Bestseller This item has had high sales volume over the 6 months...
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Plastic card - cheat sheet for HVAC techs - featuring compressor scenarios, color-coded PT chart for common refrigerants, supply duct CFM calculations, return grill sizing guide, and electrical wire sizing.
the buyer is responsible for any loss in value...
Return & exchange window 30 days You have 30 days from item delivery to ship this item back to the seller...
Message World of This seller responds within few hours..
WorldofHVAC made this item with help from Vistaprint, Waltham, MA... 64 reviews 5 out of 5 stars..
Reviews for this item 42 Reviews for this shop 64.
My boyfriend is HVAC Tech and he loves this handy tool...
The quality of the items are perfect and matched the description.
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