Pump installations tend to require a great number of spool pieces to meet the Hydraulic Institute’s and the equipment manufacturers’ recommendations. Before we get into …
Hydronic Pump Piping and Trim: Suction Diffuser Fittings
Pump suction piping is one of the areas where problems of frequent repair or noise will originate. There is a lot of confusing information out …
Hydronic Pump Piping and Trim: Suction Side
The pump suction piping and specialties are somewhat simple but can be a cause of headaches if a few simple rules are forgotten. This week …
Hydronic Pump Piping and Trim: Check Valves
The R. L. Deppmann Monday Morning Minutes reviewed pipe sizing and flexible connectors over the past few weeks. Today we turn our attention to check valves …
Hydronic Pump Piping and Trim: Should I use a Stainless Steel Flexible Connector?
Last week, the R. L. Deppmann Monday Morning Minutes introduced reasons why flexible connectors are used on pumps. This week the subject is the stainless …
Designing Domestic Hot Water Recirculation Systems: Part 3 Pump Control
In the last R. L. Deppmann Monday Morning Minute we selected a B&G Pump after determining flow rate and pump head. This week we look at …
Variable Speed and ECM Smart Pumps in Domestic Hot Water Recirculation Systems
Domestic hot water supply temperatures and the recirculation system control are receiving a great deal of attention these days. Concerns about legionella growth with low-temperature …
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 …
What is an ECM Pump? – Part 1
ECM pumps and Smart pumps are marketing terms being thrown around to indicate a highly efficient variable speed pump that saves more money than you …
How to Pick an HVAC Centrifugal Pump Part 11: Best Practices for Safety and Performance
As we conclude this series on how to select a centrifugal pump for your hydronic applications, we want to leave you with the following “best …