Featured image for “What is a Flexible Tube Condensing Boiler? Why My Client May Want It”
Norm Hall
 / 
May 16, 2022
Boilers
, 
Condensing
, 
Monday Morning Minutes
, 
Selection
Heating and cooling service contractors take the brunt of complaints over the high cost of condensing boiler repairs. A high efficiency condensing boiler heat exchanger... READ MORE
Printer Friendly (PDF)
Featured image for “Circulator Pump Curves & Step Sized Selections. A Domestic Water Recirculation Example”
Norm Hall
 / 
May 9, 2022
Monday Morning Minutes
, 
Pumps
, 
Speed
Circulator series pumps are those small inline pumps that have fixed impeller choices with no impeller trimming available. When these pumps have ECM technology, the... READ MORE
Printer Friendly (PDF)
Featured image for “Primary-Secondary or Primary-Variable Heating Systems: Which System to Choose?”
Norm Hall
 / 
May 2, 2022
Boilers
, 
Delta T
, 
Monday Morning Minutes
, 
Primary Secondary
Primary-Secondary vs. Primary-Variable hydronic boiler pumping systems each have advantages for the engineer to consider. Most people in the industry are in one camp or... READ MORE
Printer Friendly (PDF)
Featured image for “Primary-Secondary Variable Heating Systems: Should I Pump Into the Boiler or away from It?”
Norm Hall
 / 
April 25, 2022
Boilers
, 
Hydronic Design
, 
Monday Morning Minutes
, 
Primary Secondary Piping
, 
Primary Variable
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... READ MORE
Printer Friendly (PDF)
Featured image for “Domestic Hot Water Recirculation Systems eBook”
Norm Hall
 / 
April 18, 2022
Domestic Water Recirculating
, 
Monday Morning Minutes
The design of a domestic water recirculation system is critical for commercial and institutional buildings. Today, R. L. Deppmann launches a new resource to assist... READ MORE
Printer Friendly (PDF)
Featured image for “Primary Variable Heating Systems: Should I Pump Into the Boiler or Out of It?”
Norm Hall
 / 
April 11, 2022
Boilers
, 
Expansion & Compression Tanks
, 
Hydronic Design
, 
Monday Morning Minutes
, 
Primary Variable
, 
Pumps
, 
Tanks
We recently received several calls for our recommendation on whether to pump into the boiler or out of the boiler in a primary variable heating... READ MORE
Printer Friendly (PDF)
Featured image for “What to Do with Steam Leaving a Flash Tank: Simple Example”
Norm Hall
 / 
April 4, 2022
Flash
, 
Flash
, 
Monday Morning Minutes
, 
Steam
, 
Tanks
We received a call from one of our wholesalers with an industrial customer experiencing a flash tank issue. The industrial customer was using 50 PSIG... READ MORE
Printer Friendly (PDF)
Featured image for “Condensing Boiler Venting Material (Part 2)”
Norm Hall
 / 
March 28, 2022
Boilers
, 
Condensing
, 
Monday Morning Minutes
, 
Venting
, 
Venting
Proper venting of hydronic condensing boilers is critical for the safety of occupants and the successful operation of the heating plant. Part one of this... READ MORE
Printer Friendly (PDF)
Norm Hall
 / 
March 21, 2022
Boilers
, 
Condensing
, 
Monday Morning Minutes
, 
Venting
Proper venting of hydronic condensing boilers is critical for the safety of occupants and the successful operation of the heating plant. The materials that may... READ MORE
Printer Friendly (PDF)
Norm Hall
 / 
March 14, 2022
Cooling Towers
, 
Hydronic Design
, 
Monday Morning Minutes
, 
Pumps
What is the minimum flow rate a variable speed pump can provide without damage to the pump? This is a question every engineer should ask... READ MORE
Printer Friendly (PDF)

Categories