The Department of Energy (DOE) Standards for centrifugal pumps will start to affect construction projects that you are designing today. These standards for minimum pump …
Domestic Water Recirculation: Residential and Small Commercial
We have all experienced the long wait for hot water to get to the master bath or the kitchen sink. Gallon after gallon of water …
Point of Use Pressure Boosting
There are terms developed inside the walls of R L Deppmann which may not be commonly used in the plumbing industry. When it comes to …
ECM Smart Pumps in Domestic Hot Water Recirculation – B&G Temp Setter™
ECM Smart Pump technology seems to be the buzz in marketing and sales of hydronic and plumbing products. There is a definite advantage to ECM …
Temperature Balancing Valves with Bypass Options in Domestic Water Recirculation Systems
In the last R. L. Deppmann Monday Morning Minutes, we introduced the newest addition to the art of balancing in domestic hot water recirculation systems …
Temperature Balancing Valves in Domestic Water Recirculation Systems
In last week’s R. L. Deppmann Monday Morning Minutes, I reviewed the Bell & Gossett Circuit Setter manual balancing solution and suggested that it is …
Flow Balancing Valves in Domestic Water Recirculation Systems
The prevention of Legionella growth in plumbing systems is a topic on most of our minds. As a result, plumbing industry standards are paying a …
AHRI Includes Plate Heat Exchanger Testing – FAQs
The ASHRAE Energy Standard 90.1 and the 2015 Michigan Energy Code require the AHRI plate heat exchangers used in heating and cooling applications be tested …
Over-Speeding of B&G Variable Speed Pumps
I hope everyone had a wonderful Thanksgiving celebration. Here at Deppmann, we are thankful for the great industry we serve and the great people who …
Bell & Gossett ESP-Systemwize: Personalize It!
This short R. L. Deppmann Monday Morning Minutes again features the ESP-Systemwize pump selection program from Bell & Gossett. There is a great deal of information on the selection results. How do limit what I see on a day to day basis and how can I see my comfortable traditional “Oak Tree” curves?