Bob Hot Rod Rohr

Bob Hot Rod Rohr

Bob “Hot Rod” Rohr has been a plumbing, radiant heat and solar contractor and installer for 30 years. Rohr is a longtime RPA member and Plumbing Engineer and Phc News columnist. Bob joined Caleffi North America as manager of training and education. He can be reached at hotrodradiant@mac.com.

Articles

ARTICLES

phc02_hotrod
Radiant Insider

Switching Gears

Some things to consider when making the jump to commercial work.
February 4, 2019
Bob Hot Rod Rohr
No Comments
There comes a time when opportunities arise to make a jump to commercial work. Here are some things to consider when making that jump.
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phc12_2018_hotrod
Radiant Insider

A Number to Know and Trust

As boring and redundant as it may sound, the very first step of every hydronic job should always be determining the actual load, as accurately as possible.
December 5, 2018
Bob Hot Rod Rohr
No Comments
As boring and redundant as it may sound, the very first step should always be to determine the actual load, as accurately as possible. The load should include the heat as well as domestic hot water (DHW), if the boiler or heat source supplies both.
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phc09_hotrod
Alternative Energy

Valves, Valves Everywhere

Selecting the right type for an application requires flow, pressure and temperature information.
September 10, 2018
Bob Hot Rod Rohr
No Comments
Almost every plumbing and HVAC installation uses valves. Information such as the type of fluid, temperature, pressure and flow rate is needed to select the best type of valve for the application.
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PHC_June_2018_hotrod
Radiant Insider

Water and My Pipes, Yikes!

Many experts will admit not all is yet known when it comes to treatment blends, their reactions with one another and piping material compatibility.
June 4, 2018
Bob Hot Rod Rohr
No Comments
You do not need to look or read too far these days to come across potable water quality discussions.
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Hydronic Water System
Radiant Insider

Fluid in Motion

Knowing how to check the health of your hydronic systems can save everyone time and money.
June 7, 2017
Bob Hot Rod Rohr
No Comments
Every few years I schedule a checkup at my doctors. They check vitals, put me on the scale and ask...
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Radiant Insider

The Boiler Down Below

There is a very large potential to harness and use the thermal energy sitting below. 
November 9, 2016
Bob Hot Rod Rohr
No Comments
My job takes me to many unique and interesting locations across the U.S. and Canada. After many decades of participating...
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