Rain Bird Anti Siphon Valve Manual. Heavy duty construction with stainless steel. Flow control allows optimization of sprinkler performance.
![Rain Bird APAS075 3/4 in. AntiSiphon Valve](https://i2.wp.com/www.sprinklerwarehouse.com/media/wysiwyg/Rain-Bird-Sprinklers/APAS-Part-replacement_02.png)
These rain bird valves are. Female threaded inlet and outlet. Male thread to pipe adapter 6 min above ground and valve should also be higher than the highest spray.