HVAC Gauge Boots for Yellow Jacket JB Series

Keep your Yellow Jacket JB Series **3-1/8″** manifold gauges protected with these **Aigemsi 49190 HVAC gauge boots**—designed for professional HVAC technicians who demand durability and precision. This **dual-color set** includes one **red boot** for high-pressure lines and one **blue boot** for low-pressure lines, ensuring quick identification and reducing connection errors during service calls. The **rubber construction** delivers superior elasticity, oil resistance, and wear resistance, making them ideal for harsh refrigeration and air conditioning environments.

Beyond protection, these boots **cushion against drops and impacts**, shielding the gauge lens and housing from scratches and damage during transport or on-site work. Installation is effortless—no tools required—the flexible design stretches for a snug fit without obstructing calibration screws or gauge readings. Built to last, they eliminate the frustration of frequent replacements, saving you time and money on the job.