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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

Permanent Magnet (PMAC) Motors & Electrically Commutated (ECM) Motors in Hydronic Systems (Part 3 of 3)

Norm Hall December 27, 2021 Hydronic Design, Monday Morning Minutes, Pumps

You understand the differences between premium efficiency (IE3) motors and PMAC or ECM motors (IE4&5). You understand the cost implications of both styles of motors. …

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hydronic systemsHydronicspumps
IEC motor efficiency graph
IEC motor efficiency graph

Permanent Magnet (PMAC) Motors & Electronically Commutated (ECM) Motors in Hydronic Systems (Part 2 of 3)

Norm Hall December 20, 2021 Hydronic Design, Monday Morning Minutes, Pumps

Can I and should I specify permanent magnet motors (PMAC) on my hydronic system pumps? The last R. L. Deppmann Monday Morning Minutes showed the …

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hydronic systemsHydronicsNorm Hallpumps
skating rink
skating rink

Ice Rink Cooling System – Commissioning the Glycol Expansion Tank

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

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
    • 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
    • Training Opportunities
    • Factory Classes
  • About RLD
    • Overview
    • Team Deppmann
    • R.L. Deppmann Locations
    • Careers
    • Community Engagement
    • Press and News