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 …
Water Heater Thermal Expansion Tank Sizing Safety Factors
In the last R. L. Deppmann Monday Morning Minutes we used the Bell & Gossett Systemwize selection program to size and select a water heater …
Thermal Expansion Tank Sizing: Bell & Gossett Systemwize
In the last R. L. Deppmann Monday Morning Minute we covered some thoughts on the use of code vs. non-code hot water expansion tanks. Why …
Thermal Expansion Tanks: When is the ASME Label Required?
One of the more frequent questions we are asked has to do with ASME label requirements for the thermal expansion tank on water heaters. When …
Designing Domestic Hot Water Recirculation Systems: Part 3 Pump Control
In the last R. L. Deppmann Monday Morning Minute we selected a B&G Pump after determining flow rate and pump head. This week we look at …
Designing Domestic Hot Water Recirculation Systems: Part 2 Determining the Pumping Pressure Drop
The purpose of the domestic water recirculation system is to deliver hot water near a fixture during times when there is no draw. If someone …