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Volume Water Heater Temperature Mixing Rule# 3
Volume Water Heater Temperature Mixing Rule# 3

Water Heater Efficiency in Tankless vs. Volume Water Heaters

Norm Hall February 15, 2016Gas Fired, Hot Water Systems, Tankless, Tankless, Water Heaters, Monday Morning Minutes, Water Heaters, Plumbing System Design

There are two parts to the real story behind tankless water heaters and volume water heaters: energy and cost of ownership. This week, we look at …

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volume water heaterwater heater efficiencytankless water heaterWater heater
Aerco Innovation Tankless High Efficiency condensing water heater
Aerco Innovation Tankless High Efficiency condensing water heater

Piping in a Tankless Water Heater vs. Volume Water Heaters

Norm Hall February 8, 2016Tankless, Tankless, Water Heaters, Monday Morning Minutes, Water Heaters, Plumbing System Design, Gas Fired, Hot Water Systems

Service water heaters may be tank-type heaters, volume water heaters, or tankless heaters. How is the piping in a tankless water heater different from the more traditional …

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hot water systemsvolume water heatersWater Heaterstankless water heaters
Innovation Tankless Commercial Service Water Heaters
Innovation Tankless Commercial Service Water Heaters

Tankless Commercial Service Water Heaters

Norm Hall February 1, 2016Tankless, Tankless, Water Heaters, Monday Morning Minutes, Water Heaters, Plumbing System Design, Gas Fired, Hot Water Systems

Fueled by news articles and industry blogs associating Legionnaire’s disease with domestic water heating, we’ve received more inquiries about the Aerco Innovation series of tankless water …

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hot waterWater Heaterstankless water heaters
Curve for the pump rated 1000 GPM at 100 feet and 40 HP. The control head is 80 feet
Curve for the pump rated 1000 GPM at 100 feet and 40 HP. The control head is 80 feet

Parallel Pumping and Motor/Drive Efficiency for Domestic Water Pressure Boosters (Part 6)

Norm Hall January 25, 2016Pumps, Pressure Boosters, Plumbing System Design, Pressure Boosters, Monday Morning Minutes

In the last Monday Morning Minutes post, we explored motor and drive efficiency at part load conditions as a possible reason for the rule of …

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Motor Part Load Efficiency as a Function of Percent Full-Load Efficiency
Motor Part Load Efficiency as a Function of Percent Full-Load Efficiency

Pumping System Efficiency for Domestic Water Pressure Boosters – Part 6

Norm Hall January 18, 2016Monday Morning Minutes, Pumps, Pressure Boosters, Plumbing System Design, Pressure Boosters

In last week’s Monday Morning Minutes (MMM) post, we offered some rules of thumb about using 100% standby pressure booster systems versus 50%-50% staged systems. So, why do …

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load profile for the Hospital Building plumbing system
load profile for the Hospital Building plumbing system

Cost Analysis of Domestic Water Pressure Booster System Capacity Sizing Part 5

Norm Hall January 11, 2016Pumps, Pressure Boosters, Plumbing System Design, Pressure Boosters, Monday Morning Minutes

In last week’s Monday Morning Minutes (MMM) post, we looked at two different load profiles and introduced a capacity example with a range of variability …

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Bell and Gossett ESP-PLUS pump selection program.
Bell and Gossett ESP-PLUS pump selection program.

A Comparison of Domestic Water Pressure Booster Systems Part 4

Norm Hall January 4, 2016Monday Morning Minutes, Pumps, Pressure Boosters, Plumbing System Design, Pressure Boosters

Happy New Year!  We hope that your 2016 is filled with good news personally, and a healthy business. In last week’s Monday Morning Minutes post, we …

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Pump Options for Domestic Water Pressure Booster Systems Part 3

Norm Hall December 28, 2015Monday Morning Minutes, Pumps, Pressure Boosters, Plumbing System Design, Pressure Boosters

In the last two R. L. Deppmann Monday Morning Minutes posts, (MMM) we selected the design and minimum pressures required for a pressure booster system. …

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design conditions for selecting the booster system and the minimum conditions at times
design conditions for selecting the booster system and the minimum conditions at times

Understanding Domestic Water Booster Systems and Discharge Pressure – Part 2

Norm Hall December 21, 2015Monday Morning Minutes, Pumps, Pressure Boosters, Plumbing System Design, Pressure Boosters

In last week’s Monday Morning Minutes post, we defined the information needed to determine if a pressure booster is required. We also discussed what pressure …

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Capacity Sizing for Domestic Water Pressure Booster Systems
Capacity Sizing for Domestic Water Pressure Booster Systems

Capacity Sizing for Domestic Water Pressure Booster Systems

Norm Hall December 14, 2015Monday Morning Minutes, Pumps, Pressure Boosters, Plumbing System Design, Pressure Boosters

For information on the Hunters Curve Pressure Booster Prize Recipients, please check out the official announcement in the R.L. Deppmann announcements section. In the next …

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  • Products
    • Overview
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      • Water Heater Stock
      • Boiler Stock
    • Hydronic Systems
    • Plumbing Systems
    • Steam and Condensate
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    • Glycol Solutions
    • Snowmelt Designs
  • System Design
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  • Water Solutions
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  • About RLD
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