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Pumping from an Atmospheric Tank: Pump and Tank Piping (Part 2)

Norm Hall December 19, 2022Pumps, NPSH, Selection and Specification, Monday Morning Minutes

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 …

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Bell and GossettpumpsPipingTanksNorm Hall

Pumping from an Atmospheric Tank: Pump Selection and Installation (Part 1)

Norm Hall December 12, 2022Pumps, NPSH, Selection and Specification, Monday Morning Minutes

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 …

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pumpsvariable speedhydrovarNorm HallBell and GossettNPSH

Heat Pump Water Heaters: Drive Down First Cost Using Hybrid Solutions (Part 11)

Norm Hall October 31, 2022Water Heaters, Plumbing System Design, Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes

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 …

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hydronic systemshydronic systemWater HeatersHydronicspumps
Lemonade Stand
Lemonade Stand

Heat Pump Water Heaters: How They Work (Part 2)

Norm Hall August 8, 2022Water Heaters, Plumbing System Design, Electric, Heat Pump Water Heaters, Heat Pump Water Heaters, Monday Morning Minutes

Heat pump water heaters have a place in the decarbonization efforts by building plumbing designers, contractors, and engineers. Heat pumps have been part of the …

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HVAC Hydronic SystemHVAC SystemsWater HeatersNorm Hallpumps
scientist vs engineer
scientist vs engineer

Circulator Pump Curves & Step Sized Selections. A Domestic Water Recirculation Example

Norm Hall May 9, 2022Pumps, Speed, Monday Morning Minutes

Circulator series pumps are those small inline pumps that have fixed impeller choices with no impeller trimming available. When these pumps have ECM technology, the …

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HydronicsNorm HallBell and GossettpumpsBoilers
how to place boiler image
how to place boiler image

Primary-Secondary or Primary-Variable Heating Systems: Which System to Choose?

Norm Hall May 2, 2022Boilers, Primary Secondary, Delta T, Monday Morning Minutes

Primary-Secondary vs. Primary-Variable hydronic boiler pumping systems each have advantages for the engineer to consider. Most people in the industry are in one camp or …

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Bell and Gossettflow ratepumpsprimary secondary prinicplesprimary variable flow systemDelta TBoilersNorm Hall
confused boiler problem
confused boiler problem

Primary Variable Heating Systems: Should I Pump Into the Boiler or Out of It?

Norm Hall April 11, 2022Boilers, Pumps, Monday Morning Minutes, Tanks, Hydronic Design, Primary Variable, Expansion and Compression Tanks, Expansion and Compression Tanks

We recently received several calls for our recommendation on whether to pump into the boiler or out of the boiler in a primary variable heating …

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hydronic systemsBoilersHydronicsNorm HallBell and GossettExpansion Tankspumpsvariable speed

Minimum Flow in a Variable Speed Pump: A Great Example

Norm Hall March 14, 2022Cooling Towers, Hydronic Design, Monday Morning Minutes, Pumps

What is the minimum flow rate a variable speed pump can provide without damage to the pump? This is a question every engineer should ask …

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HydronicsNorm HallCooling Towerspumpshydronic systems
Double Suction Pump Specification
Double Suction Pump Specification

Double Suction Pump Specification: Rotating Pump Elements

Norm Hall April 1, 2019Selection and Specification, Monday Morning Minutes, Pumps

We continue to examine the double suction pump specification for HVAC and hydronic systems. Your specification may have a paragraph or two about the shaft, …

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Rotating Pump Elementsrotating pumpDouble Suction Pump Specificationpumps
double suction pump - pump efficiency
double suction pump - pump efficiency

Bell & Gossett Hits One Out of the Park with their New Double Suction Pump

Norm Hall March 18, 2019Monday Morning Minutes, Pumps, Selection and Specification, Types

The 2019 MLB season will be starting soon and it is fitting to announce a home run by Bell & Gossett (B&G). They did it …

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Bell and Gossettpumpsdouble suction pump
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  • Products
    • Overview
    • Pumps and Accessories
    • Boilers and Water Heaters
      • Water Heater Stock
      • Boiler Stock
    • Hydronic Systems
    • Plumbing Systems
    • Steam and Condensate
    • Variable Frequency Drives (VFDs)
    • Glycol Solutions
    • Snowmelt Designs
  • System Design
    • Overview
    • Project Gallery
    • Selection and Design Tools
  • Water Solutions
  • Contractors
  • Service & Parts
    • Overview
    • Startup and Warranty
    • Parts
    • Service and Maintenance
  • Education
    • Overview
    • Basic Hydronic Blog Articles
    • Training Opportunities
    • Factory Classes
  • About RLD
    • Overview
    • Team Deppmann
    • R.L. Deppmann Locations
    • Careers
    • Community Engagement
    • Press and News