Can you confirm this is for a 1 inch line? The picture has a 3/4 inch marking on the valve.

Our order came from Water Works Super Store and we did get 1 inch, there are two sizes online 3/4 & 1 inch. I believe our order said 1 inch.

is this usc approved backflow prevention devices?

Yes, it is, however you still need to check with your local water authority as they have the final say, especially since the one you inquired about is not lead free. Thank you

The picture shows a 3/4 inch unit but the description shows 1"? Just want to clarify that it is a 1" unit.

The 100-975xl or 1-975xl is a one inch unit. The 075-975xl is 3/4 inch.

Apparently there are different lengths. my 1" 975xl is 13" in length. will this unit fit?

The unit I got was a 3/4”-975XL-3/4” and it was 12” in length. A 1” unit may be a different length. Sorry.

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Zurn Wilkins 34-975XL Backflow Preventer

Zurn Wilkins 34-975XL Backflow Preventer

Product ID: 360109558

Details

Brand
Zurn
Colour
Bronze
Item dimensions L x W x H
30.5 x 13 x
Material
Bronze
Size
0.75 Inch

🔄Replaceable seats & silicone check disks

⚙️Compact wye pattern design

🛡️Corrosion-resistant bronze build

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฿57525

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Secure your water, secure your peace of mind!

TRUSTED APPROVED - City of Riverside CA approved with 4.5-star rating from 496 users
MAINTENANCE MADE EASY - Replaceable seats and silicone rubber check disks ensure hassle-free upkeep
ULTIMATE WATER SAFETY - Prevents backflow contamination to protect your potable water supply
SPACE SAVING WYE DESIGN - Short lay length wye pattern fits seamlessly into tight plumbing setups
DURABLE BRONZE CONSTRUCTION - Engineered with corrosion-resistant internals for long-lasting reliability

The Zurn Wilkins 34-975XL Backflow Preventer is a robust bronze device designed to prevent backpressure and backsiphonage in non-potable water lines, ensuring safe potable water. Featuring replaceable seats and silicone check disks, a compact wye pattern for easy installation, and corrosion-resistant internals, it’s trusted by professionals and approved by the City of Riverside CA.

Specifications

ASIN	B005HOO1S6
Brand	Zurn
Brand Name	Zurn
Color	Bronze
Colour	Bronze
Connector Type	Wye
Connector type	Wye
Customer Reviews	4.5 out of 5 stars 496 Reviews
Exterior Finish	Bronze
Global Trade Identification Number	00612052040240
Included Components	34-975XL - Reduced Pressure Principle Backflow Preventer
Item Dimensions	30.5 x 13 x 21.6 centimeters
Item Type Name	34-975XL - Reduced Pressure Principle Backflow Preventer
Item Weight	4.99 kg
Item dimensions L x W x H	30.5 x 13 x 21.6 centimeters
Manufacturer	Zurn
Manufacturer Part Number	34-975XL
Material	Bronze , Silicone
Material Type	Bronze, Silicone
Model Number	34-975XL
Number of Pieces	1
Set Name	34-975XL 0.75 Inch
Size	0.75 Inch
Thread Type	NPT
UPC	612052040240
Unit Count	1 Count

Reviews

C**S

City of Riverside CA Approved

23.05.2023

J**K

Exact replacement

18.01.2026

B**A

I stayed with same brand and model

20.06.2023

D**W

Expensive backflow device

21.03.2026

J**O

Perfect

7.03.2026

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