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?
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.
Given the current prices for fuel oil and propane, and current state and federal incentive programs, many homeowners are asking heating contractors to replace their aging boilers with a geothermal heat pump system.
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