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Home » Authors » Ray Wohlfarth

Articles by Ray Wohlfarth

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.


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Ray Wohlfarth: The case for 2 psig

Ray Wohlfarth
February 12, 2019

What is the proper pressure setting for a comfort-heating steam boiler?


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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.


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Ray Wohlfarth: A dangerous situation

Ray Wohlfarth
October 23, 2018

It’s important to always be mentally present at every service call.


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Ray Wohlfarth: Farewell, Bill

Ray Wohlfarth
August 28, 2018

Saying goodbye to an industry legend.


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Ray Wohlfarth: Understanding boiler controls

Ray Wohlfarth
April 27, 2018

Correctly set controls ensure proper boiler operation.


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Why is the relief valve leaking?

Ray Wohlfarth
October 31, 2017

Not maintaining this valve could destroy the heating system.


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Should you own a combustion analyzer?

Ray Wohlfarth
September 1, 2017

This tool can help improve safety and customer satisfaction.


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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.


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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.


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