Norm Hall
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January 23, 2023
We understand that the best way to determine the flow rate of an operating pump is the proper readout of gauges attached to the pump... READ MORE
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Hydronic Systems Pump Minimum Flow Methods
Norm Hall
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January 16, 2023
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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Pumping From an Atmospheric Tank: Pump and Tank Control (Part 3)
Norm Hall
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January 2, 2023
Let me start by wishing everyone a Happy and Prosperous New Year. This blog begins the 14th year of the R. L. Deppmann Monday Morning... READ MORE
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Pumping from an Atmospheric Tank: Pump and Tank Piping (Part 2)
Norm Hall
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December 19, 2022
What can be simpler than pumping water from an open or atmospheric tank into another tank or system? What seems simple to many opens a... READ MORE
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Pumping from an Atmospheric Tank: Pump Selection and Installation (Part 1)
Norm Hall
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December 12, 2022
What can be simpler than pumping water from an open or atmospheric tank into another tank or system? What seems simple to many opens a... READ MORE
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Commercial Tankless Water Heaters: O2 Trim and Controls
Norm Hall
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December 5, 2022
Gas fired water heaters remain the solution for most commercial water heater applications. Tankless gas fired water heaters are the choice of many engineers. Tankless... 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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Minimum Boiler Efficiency & New D.O.E. Standards
Norm Hall
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November 21, 2022
The United States Department of Energy (DOE) has some minimum efficiency standards which go into effect on January 10, 2023, for Commercial Packaged Boilers. What... READ MORE
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Many heat pumps used in Ohio and Michigan are water source for comfort heating and cooling. Today, we want to look at the opportunity to... READ MORE
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