400B
Discontinued
Bronze Reduced Pressure Zone Assembly Backflow Preventers
Series 400B Reduced Pressure Zone Assemblies prevent the reverse flow of contaminated water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of a bronze body construction, two poppet style check valves and replaceable check seats, with an intermediate relief valve. Series 400B's compact modular design facilitates easy maintenance and assembly access. It is ideal for protection at health hazard cross-connections or for containment at the service line entrance. Check with local water authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).
Literature
Select a Model
Select options below to identify the UPC, Order Code, and Repair Kit for a specific 400B
No results found
| Model | Product Used On | Kit Contents |
|---|---|---|
|
ARK 400B-CK1 3/4
First Check Kit |
</br> |
Check Assembly, Seat, Seat O-ring, Spring, Cover O-ring</br> |
|
ARK 400B-CK2 3/4
Second Check Kit |
</br> |
Check Assembly, Seat, Seat O-ring, Spring, Cover O-ring</br> |
|
ARK 400B-RC4 3/4
First or Second Check Kit |
</br> |
Disc, Seat O-ring, Cover O-ring</br> |
|
ARK 400B-RT 3/4
Complete Rubber Parts Kit |
</br> |
2 Check Discs, 2 Check Seat O-rings, 2 Check Cover O-rings, RV Disc, RV O-ring, RV Cover O-ring, RV Diaphragm</br> |
|
ARK 400B-RV 3/4-1
Relief Valve Rubber Parts Kit |
</br> |
Relief Valve Disc, RV Diaphragm, RV Seat O-ring, Cover O-ring</br> |
|
ARK 400B-S 3/4
Seat Kit |
</br> |
Seat, Seat O-ring, Cover O-ring</br> |
|
ARK 400B-SV 3/4-1
Relief Valve Seat Kit |
</br> |
Relief Valve Seat, RV Seat O-ring, RV Cover O-ring</br> |
|
ARK 400B-VT
Total Relief Valve Kit |
</br> |
Relief Valve Assembly, RV Spring, RV Cover O-ring</br> |
|
LFARK 400B-C 3/4
Cover Kit |
</br> |
Cover, Cover O-ring</br> |
|
LFARK 400B-VC 1/4-1/2
Relief Valve Cover Kit |
</br> |
Relief Valve Cover, RV Cover O-ring</br> |
Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.