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๐ง Stop water hammer before it starts โ the proโs choice for flawless flow!
The Zurn Wilkins AG-4 Lead-Free Water Hammer Arrestor features a 1" MNPT brass connection designed for reliable attachment to Reduced Pressure Principle backflow preventers. Its lead-free construction ensures safe potable water use, while the integrated air gap drain fitting prevents cross-connections and directs discharge safely. Compatible with a wide range of Wilkins RP models, this compact, durable device is essential for professional-grade plumbing installations.




| ASIN | B0064YRRES |
| Brand | Zurn |
| Brand Name | Zurn |
| Color | Blues |
| Connector Type | Cap |
| Customer Reviews | 4.3 out of 5 stars 14 Reviews |
| Exterior Finish | Brass |
| Global Trade Identification Number | 00612052053035 |
| Included Components | AG-4 Air Gap Drain Fitting |
| Item Dimensions | 7 x 7 x 16.5 inches |
| Item Type Name | Zurn AG-4 - Air Gap Fitting |
| Item Weight | 16 ounces |
| Item dimensions L x W x H | 7 x 7 x 16.5 inches |
| Manufacturer | Wilkins |
| Manufacturer Part Number | AG-4 |
| Material | Brass |
| Material Type | Brass |
| Model Number | AG-4 |
| Number of Pieces | 1 |
| Size | 1 Inch |
| Thread Size | 1 |
| Thread Type | NPT |
| UPC | 612052053035 |
| Unit Count | 1 Count |
P**E
Exactly what it's supposed to be
The product was exactly what it was supposed to be, the color was a brighter blue but this isn't a show piece of any sort and was functionally perfect
L**1
Four Stars
A necessary product that works as described.
J**R
Five Stars
Yes they work as intended
D**L
Does not fit a 2 inch double check.
So the description says, and I'll copy and paste it in here. ( Designed for use with 1/4" thru 10" Model 975XL, 975XL2, 375, 375XL and 475 Reduced Pressure Principle Backflow Preventers on horizontal or vertical installations. However this one only works on the 1 inch units. the opening is too small by nearly 1/4 inch. Just wanted to let anyone know that if you are ordering this for a 2 inch Wilkins double check, it won't fit. Most of my double checks are the 975 XL units.
Trustpilot
3 weeks ago
2 weeks ago