Hard water is the enemy of plumbing system water heater efficiency and life. Many water heater manufacturer’s warranties are affected by hard water precipitate. We …
The Norman E. Hall Training Center Dedication
We are proud to announce the dedication of the training center located within our Novi, Michigan R.L. Deppmann headquarters. The newly named Norman E. Hall …
Happy New Year! What You Can Expect This Quarter at Deppmann
Happy New Year! We look forward to another year of the R. L. Deppmann Monday Morning Minutes, as well as, some exciting educational seminars and …
B&G Pumps in Chlorinated Swimming Pool Applications
We often get questions about using Bell & Gossett pumps in institutional and commercial chlorinated water swimming pool applications. Here are a few suggestions about …
Ice Rink Cooling System – Commissioning the Glycol Expansion Tank
A customer recently called us about an unusual occurrence in a closed hydronic cooling system for an ice rink. The system was filled using a …
Constant Speed 2-Way Control vs. Variable Speed Pumps for Heating and Cooling Coils (Part 2)
An engineer asked a question about using a variable speed pump for air temperature control in lieu of a two-way control valve. What are the …
R.L. Deppmann Company Wins 2021 Top Workplace Award
We are proud to announce that the R.L. Deppmann Company has been named a 2021 Top Workplace by the Detroit Free Press. This is Deppmann’s …
Constant Speed 2-Way Control vs. Variable Speed Pumps for Heating and Cooling Coils (Part 1)
An engineer asked a question about using variable speed pumps for air temperature control in lieu of a two-way control valve. The question clearly makes you …
New Employee Training Pt. 1 – Mechanical Hub
In this informative article published by Mechanical Hub, R.L. Deppmann’s Norm Hall shares why you can’t afford not to invest in new employee training. According …
Hydronic Primary-Secondary Piping – How Important are the Two Close Tees?
Every year we get questions about the importance of primary-secondary piping rules around boilers and coils. Recently, I also received a call about using a …