R. L. Deppmann News and Information

Tankless Commercial Service Water Heaters

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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Parallel Pumping and Motor/Drive Efficiency for Domestic Water Pressure Boosters – Part 7

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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MMM 1-25-2016 right side single pump curve 80 feet

Pumping System Efficiency for Domestic Water Pressure Boosters – Part 6

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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MMM 1-18-2016 motor efficiency from energy gov

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

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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MMM 01-04-16 hospital oad profile from BG espplus

ANNOUNCING: AERCO New MFC Dual Fuel/Dual Return Fire Tube Boiler

R. L. Deppmann is pleased to pass on the following new product announcement from AERCO. AERCO announces the new MFC Dual Fuel/Dual Return Fire Tube

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A Comparison of Domestic Water Pressure Booster Systems Part 4

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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_2MMM 01-04-16 hospital oad profile from BG espplus

Pump Options for Domestic Water Pressure Booster Systems Part 3

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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Understanding Domestic Water Booster Systems and Discharge Pressure – Part 2

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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_MMM Excel Ex

A 1962 Perspective on Pump Mechanical Seal Failures

This month’s Service Tip comes to us from the past. Appearing in the January 1962 edition of “The Suburban Contractor”,  Zaven (Ziggy) Margossian shares his

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Capacity Sizing for Domestic Water Pressure Booster Systems

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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