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Minimum Flow in a Variable Speed Pump: A Great Example

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

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
aegis w swing tank
aegis w swing tank

Heat Pump Water Heaters – Will They Save the World?

Norm Hall March 7, 2022Electric, Monday Morning Minutes, Pumps, Water Heaters, Pool Heaters, Gas Fired

Decarbonization and Electrification are two terms which may bring both fear and hope to plumbing engineers and gas fired water heater manufacturers. The hope is …

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LyncWater HeatersPumpsTanksNorm Hall
Thermal Efficiency of BMK3000
Thermal Efficiency of BMK3000

Condensing Boiler Staging & Dual Return for Higher Efficiency (Part 4 of 4)

Norm Hall February 21, 2022Monday Morning Minutes, Boilers, Condensing, Efficiency

An engineer uses larger temperature differences and deep reset when designing a condensing hydronic heating system. The design may utilize staging of multiple boilers in …

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Delta TBoilersCondensingHydronicsNorm Hallhydronic systemshydronic system
efficiency chart
efficiency chart

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

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

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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Delta TBoilersCondensingNorm Hallwater quality
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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