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Product Specifications:
| Item | Repair Kit |
| Ada Compliant | No |
| Buy American Act Compliant | Yes |
| Cross Reference | 7018133 |
| For Use With | Series 757/757DCDA Double Check Valve And Detector Assembly, Backflow Preventing Valve |
| Kit Contents | Second Check Module, Check Module O-Ring And Red Silicone Disc Elastomer |
| Kit Type | Second Check Kit |
| Lead Free | Yes |
| Mfr. Series | RK-757 Series |
| Used On | Series 757/757DCDA Double Check Valve and Detector Assembly, Backflow Preventing Valve |
Shipping Info:
| Ship weight (kg) | 2.18 |
| Ship height (cm) | 22.1 |
| Ship length (cm) | 21.08 |
| Ship width (cm) | 21.08 |
| Country of Origin | US |
Product Details:
Backflow Repair Kit, Second Check, 6 Inch Size
Product Variants
| Product | Model | Kit Type | Type | Ada Compliant | Mfr. Series | Lead Free | Buy American Act Compliant | Price | |
|---|---|---|---|---|---|---|---|---|---|
![]() |
RK757/757DCDA-CK2 21/2-4 | Second Check Kit | - | No | RK-757 Series | - | - | €666.28 | |
![]() |
RK 757/757DCDA-CK1 6 | First Check Kit | - | No | RK-757 Series | Yes | Yes | €997.96 | |
![]() |
RK 757/757DCDA-CK1 8 | First Check Kit | Kit Components | No | RK-757 Series | Yes | Yes | €1,543.05 |
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WATTS RK 757/757DCDA-CK2 6 7018133 Backflow Repair Kit, Second Check, 6 Inch Size
€967.90 /unit



