The R. L. Deppmann Monday Morning Minutes blog is entering its fifteenth year of offering tips and training to plumbing and hydronic professionals. To celebrate …
Condensing Boiler Specification – Part 9 – Schedules and Specifications
There are times during the submittal phase of a project where discussions occur with the design intent as the topic. These clarifying discussions often take …
Condensing Boiler Specification – Part 8 – Mobile and Computer Monitoring
In the real world of today, there is little chance of having an employee available to check all the equipment in the boiler room …
Condensing Boiler Specification – Part 7 – O2 Trim Saves Your Client Money
Any person who loves to drive fast classic cars understands the need for proper air-to-fuel mixture or ratio. If you are old enough to remember …
Condensing Boiler Specification – Part 6 – Variable Primary-Variable Secondary Example
Variable Primary-Variable Secondary pumping in hydronic heating systems has many advantages when this pumping method is chosen for the condensing boiler heating system. Today we …
Condensing Boiler Specification – Part 5 – Primary-Secondary Thoughts
Primary-Secondary pumping in hydronic heating systems is a tried-and-true method of protecting boilers while benefitting from the use of variable speed pumps in the secondary …
Water Filter Build Event 2023 with Xylem Watermark and the Wine-to-Water Foundation
Throughout the month of October 2023, R.L. Deppmann partnered with Xylem Watermark and the Wine-to-Water Foundation to assemble water filters for families globally who …
Condensing Boiler Specification – Part 4 – Variable Primary Thoughts
Many hydronic heating systems that use condensing boilers are designed with primary variable pumping. In this type of system, the flow rate through the terminal …
Condensing Boiler Specification – Part 3 – Operation at Lower Loads
Fire tube condensing boilers can modulate the combustion side down as the load decreases. This turndown may be just five to one (5:1) in some …
Condensing Boiler Specification – Part 2 – Boiler Temperature Reset Made Simple?
Last week we suggested using an efficiency less than the published maximum when selecting a hydronic condensing boiler for a comfort heating system. This week …