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Technical Reference Guide: Determine the age and size of HVAC equipment and water heaters
This field guide helps you identify the age and capacity of hundreds of residential and commercial heating and cooling systems, domestic water heaters, pumps and more. When you have a heating or cooling question, don’t guess! The Technical Reference Guide decodes model numbers and serial numbers to help you make an accurate evaluation.
Kindle Edition
Published July 27, 2022
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