Get Cool, The Basic Basics, Featuring The Testo 556
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And then one of the coils in these new hvac units springs a leak, and then all of this becomes B.S.
Darth3456 6 months ago
Testo 550 is much easy to handle in the field.The 556 process is too time consuming.
MrTERRYD55 1 year ago
Great software and great video Jim. Graphically demonstrates system conditions.
mechacc2000 2 years ago