Lucky Or Liar John Siegenthaler, P.E. March 1, 2009 Tales of ‘inexplicably great performance’ that defy the laws of physics.Read More
Adjusting A Multiple-Boiler System John Siegenthaler, P.E. February 18, 2009 The cardinal rule of multiple boiler systems is to only provide flow through a boiler that’s operating. Read More
By The Book John Siegenthaler, P.E. January 19, 2009 At one point in time, this schematic appeared in a manufacturer's installation manual. Read More
Why Gray Is Green John Siegenthaler, P.E. January 1, 2009 A classic boiler metal stands ready for the future. Read More
Trouble Waiting To Happen John Siegenthaler, P.E. December 19, 2008 An installer was asked by a client to use both a ground source heat pump and a boiler as alternative heat sources in a zoned, low-temperature hydronic distribution system. Read More
Side-By-Side Vs. End-To-End John Siegenthaler, P.E. December 1, 2008 The choice of piping system can make a significant difference in operating cost. Read More
Proper Replacement John Siegenthaler, P.E. November 17, 2008 An installer decides to replace a 30-year-old cast-iron boiler with a modern mod/con unit. Read More
Ticked Off, Part 2 John Siegenthaler, P.E. November 1, 2008 Reducing noise from heat transfer plates within radiant panels. Read More
Ticked Off, Part 1 John Siegenthaler, P.E. October 7, 2008 Reducing noise from heat transfer plates within radiant panels. Read More