The engineer contacts us for assistance in selecting an indirect steam source water heater. Do you need a lot of storage, a small amount of …
Solving Minimum Flow in a Primary Variable System (Part 3)
The engineer is aware of the importance of minimum flow to the pumps in hydronic systems. The R. L. Deppmann Monday Morning Minutes Part 1 …
Minimum Flow in Variable Speed Pumps for Building Hydronic HVAC Systems (Part 2)
The HVAC engineer designing a hydronic system understands the need to protect the circulating pumps from a dead head or no flow condition. This week, …
Getting the Best Life Expectancy from your Bell & Gossett Base Mounted Pumps
You have invested in the best pump in the world, Bell & Gossett. Think of this purchase as purchasing a new car. You would make …
Deppmann Volunteers to Improve Groundwater Supply
Improving Water Quality: Capturing Stormwater Runoff in Partnership with the Xylem Watermark Program Burns Park Rain Garden Clean-Up Ann Arbor, Michigan Sunday, August 8, 2021 …
Minimum Flow in Variable Speed Pumps for Building Hydronic HVAC Systems (Part 1)
Every week a question comes into R. L. Deppmann about the minimum flow rate through hydronic pumps and the best way to achieve it. Today, …
Enter to Win: PVI AquaPLEX Contest
ENTER TO WIN: Now through December, R.L. Deppmann will be randomly selecting monthly winners to receive exciting prizes valued at up to $200 USD. …
Gas Fired Water Heaters – Multiple Units and Future Capacity
When determining the size and number of water heaters to meet the customer’s needs, there are many factors to consider. How many water heaters do …
Commercial Gas Fired Water Heaters – The Battle Between Tankless & Storage: Risk and Reward
Gas fired tankless and tank storage water heaters are choices for the consulting engineer in commercial and institutional buildings. There are many marketing pieces supporting …
PVI Turbopower Water Heater: Measurements and Combustion Analysis
There are many fine service contractors who have PVI Factory Training. However, many owners do this work with their own staff. To supplement the important factory …