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. Last reviewed July 2026.
FunctionService Part
Connection3/4 in
BodyDZR Low-Lead Brass
Max Pressure150 psi
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
| Function | Backflow preventer service part |
|---|---|
| Connection | 3/4 in |
| Body material | DZR low-lead brass |
| Maximum operating pressure | 150 psi |
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 is designed for the matching Caleffi FlowShield backflow preventer in its series. Confirm the model 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
