PM columnist Ray Wohlfarth, author of “Lessons Learned in a Boiler Room,” has a new book on the design and installation of replacement hydronic boilers — “Lessons Learned: Connecting New Boilers to Old Pipes.”
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.
John was a custodian for a local school district. We used to call him “20 Questions” because he would constantly ply us with questions about the boilers when we would perform the annual service. He would jokingly ask how many of the 20 questions he would have left.