*PLUMBERSSTOCK EXPERT* responded:
Good day! We appreciate your interest in our Febco 905212 Bonnett Poppet Repair Kit For 765 Pressure Vacuum Breaker. The diameter for this part is 1 1/4". Please feel free to view this operation manual for more information on the vacuum breaker that it is to be used. If you find that this is exactly what you need, order this now by clicking Add To Cart and you're good to go! Should you have further questions, please let us know. We are not here to just make a sale. We want you to be happy and confident in your plumbersstock purchases. Thank you for shopping with plumbersstock.com – the perfect place to find high-quality products at low, low prices!