Watts 909-AGK Air Gap Drain Fitting

Item Number: 0881385
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$770.25
Limited Stock (2)
Estimated transit time: 2 to 5 Business Days Eligible for Express Shipping

Brand - Watts
  • Model: 909AGK
  • Weight: 8.7 lb
  • SKU: 0881385
  • Compatibility: Watts 909/LF909 (4-6 IN), 909M1/LF909M1 (8-10 IN)
  • Outlet Connection: 3 inch Female NPT
  • Construction: Metal with durable coating
  • Provides unobstructed physical separation
  • Vertical or Horizontal Installation (vent elbow required for vertical)
  • Weight: 14 lbs

Description

The Watts 909-AGK Air Gap Drain Fitting (0881385) provides essential physical separation between a potable water supply and a drain. Designed for Watts 909, LF909, 909M1, and LF909M1 Reduced Pressure Zone (RPZ) backflow assemblies in 4 to 10-inch sizes, it safely directs nuisance discharge. Featuring durable metal construction and a 3-inch Female NPT outlet, this air gap ensures compliance by preventing back-siphonage into the water supply. It supports both horizontal and vertical installations, enhancing flexibility for various plumbing configurations.

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Backflow Preventer Compatibility

  • This air gap is designed for use with Watts 909 and LF909 Reduced Pressure Zone (RPZ) assemblies in sizes 4 to 6 inches.
  • It is also compatible with Watts 909M1 and LF909M1 Reduced Pressure Zone (RPZ) assemblies in sizes 8 to 10 inches.

Drain Connection

  • The bottom of the air gap features a 3 inch Female NPT connection for piping discharge to an open receiving vessel or drain line.

Installation Orientation

  • The air gap can be installed in either a vertical or horizontal orientation.
  • For vertical installation, a separate vent elbow is required.
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Additional Details

This Watts 909-AGK Air Gap Drain Fitting is designed to provide an unobstructed, physical separation between a potable water supply line and an open receiving vessel. It attaches to the relief port of a Reduced Pressure Zone (RPZ) backflow device to safely direct any discharge to a drain.

Features

  • Provides an unobstructed physical separation
  • Constructed from metal with a durable coating
  • Designed to manage nuisance discharge from backflow preventers

Connections

  • The bottom of the air gap features a 3 inch female NPT connection for piping discharge to a drain line.

Installation

  • Can be installed in either a vertical or horizontal orientation.
  • A separate vent elbow is required for vertical installation.

Specifications

  • Model: 909AGK
  • SKU: 0881385
  • Series Compatibility: Watts 909, LF909 (4-6 inch); Watts 909M1, LF909M1 (8-10 inch)
  • Outlet Connection Size: 3 inch Female NPT
  • Construction Material: Metal
  • Coating: Durable
  • Overall Height (A): 6 3/8 inches (162 mm)
  • Overall Width (B): 9 5/8 inches (244 mm)
  • Overall Length (C): 10 inches
  • Weight: 14 lbs (6.25 kg)

Certificates & Approvals

  • ANSI/ASME A112.1.2

FAQs

What is the primary purpose of the Watts 909-AGK Air Gap Drain Fitting?

Its primary purpose is to provide an unobstructed physical separation between a potable water supply line and an open receiving vessel or drain, preventing back-siphonage from discharged water into the clean water supply.

Which Watts backflow preventer series is this air gap compatible with?

This air gap is compatible with Watts 909 and LF909 series in 4 to 6-inch sizes, and with Watts 909M1 and LF909M1 series in 8 to 10-inch sizes.

What is the connection size for the drain line on this air gap?

The bottom of the air gap features a 3-inch Female NPT connection for attaching a drain line.

Can this air gap be installed vertically?

Yes, it can be installed vertically, but a separate vent elbow is required for vertical installation to ensure proper function.

What materials are used in the construction of the 909-AGK air gap?

The air gap is constructed from durable metal and features a protective coating for longevity.