Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Image not available
ZURN WILKINSZurn Double Check Backflow Preventers

ZURN WILKINS 34-350FT Double Check Backflow Preventer, 3/4 in, Flange x Flange

The ZURN WILKINS Double Check Backflow Preventer 34-350Ft: 350 (MPN 34-350FT) is a 3/4 in pipe size backflow preventer with flange x flange connections. It features a ball valve shut-off valve type.

SKU 3G-OTH-439824

Also listed as: 34350FT · 34 350FT

Brand
ZURN WILKINS
Item
34-350FT Double Check Backflow Preventer, 3/4 in, Flange x Flange
Category
Zurn Double Check Backflow Preventers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ZURN WILKINS
Manufacturer Part Number
34-350FT
Type
Flange x Flange, 350
Pipe Size
3/4 in
Connection Type
Flange x Flange
Shut-Off Valve Type
Ball Valve

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ZURN WILKINS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ZURN WILKINS Double Check Backflow Preventer 34-350Ft: 350 (MPN 34-350FT) is a 3/4 in pipe size backflow preventer with flange x flange connections. It features a ball valve shut-off valve type.

Frequently Asked Questions

What is a ZURN WILKINS Double Check Backflow Preventer used for?

A ZURN WILKINS Double Check Backflow Preventer protects potable water supplies from contamination by preventing reverse flow. It is commonly installed in commercial and industrial plumbing systems where a non-health hazard cross-connection exists, such as fire sprinkler or irrigation lines.

What are the specifications of the ZURN WILKINS 34-350FT backflow preventer?

The ZURN WILKINS 34-350FT has a 3/4 in pipe size with flange x flange connections. It includes a ball valve shut-off valve type and is model 350. This double check assembly is designed for reliable backflow prevention in moderate-hazard applications.

Where to buy a ZURN WILKINS 34-350FT backflow preventer worldwide?

3G Electric supplies the ZURN WILKINS 34-350FT double check backflow preventer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this model.

How to install a ZURN WILKINS double check backflow preventer?

Install the ZURN WILKINS double check backflow preventer in a horizontal or vertical orientation with adequate clearance for testing and maintenance. Ensure flange connections are properly gasketed and torqued. Always follow local plumbing codes and the manufacturer's installation instructions for safe operation.

Used in

Common applications for ZURN WILKINS
Commercial building water supply — ZURN WILKINS 350XL double check backflow preventer for cross-connection control
Industrial process lines — ZURN WILKINS 3-ZW209 automatic control valve for pressure regulation
Municipal irrigation systems — ZURN WILKINS 1-710 pressure vacuum breaker for backflow prevention
Potable water distribution — ZURN WILKINS 34-20XLDULU water pressure regulator for reducing inlet pressure
Fire protection systems — ZURN WILKINS 950XLTDA reduced-pressure zone backflow detector for high-hazard applications
HVAC makeup water — ZURN WILKINS 212-500XLFC flanged pressure reducing valve for boiler feed control

ZURN WILKINS Products

3G Electric supplies ZURN WILKINS zurn double check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Double check backflow preventer with 1 1/2 in pipe size and flange x flange connections. Features ball valve shut-off and overall length of 15.25 in. Used to prevent reverse flow in cross-connection control applications, protecting potable water supplies from non-health-hazard pollutants
ZURN WILKINS
Double check backflow preventer with 1 1/2 in pipe size and flange x flange connections. Features ball valve shut-off and overall length of 15.25 in. Used to prevent reverse flow in cross-connection control applications, protecting potable water supplies from non-health-hazard pollutants
Double check backflow preventer with 1 1/2 in pipe size and flange x flange connections. Features ball valve shut-off valves and 15.25 in overall length. Used in commercial and industrial water systems to prevent backflow in cross-connections such as irrigation, fire protection, and process water lines
ZURN WILKINS
Double check backflow preventer with 1 1/2 in pipe size and flange x flange connections. Features ball valve shut-off valves and 15.25 in overall length. Used in commercial and industrial water systems to prevent backflow in cross-connections such as irrigation, fire protection, and process water lines
Double check backflow preventer with a bronze body and flange x flange connections. Pipe size 2 in, overall length 16 in. Includes ball valve shut-off. Used in cross-connection control to prevent reverse flow in potable water systems
ZURN WILKINS
Double check backflow preventer with a bronze body and flange x flange connections. Pipe size 2 in, overall length 16 in. Includes ball valve shut-off. Used in cross-connection control to prevent reverse flow in potable water systems
Double check backflow preventer with 3/4 in pipe size, flange x flange connections, and ball valve shut-off. Constructed of bronze with an overall length of 11 in. Used in commercial and industrial plumbing systems to protect potable water from backflow in non-health hazard cross-connections
ZURN WILKINS
Double check backflow preventer with 3/4 in pipe size, flange x flange connections, and ball valve shut-off. Constructed of bronze with an overall length of 11 in. Used in commercial and industrial plumbing systems to protect potable water from backflow in non-health hazard cross-connections
ZURN WILKINS
ZURN WILKINS
Double check backflow preventer with 2 in FNPT x FNPT connections and ball valve shut-offs. Overall length 28.31 in. Used in commercial water systems to prevent reverse flow in non-health-hazard cross-connections such as fire sprinkler and irrigation lines
Double check backflow preventer with 1 in pipe size, flange x flange connections, and ball valve shut-off. Constructed of bronze with an overall length of 12.25 in. Used in commercial and industrial plumbing systems to prevent reverse flow caused by backpressure or backsiphonage, protecting potable water supplies
ZURN WILKINS
Double check backflow preventer with 1 in pipe size, flange x flange connections, and ball valve shut-off. Constructed of bronze with an overall length of 12.25 in. Used in commercial and industrial plumbing systems to prevent reverse flow caused by backpressure or backsiphonage, protecting potable water supplies

More from ZURN WILKINS

View all ZURN WILKINS parts
ZURN WILKINS
ZURN WILKINS
Double check backflow preventer with flange x flange connections and OSY gate valve shut-off. Pipe size 6 in. Used in water supply systems to prevent reverse flow caused by backpressure or backsiphonage
Double check backflow preventer with bronze body, 1 in FNPT x FNPT connections, and ball valve shut-offs. Overall length 12.25 in. Used in commercial and industrial water systems to prevent backflow in low-hazard applications such as irrigation, fire sprinkler, and process water lines
ZURN WILKINS
Double check backflow preventer with bronze body, 1 in FNPT x FNPT connections, and ball valve shut-offs. Overall length 12.25 in. Used in commercial and industrial water systems to prevent backflow in low-hazard applications such as irrigation, fire sprinkler, and process water lines
Double check backflow preventer with bronze body, 1 in pipe size, flange x flange connections, and ball valve shut-off. Overall length 12.25 in. Used to prevent reverse flow in water lines due to backpressure or backsiphonage
ZURN WILKINS
Double check backflow preventer with bronze body, 1 in pipe size, flange x flange connections, and ball valve shut-off. Overall length 12.25 in. Used to prevent reverse flow in water lines due to backpressure or backsiphonage
The ZURN WILKINS 350XL is a 2-inch double check backflow preventer with a bronze body and flange x flange connections. It features ball valve shut-offs and has an overall length of 16 inches. This assembly is used in water supply systems to prevent backflow contamination
ZURN WILKINS
The ZURN WILKINS 350XL is a 2-inch double check backflow preventer with a bronze body and flange x flange connections. It features ball valve shut-offs and has an overall length of 16 inches. This assembly is used in water supply systems to prevent backflow contamination
Double check backflow preventer with bronze body, 3/4 in MNPT x MNPT connections, and ball valve shut-off. Overall length 9.47 in. Used to prevent reverse flow in potable water systems due to backpressure or backsiphonage
ZURN WILKINS
Double check backflow preventer with bronze body, 3/4 in MNPT x MNPT connections, and ball valve shut-off. Overall length 9.47 in. Used to prevent reverse flow in potable water systems due to backpressure or backsiphonage
Double check backflow preventer with 3/4 in pipe size, flange x flange connections, and ball valve shut-off. Bronze body, 11 in overall length. Used in non-health hazard cross-connections such as irrigation or fire sprinkler systems
ZURN WILKINS
Double check backflow preventer with 3/4 in pipe size, flange x flange connections, and ball valve shut-off. Bronze body, 11 in overall length. Used in non-health hazard cross-connections such as irrigation or fire sprinkler systems
Double check backflow preventer with 1 in FNPT x FNPT connections, rated for 180°F maximum temperature. Includes ball valve shut-off valves. Overall length 14 in. Used in continuous pressure applications to prevent backflow in non-health-hazard cross-connections
ZURN WILKINS
Double check backflow preventer with 1 in FNPT x FNPT connections, rated for 180°F maximum temperature. Includes ball valve shut-off valves. Overall length 14 in. Used in continuous pressure applications to prevent backflow in non-health-hazard cross-connections
This 1-inch double check backflow preventer features a bronze body with male NPT threaded connections on both ends. It includes ball valve shut-offs and measures 11.75 inches in overall length. Designed for non-hazardous cross-connection control, it prevents reverse flow due to backpressure or backsiphonage in plumbing systems
ZURN WILKINS
This 1-inch double check backflow preventer features a bronze body with male NPT threaded connections on both ends. It includes ball valve shut-offs and measures 11.75 inches in overall length. Designed for non-hazardous cross-connection control, it prevents reverse flow due to backpressure or backsiphonage in plumbing systems