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Carlyle Tools
SERVICE TOOLS / HEATING & COOLING SERVICE

Antifreeze Testers

Antifreeze Testers
Antifreeze Testers
Antifreeze Testers
Antifreeze Testers
Antifreeze Testers
$9.99 - $34.99

Built for accuracy and durability, the Carlyle Antifreeze Tester is a rugged, professional-grade tool designed to keep your cooling system in check. The disc-type tester features a large convex barrel that magnifies the discs for easy reading, including a sixth disc to warn when too much antifreeze has been added. Accurate at all temperatures, regardless of coolant temperature, it’s a reliable choice for any job. The handheld version offers a Fahrenheit and Celsius scale, making it perfect for both metric and imperial users, while also testing rust inhibitor protection and all Ethylene Glycol antifreeze coolants, whether hot or cold. Tough, precise, and built for pros and DIYers, this tester means your system is always running at peak performance.

TECHNICAL DATA

Product SKU For Testing Test Range
CAFTPRO Ethylene Glycol Permanent Type Anti-Freeze
CAFTRD Ethylene Glycol Permanent Type Anti-Freeze and Rust Inhibitor Protection -34°F to 227°F

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WHAT SETS CARLYLE APART

Carlyle Tools are crafted with precision, durability, and expertise to help professionals tackle the toughest jobs with confidence. Designed to perform under pressure, our tools ensure you get the job done right the first time, every time.

GRIT

At Carlyle, we understand the grit it takes to succeed in demanding environments. That’s why our tools are engineered to withstand the toughest conditions, giving you the reliability and strength you need to power through every challenge.

HONESTY

We believe in honest craftsmanship and delivering on our promises. Carlyle Tools are built to the highest standards, ensuring professional-grade performance you can trust. No shortcuts, no compromises—just tools that work as hard as you do.

KNOWLEDGE

With decades of experience in the industry, Carlyle Tools are designed by experts who understand the needs of professionals. Our tools combine innovation and expertise to help you work smarter, not harder, giving you the edge to excel in your craft.

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