Arrowhead PK1390 Replacement Self Draining Vacuum Breaker

**** The Arrowhead PK1390 Replacement Self Draining Vacuum Breaker garners largely positive reviews from users who appreciate its reliable performance and effective replacement capabilities. Many customers replaced old vacuum breakers or pressure relief valves with this product, noting significant improvements in functionality and build quality. Users report that the installation process is straightforward and emphasize the importance of choosing the correct size, as getting the right fit is crucial for optimal performance. Customers have noted that this replacement breaker effectively addresses leaking issues, with many highlighting its durability compared to previous builder-quality components. Although some users initially faced issues with water spraying from the top of the unit, customer service provided a quick fix: creating a backflow situation to resolve the issue. This responsiveness from support has been reassuring for users. However, not all experiences have been flawless. Some users reported problems with the quality of the hex head locking nut, describing it as made from soft metal that easily broke under minimal stress. This has led to frustration and the need for additional tools to rectify the situation. Despite this setback, the overall reception of the Arrowhead PK1390 remains positive due to its effectiveness as a replacement part. **