The Caleffi NA11605 is FlowShield Complete Repair kit for 3/4 in 574, a genuine FlowShield service part for Caleffi backflow preventers.
Product data compiled from Caleffi North America technical documentation; warranty per Caleffi North America Limited Warranty. Last reviewed July 2026.
FunctionService Part
Connection3/4 in
Warranty2 Years
Key Features
Genuine FlowShield Part
Factory service component: FlowShield Complete Repair kit for 3/4 in 574.
Direct Fit
Designed to fit and rebuild the matching Caleffi FlowShield backflow preventer.
Technical Data
| Fits | Fits the 3/4 in FlowShield RP models (574050A / 574056A) |
|---|---|
| Function | Backflow preventer service part |
| Connection | 3/4 in |
Documentation
Technical brochureRelated Products
Caleffi 594713/4 Backflow PartCaleffi 594723/4 Backflow PartCaleffi NA116041/2 Backflow PartCaleffi 304050A3/4 Vacuum Relief Valve
Frequently Asked Questions
What is the Caleffi NA11605?
It is FlowShield Complete Repair kit for 3/4 in 574, a genuine Caleffi FlowShield service / repair part.
Which preventer does it fit?
It fits the 3/4 in FlowShield RP models (574050A / 574056A). Confirm your installed model and size before ordering.
2-Year Limited Warranty. Backed by Caleffi North America's limited warranty against defects in material and workmanship for two years from date of shipment. See Caleffi's limited warranty for full terms.
- Type:
- Accessory
- Series:
- FlowShield
- Connection Size:
- 3/4 in
