HVAC

Tender loving care

Feature Story Radiant heat’s the natural choice for a home installing a daycare center By Chris Kastner A Weil-McLain Ultra oil boiler was selected to provide the power for the daycare center’s radiant-heating system. If you’re planning to open a daycare center in the basement of your new home, it makes perfect sense to provide in-floor heating, especially if it’s ...

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Fluepipe design, Part 3

Feature Story By George Lanthier Time to do some sizing of multiple-unit fluepipes and wrap this series of articles up. We finished in the last article with the sizing of everything but the common vent pipes and a discussion about the transitions.What about those transitions, and again, there’s a right way and a wrong way. In Figure 1, courtesy of ...

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Fluepipe design, Part 2

Feature Story By George Lanthier OK, if you remember in the last article we looked at fluepipe design and what it really takes to do it right. Last month we looked at single units, this month it’s multiple units. Keep in mind that I’m continuing to follow the NFPA Standards, NFPA31 and 211, for this subject, and both NFPA and ...

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Fluepipe design, Part I

Feature Story By George Lanthier You might look at the title of this article and figure, ‘Oh boy, what’s this now!” Well, as it turns out, I’m learning that fluepipe design is not as easy as some people think it is. In fact, when it comes to the codes and good industry practice, many are doing it very wrong. As ...

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A ‘two-step” approach

A burner with the two-step pump is a lot easier to work on and set up In two previous articles we looked at the setting and adjustment of damper motors and the servicing of the linkage on commercial burners equipped with that type of damper. In this article we will take a closer look at one of the pumps that ...

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Education wagon train

Feature StoryCarlin, Dynatherm team to bring technician training to the masses Many years ago, this nation was founded by pioneers who traveled across the country and opened new horizons for all of us. Many of the wagons used by these stalwart souls were the venerable Conestoga wagon, a tried and proven product built in Pennsylvania. Last fall, a different type ...

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Noise and moisture, Part II

Feature StoryA doctor’s stethoscope may be your most important tool in diagnosing chimney problems By George Lanthier I know I left you hanging last month, but I didn’t want to give the best part away, so finally, my $64,000 solution to the noise problem. Remember my ‘Lanthier’s Laws” article about noises and using a stethoscope? Well, as it turns out, ...

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Noise and moisture, Part I

Feature Story Using ‘scare tactics” may be necessary when installing a new heating system by george lanthier Without a doubt, one of the things that has plagued us as an industry for some time now are the complaints about operating noise. Regretfully, we also have a paradox. It has been proven time and time again that new oil burners in ...

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Boiler & Hydronic Equipment Roundup

Cover StoryBoiler & Hydronic Equipment RoundupA selection of ‘wet heat” products for indoor comfort Here’s a selection of products chosen to provide an overview of the technologies available in ‘wet heat.” It is by no means a complete list of equipment currently on the market, just a sampling. Amtrol’s BoilerMate line of indirectsBoilerMate from Amtrol, Inc. offers the industry’s most ...

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Damper motor troubleshooting, Part II

Feature Story By George Lanthier Last time we looked at setting the damper motors and the servicing of the linkage on commercial burners equipped with a damper. In this article, we’ll look at the controls that make these burners operate. When used to their full abilities, they can save a customer 20 percent or more on their oil bill. It’s ...

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