D-TEK 3 Refrigerant Leak Detector
D-TEK 3 builds on the proven performance of D-TEK leak detectors with added features to help you get your job done faster. An easy-to-change sensor, quick charge lithium ion battery, and a new ergonomic design make D-TEK 3 a versatile tool for everyday RAC maintenance and repair. Plus, a new optional CO2 sensor gives you two instruments in one. Upgrade your toolbox with this accurate and reliable leak detector. Product Features Low, Medium, High, and Super sensitivity settings Automatic and manual zero modes Rugged carrying case included Detects all CFCs, HCFCs, HFCs, HFOs, and blends (including A2Ls) Detects CO2 with optional CO2 sensor Optional extra-long probe for hard-to-reach areas Two year replacement warranty Compatible Refrigerants Refrigerant Sensor: R22, R32, R134a, R404a, R407c, R410a, R422b, R448a, R449a, R452a, R452b, R507 (AZ50), R1234yf, ammonia, SF6, and more Co2 Sensor: CO2 (R744) Flammable Refrigerant Sensor: R290, R600a, R441a Includes refrigerant sensor for CFCs, HCFCs, HFCs, HFOs, and A2Ls Product Includes D-TEK 3 Infrared sensor Rechargeable lithium ion battery Spare filters AC wall charger Plastic carrying case Specs – Product Type: Leak Detector Type: Refrigerant Accessory Application: Industrial Refrigeration Residential Battery Type: Rechargeable Lithium Ion Battery Life: 10 Hours Warranty: 2 Year
About Us
Why shop Refrigerant Express
Give your team pro-grade refrigerants and HVAC tools—fast, compliant, and fairly priced.
Fast, reliable shipping
Fast, reliable fulfillment: most orders ship within 1–3 business days with nationwide delivery and live tracking.
EPA-compliant sourcing
All cylinders from verified suppliers. Documentation included and easy to access.
Expert support
Tech-savvy help for product fit, specs, and order status—by phone, chat, or email.
FAQ
Find answers to common questions about our products and services
What types of refrigerants do you offer?
We offer a wide range of refrigerants including R410A, R404A, R134a, R22 replacements, and other eco-friendly alternatives. All our products meet industry standards and environmental regulations.
How fast is your delivery?
Total delivery time: 5–8 business days; express options coming soon
Are your products certified?
Yes, all our refrigerants are certified and comply with international standards. We provide detailed documentation and certificates of authenticity with every purchase.
What payment methods do you accept?
We accept Visa, Mastercard, American Express, Discover, and digital wallets including Apple Pay & Google Pay.
All transactions are secure and encrypted.
Do you offer technical support?
Yes, our team of HVAC experts is available for technical support Monday through Friday, 8 AM to 8:30 PM. We provide guidance on product selection, installation, and troubleshooting.
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