Ray Wohlfarth

Ray Wohlfarth

Ray Wohlfarth is the author of “Lessons Learned in a Boiler Room: A common-sense approach to servicing and installing commercial boilers.” In his spare time, he is president of Fire & Ice in Pittsburgh, Pa. Ray writes a monthly newsletter on commercial boilers. He can be reached at 412/343-4110.

ARTICLES

The boiler gas train

Understanding this critical safety system can save your customers costly repairs.

One of the most misunderstood portions of the commercial heating system is the gas train. The gas train is a series of components that safely feed natural or propane gas into the burner.


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Are reps and distributors extinct?

Face-to-face customer service beats buying online in this business.

One of the companies we represent was owned by Russ Geaslen. He changed the boiler industry as we know it by designing and patenting the primary/secondary piping of modular boilers in 1964 (Patent No. US3329343A). Russ was half genius and half mad scientist. Unfortunately, he passed on to the big boiler room in the sky in 1996. I still miss him.


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2014 Truck of the Month

PM has featured so many great plumbing service trucks! See plenty of them here in our Truck Of The Month Archives page. Are you proud of your truck? Go to our Truck of the Month page to find out how your service truck could be chosen!

4/30/15 2:00 pm EDT

Optimizing Variable Flow Pumping for Energy Savings

 This session will help engineers ensure they are able to understand the many control modes that are possible with today’s modern variable speed pumps to maximize their energy savings.    

Plumbing and Mechanical

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2015 April

In this month's issue of PM, check out articles about Sloan Valve, including a PM profile on Sloan Valve president and CEO Jim Allen

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Where do you look for new employees?

Where do you look for new employees?
View Results Poll Archive

The Plumbing and Mechanical Store

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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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Truck of the Month

Truck of the month

Are you proud of how your service truck looks? Do the graphics give people whiplash as they drive by? Have your calls increased because people remember your truck — and your company name? If so, we’d like to see it, too! Click here to find out how your service truck could be chosen as PM's Truck of the Month.