

Specifications
Description
The Zurn Wilkins RK1-420 is a genuine complete repair kit for 1" Model 420 / 420XL.
The Complete Repair Kit is compatible with the 1” Model 420 and 420XL Pressure Vacuum Breaker. Repair Kit components conveniently include one Seat Assembly, one Float Assembly, one Bonnet, and one O-Ring. Although the Model 420 is discontinued, the Model 420XL Pressure Vacuum Breaker Assembly acts as a replacement. Repair Kits are sold as accessories for quick and simple repair needs, providing long-lasting protection from backsiphonage of polluted and contaminated water into the potable water supply.
Features
- Accessories allow for speedy repairs
- Repair Kits provide cost savings by avoiding full Pressure Vacuum Breaker replacement
- Complies with ASSE® Listed 1020 and CSA® Certified
- Quality materials designed for long-lasting parts replacement
- 1-year limited warranty
Common Questions
- Will this kit fit my assembly?
- The RK1-420 fits the 1" size of Model 420 / 420XL. Kits are size- and series-specific, so match the model stamped on your valve body or cover before ordering.
- What's included in this kit?
- This is a complete repair kit -- it carries the factory parts for that subassembly only, not a whole-assembly rebuild.
- Are these genuine Zurn Wilkins parts?
- Yes. This is the factory RK1-420 kit built with genuine Zurn Wilkins OEM components. Aftermarket parts can void your assembly approval and are commonly rejected by inspectors at annual test time.
Specifications
- Type: 420XL/420 Complete Repair Kit compatible with 1"
- MPN: RK1-420
- Fits Series: 420;420XL
- Fits Size: 1"
- Kit Type: Complete Repair Kit
Product Information
| SKU | UPC |
|---|---|
| RK1-420 | 612052091747 |
Details
| Series | RK1-420 | Device Type | 420XL/420 Complete Repair Kit compatible with 1" |
| Kit Type | Complete Repair Kit | Fits Series | 420, 420XL |
| Fits Size | 1" | Spartan fits size | 1" |
| Spartan kit type | Complete Repair Kit | — | — |
Compare with similar products
| Kit Type | Complete Repair Kit
| Complete Repair Kit
|
| Fits Series | 420, 420XL
| 350
|
| Fits Size | 1"
| 1"
|
| Series | RK1-420
| RK1-350
|
| Device Type | 420XL/420 Complete Repair Kit compatible with 1"
| 1" Model 350/350XL Complete Repair Kit
|
Recommended Products
Recently Viewed
What Our Customers Say
-
absolutely the most helpful gracious and polite people I have dealt with in a very long time. thank you so much!!
-
I recommend them to everyone, they have EVERYTHING, great customer service and always come through for our day to day needs.
-
Excellent service, very friendly,
Julio and his coworkers 💯💯💯 -
Ray Rhodes thanks for your help. 5 star service at City Supply.
-
Julio was very helpful and knowledgeable
-
Excellent service as always. All the stuff I needed. Thanks Julio.
-
They had what I needed to replace the stem on my 60 year old bathroom showers. Great service.
-
Excellent service at the counter. Manuel and Ray are super knowledgeable and helpful. Thank you!
-
A beautiful and smart woman with a helpful heart that is a surprise to find in a plumbing supply co., Nekell.
-
Great customer service part was already waiting for me at the counter!!!! it don’t get no better than that!!
-
Needed a faucet quick. They had what we needed within 5 minutes and were all so nice
-
Great prices and customer service!





