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HVAC Chart 3 Pack, R-22 Superheat Subcooling Calculator, R-410a Superheat Subcooling Calculator and Duct Calculator
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
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HVAC Chart 3 Pack, R-22 Superheat Subcooling Features
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3 Slide charts for less that some sellers charge for 1!
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#1 Training tools used by College, Universities and Training Centers
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Field proven by installers and technicians for over 30 years!
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No abridged information or rule of thumb calculations.
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Duct calculator has diagrams for properly calculating total equivalent length and pressure drop correction factors. A must have for high efficiency systems.
About HVAC Chart 3 Pack, R-22 Superheat Subcooling
Lets face it, 1 slide chart can not do it all. Don't be fooled by an abridged chart with missing information, tidbits of random formulas and rule of thumb calculations all crammed on to one chart. The HVAC 3-Pack comes with 3 charts. One for sizing ductwork, one for calculating superheat/subcooling on R-22 systems and one for calculating superheat/subcooling on R-410a systems. Duct calculator has diagrams for properly calculating total equivalent length and pressure drop correction factors. A must have for high efficiency systems. Put one chart in your install bag and the others in your service bag.
