search
cart
facebook instagram twitter linkedin youtube
  • Sign In
  • Create Account
  • Sign Out
  • My Account
  • NEWS
  • PRODUCTS
    • FEATURED PRODUCTS
  • CONTRACTORS
    • BATH & KITCHEN PRO
    • BUSINESS MANAGEMENT
    • HIGH EFFICIENCY HOMES
    • TECHNOLOGY
    • WATER TREATMENT
    • 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
    • THE GLITCH & THE FIX
  • INSIGHTS
    • CODES
    • GREEN PLUMBING & MECHANICAL
    • PROJECT PROFILES
    • COLUMNS
      • Codes Corner
      • Natalie Forster: Editorial Opinion
      • Guest Editorial
  • MEDIA
    • EBOOKS
    • PODCASTS
    • VIDEOS
    • WEBINARS
  • RESOURCES
    • INDUSTRY CALENDAR
    • DIRECTORIES
    • PM BOOKSTORE
    • CE CENTER
    • MARKET RESEARCH
    • CLASSIFIEDS
  • EMAGAZINE
    • EMAGAZINE
    • ARCHIVE ISSUES
    • CONTACT
    • ADVERTISE
    • PME EMAGAZINE ARCHIVES
  • SIGN UP!
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.


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
Previous 1 2 3 4 5 6 Next
Manage My Account
  • Newsletters
  • Online Registration
  • Subscription Customer Service
  • eMagazine
  • Manage My Preferences

More Videos

Popular Stories

Hot water pipes

Campus shutdown at Oakland University exposes hidden risks of aging hot-water infrastructure

Water Conservation eBook 2025 900x550 showing hands holding a globe under running water.

eBook | Water Conservation, Quality & Safety 2025

Industrial pressure gauge on a tank.

From cutting edge to classic: How to modernize outdated pneumatic control systems

Download the FREE 2025 Water Conservation, Quality & Safety eBook

Poll

Will business be up or down in 2025?

Do you anticipate business in 2025 to be up or down in comparison to 2024?
View Results Poll Archive

Products

The Water Came To A Stop

The Water Came To A Stop

See More Products
eBook | 2025 Radiant & Hydronics All Stars

Keep your content unclogged with our newsletters!

Stay in the know on the latest plumbing & piping industry trends.

JOIN TODAY!
  • RESOURCES
    • Advertise
    • Contact Us
    • Directories
    • Store
    • Want More
    • Supply House Times
  • SIGN UP TODAY
    • Create Account
    • eMagazine
    • Newsletter
    • Customer Service
    • Manage Preferences
  • SERVICES
    • Marketing Services
    • Reprints
    • Market Research
    • List Rental
    • Survey/Respondent Access
  • STAY CONNECTED
    • LinkedIn
    • Facebook
    • Instagram
    • YouTube
    • X (Twitter)
  • PRIVACY
    • PRIVACY POLICY
    • TERMS & CONDITIONS
    • DO NOT SELL MY PERSONAL INFORMATION
    • PRIVACY REQUEST
    • ACCESSIBILITY

Copyright ©2025. All Rights Reserved BNP Media.

Design, CMS, Hosting & Web Development :: ePublishing