1. Efficient 3point dial: quickly switch between rinse, solder, and shutoff settings. This 1/4' nitrogen blowout tool connection regulator provides the right nitrogen flow rate for each application, optimizing your HVAC maintenance tasks. 2. EASY CONNECTION: Features a 1/4' connector that easily attaches to standard nitrogen pressure regulators. Adjust the off position, connect a 1/4' hose, and complete flushing and soldering tasks in seconds, improving your workflow efficiency. 3. SMOOTH NITROGEN INTRODUCTION: Facilitates the seamless flow of nitrogen into pipes during rinsing and soldering. This process effectively removes dirt, oxidation, and helps maintain equipment integrity to ensure cleaner piping for your HVAC systems. 4. PRECISE CONTROL: With an input pressure of 50 psi and a maximum of 200 psi, this tool provides accurate control over nitrogen flow. Achieve stable flushing and soldering results while minimizing gas waste and optimizing your HVAC maintenance procedures.