2nd Check Retainer
Wilkins: 2 1/2" - 4" - 2nd Check Seat Retainer for a 350A / 375A {OR} 4" 375 / 350 / 475 / 450
(Two required for one backflow assembly)
Wilkins: 2 1/2" - 4" - Second Check Seat Retainer for a 350A / 350 / 450 Double Check Assembly {OR} 375A/ 475/ 375 Reduced Pressure Zone Assembly
• 2½" - 4" check seat retainer for models 350A / 375A
• 4" check seat retainer for models 350 / 375 / 450 / 475
(Two are required for one backflow assembly)
| Model | 3509-140 |
|---|---|
| Manufacturer | Wilkins |
| Allow Overnight Shipping | Yes |
