Slide Rule/Wheel Calculators

FEATURING OUR BEST SELLER: SCHEDULING WHEEL CHART
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- Circuit Setter Valve Balance Procedure Calculator & Instruction BookSpecial Price $22.45 Regular Price $24.95Quickview
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- SuperCool Slide Rule Duct Calculator Flex Metal Ductulator ChartSpecial Price $17.95 Regular Price $19.95Quickview
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- Ductulator trane- Duct Sizing Calculator, English & Metric UnitsSpecial Price $20.65 Regular Price $22.95Quickview
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- Stone, Concrete, Asphalt Aggregate Slide Rule CalculatorSpecial Price $8.95 Regular Price $9.95Quickview
- Concrete & Masonry Materials Estimator - Slide RuleSpecial Price $8.95 Regular Price $9.95Quickview
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- Structural Steel Detail Guide, Wheel Calculator (Out of Stock)Special Price $17.95 Regular Price $19.95Quickview
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- Structural Steel Detail Slide by Piping SelectorSpecial Price $22.45 Regular Price $24.95Quickview
- 2015 Drain Waste Vent Pipe Sizing Calculator, IAPMOSpecial Price $17.95 Regular Price $19.95Quickview
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- 2021 Drain Waste Vent Pipe Sizing Calculator, IAPMOSpecial Price $17.95 Regular Price $19.95Quickview
- 2021 UPC Water Pipe System Sizing Calculator, IAPMOSpecial Price $17.95 Regular Price $19.95Quickview
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- POCKET SERVICE CARD (RESIDENTIAL) For HCFC-22 SystemsSpecial Price $3.55 Regular Price $3.95Quickview
- POCKET SERVICE CARD (RESIDENTIAL) For HFC-134A SystemsSpecial Price $3.55 Regular Price $3.95Quickview
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