Direct Replacement ：16916 oxygen sensor is designed to replace the original sensor in Robinair R-1234yf machines (AC1234 series) and 16990/16995 refrigerant identifiers
Compatible Models：Works with Robinair AC1234-4, AC1234-4SL, AC1234-4-230, AC1234-6, AC1234-9, and refrigerant identifiers 16990/16995
Precise Performance ：16916 oxygen sensor can ensures accurate oxygen level detection for safe refrigerant handling, critical for R-1234yf systems
Easy Installation ：Replacement oxygen sensor adopts a plug-and-play design matches OEM specifications
Reliable Quality: The oxygen sensor is made of durable industrial-grade materials through precise technology processing and manufacturing, which can more sensitively and accurately identify the presence of oxygen. At the same time, industrial-grade materials ensure a longer service life, allowing the sensor to serve you for a longer period of time