1-1/4 in. Cast Copper Silicon Alloy Female Threaded Backflow Preventer

Part #WLF909M1QTH  |  Item #3920815  |  Manufacturer Part #0391010

$3,186.40 EACH

Valve Size:

1-1/4 in
Packaging Info:
  • Quantity Per 
  • Each: 1
  • Inner pack: 1
  • Case: 1

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Product Details

  • Modular design
  • Replaceable seats
  • Compact for installation ease
  • No special tools required for servicing
  • Lead-Free

Lead Law Compliant



ADA Compliant: No

ANSI Specifications: ANSI 372, ANSI 61 Annex G

ASSE Standards: ASSE 1013

AWWA Specifications: AWWA C-511

Application: Health Hazard

BAA Compliant: Yes

CSA Certified: CSA B64.4

Color Finish: Cast Bronze

Color Finish Category: Bronze Tones

Depth: 23-1/2 in

End Connection 1: FNPT

End Connection 2: FNPT

End Connections: FNPT x FNPT

FM Approved: No

Fitting Size 1: 1-1/4 in

Fitting Size 2: 1-1/4 in

Fitting Sizes: 1-1/4 in

Height: 11-5/8 in

IAPMO Listed: Yes

Installation Type: Horizontal, Vertical

Lead Law Compliant: Yes

Length: 18-1/2 in

Material: Bronze

Maximum Pressure: 175 psi

Maximum Temperature: 140

Minimum Temperature: 33

NSF Certified: Yes

NSF Specifications: NSF 372, NSF 61G

Number of Handles: Two Handle

Recommended Valve Application: Water

Temperature Range: 33 to 140 Deg F (0.5 to 60 Deg C)

UL Listed: No

Valve Body Material: Cast Copper Silicon Alloy

Valve Body Style: Inline

Valve Disc Material: Silicone

Valve Operator: Lever Handle

Valve Seat Material: Engineered Plastic

Valve Size: 1-1/4 in

Valve Type: Reduced Pressure Zone Assembly

Weight: 40

Width: 13-1/2 in