Minimum pump flow rate is critical to the trouble-free operation and longevity of the centrifugal pump. In the last blog we described the use of... READ MORE
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Pump Minimum Flow Using a Cla-Val Back Pressure Valve
Norm Hall
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January 9, 2023
Minimum pump flow rate is critical to the trouble-free operation and longevity of the centrifugal pump. The pressure sustaining valve or back pressure valve is... READ MORE
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Flo-Control Gravity Check Valve Replacement
Norm Hall
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November 28, 2022
You have a Bell & Gossett Flo-Control valve on the primary secondary bridge of an older hydronic system. It has been there for over five... READ MORE
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Many heat pumps used in Ohio and Michigan are water sources for comfort heating and cooling. Today, we want to look at the water source... READ MORE
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The owner of a local engineering firm recently said to me, “First cost and space are key discussion points in any building design.” First cost... READ MORE
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Hot water availability in many commercial and institutional buildings is critical. Engineers also know that these service water systems are generously sized for the peak... READ MORE
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How does the commercial heat pump water heater, using the preferred R-744 refrigerant, handle the domestic hot water recirculation load? The R-744 (carbon dioxide) heat... READ MORE
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Decarbonization does not always automatically become electrification. The enterprising engineer will first look at diverse ways to reduce the carbon use. Here is an example... READ MORE
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Top 10 Things You Should Know About Commercial Electric Boilers (Part 2)
Norm Hall
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June 6, 2022
Welcome back to Part Two of our top 10 things to know about commercial electric boilers. As mentioned last week, HVAC and Plumbing Engineers are... READ MORE
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Top 10 Things You Should Know About Commercial Electric Boilers (Part 1)
Norm Hall
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May 30, 2022
HVAC and Plumbing Engineers are discussing more decarbonization and electrification of systems with their clients. The use of electric boilers vs. gas fired condensing boilers... READ MORE
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