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Home » Keywords: » boilers

Items Tagged with 'boilers'

ARTICLES

April 2025 The Glitch & The Fix Figure 1
The Glitch & The Fix: April 2025

Unexpected results: heat pump system at low outdoor temperatures

Consider the “dual temperature” heat pump system shown in figure 1
John Siegenthaler, P.E.
John Siegenthaler, P.E.
April 4, 2025

When only the air handler is operating the heat pump is able to supply the 120 ºF water. However, when the floor heating zone and the air handler are operating at the same time and the outdoor air temperature is below 24 ºF the fluid temperature leaving the heat pump can’t climb above 103 ºF. Why is this happening, and what can be done?


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NAVIEN.jpg

Navien unveils new high-efficiency HVAC and water treatment products

February 25, 2025

Navien is launchcing several new products, such as its NPF System Furnace, NAZ Air-to-Air Heat Pumps, NAM Cased Coils, NAS Air Handlers, NAE Hydro-AC, NWP Heat Pump Water Heaters, NFB700-C Floor Standing Commercial Condensing Fire Tube Boilers, WEC Tankless Electric Water Treatment System and PeakFlow X Scale Prevention and Filtration System. 


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Buderus_SSB_Gen_2_v1.png

Bosch Buderus boiler Gen 2

February 5, 2025
NIBCO-Webstone-HydroCoreImage.png

NIBCO announces updated Webstone Hydro-Core press manifold

January 21, 2025

NIBCO announces its new Webstone Compact Press Manifold for near-boiler piping or secondary loops. This manifold is a redesign of the Hydro-Core Double Ball Drain.


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Top 10 of 2024: The most-read articles on Plumbing & Mechanical

December 23, 2024

Here’s a countdown of the top 10 articles you read the most in 2024 based on the number of unique pageviews on www.pmmag.com. 


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Figure 2
The Glitch & The Fix

How would you fix this oil-fired boiler system?

December 23, 2024

The first photo shows an oil-fired boiler and surrounding details. Take a close look, and make a list of what you would change in this portion of the system.


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U.S. Boiler Co. hosts learning events in New England

November 5, 2024

Heating contractors attended the event to learn about high-efficiency heating equipment, including the Ambient Air-to-Water Heat Pump, Citadel commercial condensing boiler, Alta self-adaptive boiler, and the Ambient electric boiler.  


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Industrial Boilers
The Boiler Room | Ray Wohlfarth

Avoiding problems on your next hydronic boiler project

Best practice tips when replacing a boiler system.
ray wohlfarth
Ray Wohlfarth
October 16, 2024

Always assume the old boiler was installed wrong. This principle has served me well in my career by finding problems before we own the system.


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AERCO-Henry-Angelery.gif

AERCO celebrates 75th anniversary

October 14, 2024

Since opening its first factory in Englewood, New Jersey 1949, AERCO has grown into one of the leading providers of reliable water heating and boiler solutions, the company says.


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Simplicity.png

Weil-McLain high-efficiency combination gas boiler

September 16, 2024

The Simplicity high-efficiency combination gas boiler from Weil-McLain offers an eco-friendly solution for residential heating and hot water needs. 


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More Articles Tagged with 'boilers'
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IPEX celebrates grand opening of new Florida distribution center

IPEX celebrates grand opening of new Florida distribution center

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    • PMC COLUMNS
      • Dave Yates: Contractor’s Corner
      • John Siegenthaler: Hydronics Workshop
      • Kenny Chapman: The Blue Collar Coach
      • Matt Michel: Service Plumbing Pros
      • Scott Secor: Heating Perceptions
  • ENGINEERS
    • CONTINUING EDUCATION
    • DECARBONIZATION | ELECTRIFICATION
    • FIRE PROTECTION
    • GEOTHERMAL | SOLAR THERMAL
    • PIPING | PLUMBING | PVF
    • PME COLUMNS
      • Christoph Lohr: Strategic Plumbing Insights
      • David Dexter: Plumbing Talking Points
      • James Dipping: Engineer Viewpoints
      • John Seigenthaler: Renewable Heating Design
      • Lowell Manalo: Plumbing Essentials
      • Misty Guard: Guard on Compliance
  • RADIANT & HYDRONICS
    • RADIANT COMFORT REPORT
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