Carbon reduction in building design is critical to the lifestyle of our future generations. Most engineers and their owner clients understand the concerns and welcome …
Primary-Secondary Variable Heating Systems: Should I Pump Into the Boiler or away from It?
Previously, the R. L. Deppmann Monday Morning Minutes looked at pump location in a primary-variable boiler heating system. We made a very definitive statement about …
Heat Pump Water Heaters – Will They Save the World?
Decarbonization and Electrification are two terms which may bring both fear and hope to plumbing engineers and gas fired water heater manufacturers. The hope is …
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 …
What are ECM Pumps & ECM Smart Pumps
Last week, I defined ECM motors and how they differ from standard PSC and induction motors. We recently had a customer call who was very …
Pump Cavitation
“Pump cavitation is, by definition, the formation and subsequent collapse or implosion of vapor bubbles in a pump. This usually occurs when gaseous bubbles are …
How Water Quality and Seal Selection Affect Hydronic Systems
The water quality in hydronic systems directly affects the performance and life expectancy of the components in the systems. Total dissolved solids (TDS) and pH …
How to Determine Impeller Size with Shut-off Head
Here is a quick way to determine impeller size from the No Flow point on the pump curve. Tools needed: 1) Pump curve. Select the …
Coupler and Motor Bracket
In this service tip of the month, we discuss small 3-piece circulators and the importance of using the correct coupler and motor mounts to ensure continued …
How to Identify a Bell & Gossett Pump
This month’s Service Tip comes to us from Customer Service Representative Leigh Janssen. Need to identify a Bell & Gossett pump for repair or replacement? You …