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 …
Steam Condensate Return Transfer Pump Inlet
One of our many new employees asked a valid question about cast iron condensate unit pump construction. The employee has worked in the HVAC plumbing …
Burns Park Rain Garden Clean Up
Water Quality: Capturing Stormwater Runoff When rain hits the roofs, streets, and driveways of our neighborhoods, it washes pollution into streams and rivers. Rain gardens …
Hydronic System Automatic Air Vents
There are many types of air vents in hydronic heating and cooling HVAC systems. It is not unusual to see an engineered set of drawings …