R.L. Deppmann is proud to be recognized by Wessels Company for our exceptional sales performance in 2024. This award reflects the dedication of our team …
Happy Memorial Day from R.L. Deppmann
Today, we remember those who gave everything for our freedom. We honor their legacy and wish you a peaceful and reflective holiday.
Using ECM Smart Circulator Pumps in Primary Pump Applications in Hydronic Systems
Last week I featured the ECM High-Efficiency Smart Circulator Pump used in a secondary application. This week the R.L. Deppmann Monday Morning Minutes continues to …
Using ECM Smart Pumps in Secondary Hydronic Systems
ECM (Electronically Commutated Motor) pumps have electronics built into them which may be used to vary the speed of the pump. If the pump manufacturer …
Smart ECM Pump Applications – Variable Speed Heating & Cooling System
ECM (Electronically Commutated Motor) pumps have electronics built into them which may be used to vary the speed of the pump. If the pump manufacturer …
How Can an ECM Smart Pump Save Energy?
Pumps with ECM or Electronically Commutated Motors have the ability to vary the speed of the pump built into the motor. Can you control the …
Happy Easter from R.L. Deppmann!
Wishing you a joyful Easter, from all of us at R.L. Deppmann.
Create a New Variable Speed Pump Control Curve after Hydronic Balancing
This week, the R. L. Deppmann Monday Morning Minutes will explain how to show multiple speeds on a pump curve and how to determine what …
Hydronic Pump Balance Using the Variable Speed Drive (VFD) with No Balance Valve on Pump
When there is no hydronic pump discharge balance valve, the variable frequency drive (VFD) is an important part of the balance procedure. How does the …
Hydronic Pump Balance using the Variable Speed Drive (VFD) with Assistance from a Triple Duty Valve
Most centrifugal pumps in heating and cooling systems have some oversizing in the head calculation. Once the HVAC hydronic system is proportionally balanced per ASHRAE …