Ray Wohlfarth: Troubleshooting hydronics Always assume it’s wrong! Ray Wohlfarth July 15, 2019 When I look at any replacement hydronic boiler project, my tenet is always to assume the existing system is installed improperly. I like to pretend I am a famous detective, such as Sherlock Holmes, and my job is to uncover the hidden mistakes.Read More
Ray Wohlfarth: The case for 2 psig Ray Wohlfarth February 12, 2019 What is the proper pressure setting for a comfort-heating steam boiler?Read More
Ray Wohlfarth: 6 lessons learned about boiler water treatment I hope the lessons I have learned over the years will help you in the boiler room. Ray Wohlfarth January 7, 2019 My technical boiler books all use the “lessons learned” theme, and the following are the lessons I have learned about boiler water treatment.Read More
Ray Wohlfarth: A dangerous situation Ray Wohlfarth October 23, 2018 It’s important to always be mentally present at every service call. Read More
Ray Wohlfarth: Farewell, Bill Ray Wohlfarth August 28, 2018 Saying goodbye to an industry legend. Read More
Ray Wohlfarth: Understanding boiler controls Ray Wohlfarth April 27, 2018 Correctly set controls ensure proper boiler operation. Read More
Why is the relief valve leaking? Ray Wohlfarth October 31, 2017 Not maintaining this valve could destroy the heating system. Read More
Should you own a combustion analyzer? Ray Wohlfarth September 1, 2017 This tool can help improve safety and customer satisfaction.Read More
Things to consider about hydronic system water Ray Wohlfarth April 28, 2017 Air, pH balance, magnetite, and more can all have a huge impact on system performance. Read More
How to maintain low-water cutoffs The subsequent text showed a picture of a low water cutoff disassembled and filled with mud and rust. Ray Wohlfarth January 25, 2017 Routine maintenance helps ensure optimal boiler performance and safety. Read More