

The RINNAI TEST PORT SET SCREW (Part Number: AU39-965X01) is a crucial component for your RIN Water Heater, ensuring precise testing and maintenance. Compatible with various RIN models, including RIN2000 and RIN4000, this set screw guarantees a secure fit to support optimal performance. With easy installation that can be done in under 10 minutes using common tools, this screw keeps your water heater running smoothly. We know appliances inside and out and will help you find the right part with expert, honest advice.