720A Bonnet Repair Kit for 1/2", 3/4" & 1" Pressure Vacuum Breakers - Replacement Parts for Irrigation Systems & Backflow Preventers - Perfect for Home, Garden & Commercial Use

The bonnet repair kit included everything you needed to restore functionality of 720A back flow prevention valve that had been damaged by winter frost.

【Material】：The bonnet is cast brass. The canopy is black plastic.

【Fits】：Fits 1/2 Inch to 1 Inch 720A. This Bonnet Repair Kit is compatible with 1 / 2-inch, 3 / 4-inch and 1-inch 720A Bonner Repair Kits.

【Function】：The 720A series pressure vacuum breaker assembly is designed for installation on potable water lines to protect against back-siphonage of contaminated water into the potable water supply.

【Package】：Includes bonnet, canopy, and canopy screws.

【Others】： If your canopy is cracked and broken it is usually because the valve froze and warped the bonnet. You must replace the bonnet also or the holes will not line up.The only other thing you may need is a plunger kit if the upper plunger is torn or deformed. Be sure to cover the valve with an insulation cover to protect from freezing in the future.