Must Own: Lessons Learned Servicing Boilers by Ray Wohlfarth

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Ray Wohlfarth, international author of Lessons Learned in a Boiler Room and Lessons Learned: Connecting New Boilers to Old Pipes, has a new book on the service of hydronic and low pressure steam boilers, entitled, Lessons Learned Servicing Boilers. The book is filled with almost 300 pages of tips, rules of thumbs, formulas, and jobsite anecdotes. It is a must have for anyone that maintains or services hydronic boilers. It is available at the following sites:


The book covers some of the following plus much more:

  • Understanding Combustion Readings
  • Leak Testing Gas Valves
  • Trouble-shooting Boiler Controls
  • Understanding Flame Safeguards
  • How a Horse can Help with a Leaking Boiler
  • Over 60 pages of heating formulas
  • Can a flame actually conduct electricity?
  • How can Alka Seltzer tablets be used as a boiler room alarm?
  • How can a boiler with 4 times the level of carbon monoxide than another one be safer?
  • Which is faster; Hot Water or Steam?
  • How often should you test a boiler relief valve?
  • Why does the radiator not heat all the way across?
  • What is the difference between a safety and a relief valve?
  • How do you size a gas train vent?
  • What do the readings mean on a combustion analyzer?
Lessons Learned Servicing Boilers Mechanical Hub

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