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Engineers Prefer Packaged Mechanical Room Systems

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

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 designSteammechanical systemssystem designpackages

Flo-Control Gravity Check Valve Replacement

Norm Hall November 28, 2022Monday Morning Minutes, Valves, Hydronic Design, Control Valves, Check 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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flo-controlHydronicsBell and GossettPSIGcheck valveshydronic systemshydronic system

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

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

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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Heat ExchangersCondensingWater HeatersHydronicsNorm HallBell and Gossett
lightbulb
lightbulb

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

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

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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decarbonizationHydronicsPumpsNorm Hallhydronic systems

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

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

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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primary-secondary pipingBoilersHydronicsPumpsvariable speedhydronic systems
confused boiler problem
confused boiler problem

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

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

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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Norm HallBell and GossettExpansion Tankspumpsvariable speedhydronic systemsBoilersHydronics

Minimum Flow in a Variable Speed Pump: A Great Example

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

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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Norm HallCooling Towerspumpshydronic systemsHydronics
efficiency chart
efficiency chart

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

Norm Hall February 14, 2022Boilers, Condensing, Hydronic Design, Delta T, Delta T, 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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CondensingNorm Hallwater qualityDelta TBoilers
skating rink
skating rink

Ice Rink Cooling System – Commissioning the Glycol Expansion Tank

Norm Hall November 29, 2021Monday Morning Minutes, Expansion and Compression Tanks, Hydronic System Design, Glycol and Water Quality, Expansion/Compression Tanks, Glycols, Chilled Water, Expansion Tanks

A customer recently called us about an unusual occurrence in a closed hydronic cooling system for an ice rink. The system was filled using a …

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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