919ELF

Item Number: 0881579
1 1
$261.00
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Brand - Watts
  • Application: Watts Series 919 RPZ Assemblies
  • Weight: 12.8 lb
  • Compatible Sizes: 1 1/4 - 2 inch
  • Material: Metal construction
  • Drain Connection Size: 2 inch NPT
  • Weight: 3.5 lbs
  • Prevents backflow contamination
  • Suitable for vertical or horizontal installation
  • Manages nuisance discharge

Description

The Watts 919ELF Air Gap Vent Elbow is an essential accessory for 1 1/4 to 2 inch Watts Series 919 Reduced Pressure Zone Assemblies. This durable metal elbow provides a physical separation between the potable water supply and an open receiving vessel, effectively preventing backflow contamination. It manages nuisance discharge from the relief valve and supports both vertical and horizontal installations, with the vent elbow being required for vertical setups. Installation of an air gap and a proper drain line is recommended to ensure optimal backflow prevention and compliance. Item number 0881579.

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Compatibility

This air gap vent elbow is designed for use with Watts Series 919 Reduced Pressure Zone Assemblies in sizes ranging from 1 1/4 to 2 inches. It provides an essential physical air gap for the discharge line of the assembly.

Installation

  • Connects to the discharge side of the Watts Series 919 RPZ assembly.
  • A drain line should be installed with the air gap to direct nuisance discharge.
  • Can be installed in either a vertical or horizontal orientation. Vertical installations specifically require this vent elbow.
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Additional Details

The WATTS 919ELF air gap vent elbow is designed for 1 1/4-2 inch Series 919 Reduced Pressure Zone Assemblies. It provides an unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel, preventing backflow contamination.

Key Features

  • Compatible with Watts Series 919 Reduced Pressure Zone Assemblies in 1 1/4-2 inch sizes
  • Aids in managing nuisance discharge from the relief valve
  • Durable metal construction with a protective coating
  • Allows for vertical or horizontal installation (vent elbow required for vertical installation)

Installation of an air gap and drain line are recommended on reduced pressure zone assemblies.

Specifications

  • Application: Watts Series 919 Reduced Pressure Zone Assemblies
  • Compatible Sizes: 1 1/4 - 2 inch
  • Construction Material: Metal
  • Drain Connection Size (NPT): 2 inch
  • Weight: 3.5 lbs (1.6 kg)

Dimensions

  • A Dimension: 4 3/8 inches (111 mm)
  • B Dimension: 8 7/16 inches (214 mm)
  • C Dimension: 2 inches (51 mm)

FAQs

What is the primary purpose of the Watts 919ELF Air Gap Vent Elbow?

Its primary purpose is to provide an unobstructed, physical separation between the potable water supply line and an open receiving vessel, preventing backflow contamination from a Reduced Pressure Zone (RPZ) assembly.

What Watts RPZ series is this air gap vent elbow compatible with?

This air gap vent elbow is specifically designed for use with Watts Series 919 Reduced Pressure Zone Assemblies.

What sizes of Watts Series 919 assemblies does this air gap support?

It is compatible with Watts Series 919 Reduced Pressure Zone Assemblies in sizes ranging from 1 1/4 inches to 2 inches.

Can this air gap vent elbow be installed in any orientation?

Yes, it can be installed either vertically or horizontally. The vent elbow is specifically required for vertical installations.

Is a drain line required with this air gap?

Yes, the installation of an air gap and a drain line are recommended on reduced pressure zone assemblies to properly manage discharge.