An installer inspects a system where an aging steam boiler supplies several cast-iron radiators. He proposes to convert the system from steam to hot water and replace the old boiler with a mod/con boiler. Can you spot some potential problems and suggest some improvements?
An installer is asked to replace two aging cast-iron boilers with two mod/con boilers, but reuse as much of the existing distribution system as possible. Can you spot several details, omissions or other quirks that will lead to problems over the life of this system?
Another photo appeared and this one had a woman in it. She was holding a long wrench and the business end was attached to one of the risers to the boiler’s drop-header.
Are you an ace troubleshooter? We pose a question to you, our readers, to review a system’s schematic layout and discover its faults, flaws and defects.
A recent inquiry involved a heating system for a school in which two electric boilers were being added to supplement the output of a gas-fired cast-iron boiler, and take advantage of low “off-peak” electrical rates.
This newest edition discusses the physical processes at work in hydronic systems and presents a process for troubleshooting issues in residential and light commercial settings.
