We are proud to share that R.L. Deppmann president and CEO, Bob Van Goor, was inducted as the 48th president of the Fluid Handling Representatives …
Primary-Secondary or Primary-Variable Heating Systems: Which System to Choose?
Primary-Secondary vs. Primary-Variable hydronic boiler pumping systems each have advantages for the engineer to consider. Most people in the industry are in one camp or …
Primary-Secondary Variable Heating Systems: Should I Pump Into the Boiler or away from It?
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 …
Domestic Hot Water Recirculation Systems eBook
The design of a domestic water recirculation system is critical for commercial and institutional buildings. Today, R. L. Deppmann launches a new resource to assist …
Primary Variable Heating Systems: Should I Pump Into the Boiler or Out of It?
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 …
What to Do with Steam Leaving a Flash Tank: Simple Example
We received a call from one of our wholesalers with an industrial customer experiencing a flash tank issue. The industrial customer was using 50 PSIG …
New Executive Management Team Members
We are proud to introduce the next generation of the R.L. Deppmann Executive Management Team (EMT). Please join us in congratulating Tim Miller, Matt Overweg, …
Minimum Flow in a Variable Speed Pump: A Great Example
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 …
Heat Pump Water Heaters – Will They Save the World?
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 …
Condensing Boiler Efficiency and Your Boiler Schedule
The marketing directive is clear in the hydronic condensing boiler world. Make sure you highlight high efficiency in every boiler advertisement and bulletin. So before …