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Existing Hydronic System Volume Calculations

Norm Hall February 13, 2023 Expansion and Compression Tanks, Expansion and Compression Tanks, Glycol and Water Quality, Hydronic Design, Monday Morning Minutes, Tanks

During a recent visit to a K-12 school hydronic system, I was asked if there was a way to determine the total system volume. My tongue …

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Compression tanksExpansion and Compression tanksExpansion Tanksglycolhydronic system designTankswater quality

Packaged Mechanical Systems: Contractor Advantages

Norm Hall February 6, 2023 Hydronic Design, Monday Morning Minutes, Packages, Packages, Steam

The use of packaged systems in the mechanical room design has distinct advantages for engineers. Why would a contractor ever consider a hydronic, steam, or …

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contractorsmechanical systemspackaged mechanical systems

Engineers Prefer Packaged Mechanical Room Systems

Norm Hall January 30, 2023 Hydronic Design, Monday Morning Minutes, Packages, Packages, Steam

What is a Mechanical Room Package? A packaged piece of equipment is simply a number of components, pre-piped, wired, and with controls. The components are …

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hydronic designmechanical systemspackagesSteamsystem design

Flo-Control Gravity Check Valve Replacement

Norm Hall November 28, 2022 Check Valves, Control Valves, Hydronic Design, Monday Morning Minutes, Valves

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 …

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Bell and Gossettcheck valvesflo-controlhydronic systemhydronic systemsHydronicsPSIG

Hot Water Heater Decarbonization: Using Condenser Water to Pre-Heat the Incoming Cold-Water

Norm Hall June 13, 2022 Heating, Monday Morning Minutes, Plumbing System Design, Water Heaters

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 …

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Bell and GossettCondensingHeat ExchangersHydronicsNorm HallWater Heaters
lightbulb
lightbulb

Carbon Reduction is the Dream. Here’s How to Make it a Good One.

Norm Hall May 23, 2022 Decarbonization, Decarbonzation, Hydronic Design, Plumbing System Design

Carbon reduction in building design is critical to the lifestyle of our future generations. Most engineers and their owner clients understand the concerns and welcome …

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decarbonizationhydronic systemsHydronicsNorm HallPumps

Primary-Secondary Variable Heating Systems: Should I Pump Into the Boiler or away from It?

Norm Hall April 25, 2022 Boilers, Hydronic Design, Monday Morning Minutes, Primary Secondary Piping, Primary Variable

Previously, the R. L. Deppmann Monday Morning Minutes looked at pump location in a primary-variable boiler heating system. We made a very definitive statement about …

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Boilershydronic systemsHydronicsprimary-secondary pipingPumpsvariable speed
confused boiler problem
confused boiler problem

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

Norm Hall April 11, 2022 Boilers, Expansion and Compression Tanks, Hydronic Design, Monday Morning Minutes, Primary Variable, Pumps, 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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Bell and GossettBoilersExpansion Tankshydronic systemsHydronicsNorm HallPumpsvariable speed

Minimum Flow in a Variable Speed Pump: A Great Example

Norm Hall March 14, 2022 Cooling 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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Cooling Towershydronic systemsHydronicsNorm HallPumps
efficiency chart
efficiency chart

Condensing Boiler Temperature Reset for Increased Efficiency (Part 3 of 4)

Norm Hall February 14, 2022 Boilers, Condensing, Delta T, Delta T, Hydronic Design, Monday Morning Minutes

We are continuing with the series on Condensing Heating System Efficiency. Today, we are discussing condensing boiler temperature reset for increased efficiency. Hydronic condensing heating …

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BoilersCondensingDelta TNorm Hallwater quality
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  • Products
    • Overview
    • Pumps and Accessories
    • Boilers and Water Heaters
    • Hydronic Systems
    • Plumbing Systems
    • Steam and Condensate
    • Variable Frequency Drives (VFDs)
    • Glycol Installation
    • Snowmelt Designs
  • System Design
    • Overview
    • Project Gallery
    • Selection and Design Tools
  • Contractors
  • Service & Parts
    • Overview
    • Startup and Warranty
    • Parts
    • Service and Maintenance
  • Education
    • Overview
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    • Factory Classes
  • About RLD
    • Overview
    • Team Deppmann
    • R.L. Deppmann Locations
    • Careers
    • Community Engagement
    • Press and News