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ZURN WILKINS 34-350XLFT Double Check Backflow Preventer - Zurn Double Check Backflow Preventers
ZURN WILKINSZurn Double Check Backflow Preventers

ZURN WILKINS 34-350XLFT Double Check Backflow Preventer

The ZURN WILKINS 350XL is a double check backflow preventer with a 3/4 in pipe size and FNPT x FNPT connections. This bronze unit features a ball valve shut-off type and has an overall length of 11 in, identified by…

SKU 3G-OTH-439793

Also listed as: 34350XLFT · 34 350XLFT

Brand
ZURN WILKINS
Item
34-350XLFT Double Check Backflow Preventer
Category
Zurn Double Check Backflow Preventers
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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
34-350XLFT
Type
FNPT x FNPT, Bronze, 350
Overall Lg
11 in
Pipe Size
3/4 in
Connection Type
FNPT x FNPT
Shut-Off Valve Type
Ball Valve

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

Product Description

The ZURN WILKINS 350XL is a double check backflow preventer with a 3/4 in pipe size and FNPT x FNPT connections. This bronze unit features a ball valve shut-off type and has an overall length of 11 in, identified by manufacturer part number 34-350XLFT.

Frequently Asked Questions

What is the ZURN WILKINS 350XL backflow preventer used for?

The ZURN WILKINS 350XL is a double check backflow preventer used in commercial and residential water systems to prevent contaminated water from flowing backward into the potable supply. It is commonly installed on irrigation, fire sprinkler, and industrial process lines where low-hazard cross-connections exist.

What are the specifications of the ZURN WILKINS 350XL backflow preventer?

The ZURN WILKINS 350XL has a 3/4 in pipe size with FNPT x FNPT connections, a bronze body, and a ball valve shut-off type. Its overall length is 11 in, and the manufacturer part number is 34-350XLFT. This double check assembly is designed for low-hazard backflow protection in water supply systems.

Where to buy the ZURN WILKINS 350XL backflow preventer worldwide?

3G Electric supplies the ZURN WILKINS 350XL backflow preventer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact our team to source this model with part number 34-350XLFT for your project requirements.

How to install the ZURN WILKINS 350XL backflow preventer?

Install the ZURN WILKINS 350XL in a horizontal or vertical orientation with adequate clearance for testing and maintenance. Use pipe thread sealant on the FNPT connections and ensure flow direction matches the arrow on the body. Always follow local plumbing codes and test the assembly after installation to verify proper 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.

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Double check backflow preventer with 3/4 in FNPT x FNPT connections. Bronze body with ball valve shut-off. Overall length 11.25 in. Used in water systems to prevent backflow of contaminated water into potable supply
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Double check backflow preventer with 1 1/4 in pipe size and MNPT x MNPT connections. Features ball valve shut-off type and overall length of 15.25 in. Used to prevent reverse flow in potable water systems due to backpressure or backsiphonage, suitable for cross-connection control in commercial and industrial plumbing
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
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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
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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
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Double check backflow preventer with 3/4 in pipe size and flange x flange connections. Features ball valve shut-off valves. Used in non-health hazard cross-connections such as fire sprinkler or irrigation lines to protect potable water supplies from backflow
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
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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
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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
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