important Combustion Analyzer Maintenance Tasks
By David Richardson In the middle of summer, most HVAC professionals don’t think about combustion testing. While I don’t agree with this mindset, I understand […]
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Carbon Monoxide: A Look at Side-Wall Power Venters
By David Richardson Side-wall power venters are an excellent venting option for non-condensing, fuel-fired equipment. They are an alternative to consider when an existing flue […]
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Carbon Monoxide: Consider the Door Switch
By David Richardson If you’re an HVAC technician who works on gas furnaces, you’ve encountered a bad door switch. Most of us would admit that […]
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Carbon Monoxide: Installing Flue Pipe Test Ports
By David Richardson A controversial topic among contractors, auditors, and inspectors is if it’s acceptable to install a flue test port for combustion safety tests. […]
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Carbon Monoxide: Four Obstacles to CO Safety Testing
By David Richardson Carbon monoxide (CO) poisoning is one of those scary issues that most HVAC professionals hope to never encounter. As with many frightening […]
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Carbon Monoxide: Don’t Forget the Gas Lines
By David Richardson A few months ago, there was an unfortunate story in the national news about what occurs when gas leaks aren’t discovered and […]
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Carbon Monoxide: Three Airflow Impacts on Combustion Safety
By David Richardson Fuel-fired appliances need controlled and consistent combustion air for safe operation. If this fact is ignored, the results can be deadly. Equipment […]
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Carbon Monoxide: Be Thankful for the Mentors in Your...
By David Richardson In September 2019, I found out that Jim Haney – director of the Bluegrass and Great Lakes HVAC Insider newspapers planned to […]