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boiler
boiler

What is a Flexible Tube Condensing Boiler? Why My Client May Want It

Norm Hall May 16, 2022Boilers, Condensing, Selection and Specification, Monday Morning Minutes

Heating and cooling service contractors take the brunt of complaints over the high cost of condensing boiler repairs. A high efficiency condensing boiler heat exchanger …

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BoilersCondensingHydronicsNorm Hallhydronic systems

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

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

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, 2022Tanks, Hydronic Design, Primary Variable, Expansion and Compression Tanks, Expansion and Compression Tanks, Boilers, Pumps, Monday Morning Minutes

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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BoilersHydronicsNorm HallBell and GossettExpansion Tankspumpsvariable speedhydronic systems

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
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
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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