Maintain peak diagnostic accuracy and operational safety in your shop with the Robinair Replacement Oxygen Sensor for R-1234yf Machines and Refrigerant Identifiers (SKU: 16916). Essential for modern automotive service facilities working with R-1234yf systems, this replacement sensor ensures your AC recovery equipment accurately measures refrigerant purity and detects air contamination prior to recovery or charging.
The Robinair 16916 sensor is specifically calibrated for compatibility with Robinair R-1234yf AC recovery, recycling, and recharging stations (such as the AC1234 series) as well as handheld refrigerant identifiers. Featuring a simple plug-and-play wiring harness and threaded body, this essential component restores your machine’s internal diagnostic capabilities, preventing inaccurate purity readings and protecting recovering systems from air cross-contamination.
Key Features & Capabilities
Direct OEM Replacement: Engineered to match factory specifications for seamless installation in Robinair R-1234yf machines and identifiers.
Precise Air & Oxygen Analysis: Measures oxygen content within refrigerant samples to verify system purity and prevent contamination.
Plug-and-Play Installation: Includes pre-wired connector harness and threaded fitting for quick, hassle-free replacement in the shop.
Restores Machine Operation: Clears oxygen sensor calibration errors and warning codes to keep AC service equipment fully operational.
Technical Specifications
Model: Robinair Replacement Oxygen Sensor
SKU: 16916
Compatibility: Robinair R-1234yf ACS Machines AC1234-4, AC1234-4SL, AC1234-4-230, AC1234-6, AC1234-9, and identifiers 16990/16995.
Sensor Type: Electrochemical Oxygen Cell
Application: Automotive R-1234yf refrigerant purity analysis and machine maintenance


