Mark Eatherton

Non solid state control strategies, Pt. 2 
In last month’s article, we began to rediscover non-electric thermostatic radiator valves (TRV).
Non solid state control strategies 
Here we are today, with more computing power onboard even the lowliest of boilers than there was on the spacecrafts that circled the moon.
Hydronic certification becomes reality 
Many years ago, the Radiant Panel Association, predecessor of the Radiant Professionals Alliance, developed the first certification program for radiant installers and designers.
Educational opportunity from your Radiant Professionals Alliance
Tom is so convinced this is the learning opportunity of a lifetime that he is willing to give you a taste of what is covered. He is putting on a free demonstration Thursday, Feb. 4.
Announcing Series 19000 Professional Qualification Standard recognition by ANSI 
The RPA has been working with ASSE International to develop ASSE/IAPMO/ANSI Series 19000-2015 Professional Qualification Standards pertaining to the hydronic system installer and hydronic system designer certification program.
Piping methodologies for distribution systems — Pt. 2 
In last month’s article, we looked deep into the pipes of an old two-pipe gravity circulation system. We will now continue looking at the history and advances of these wonderful mechanical systems.
There’s a new codebook in town 
I’d like to take a short break from our regular programming to introduce you to the new codebook, the Uniform Solar Energy Hydronics Code (USEHC).
Distribution piping methodologies 
Having been involved in the pipe trades for over half of my life, I have had the opportunity to be exposed to almost every type of piping system.
RPA can help grow your business 
One of the primary functions of the Radiant Professionals Alliance (RPA) is to help our contracting members grow their business and make it flourish as much as possible.
What could possibly go wrong? Pt. — 4 
In the last column, we were talking about the need to look at the building plans as a “system” instead of looking at them from an individual component perspective. We are now continuing on with that conversation.
What could possibly go wrong? Part 3  1
Every contractor has his or her own way of doing business, and rarely do they have an opportunity to have that process peer reviewed
What could possibly go wrong? Pt. 2 
Last month, we started a series of articles on my experiences as a former expert witness on hydronic heating systems. This is part two of that series.
What Could Possibly Go Wrong? Part 1 
In my previous business life I was an expert witness. In this capacity, I was called upon to review the work of other tradespeople.
Heating, cooling source options for radiant comfort systems – Pt. 4 
This month will be the end of this series of articles about controlling and powering these ultra-efficient, extremely comfortable systems.
Your radiant comfort system — Pt. 3 
In last month’s column, we discussed individual zoning controls. We continue the discussion this month.

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