Description
The Watts 0881378 is a replacement air gap designed for use with Watts 009 and 909 series reduced pressure zone (RPZ) backflow preventers in pipe sizes ranging from 1-1/2″ to 3″. Air gaps are a critical component of backflow prevention assemblies, providing a physical separation between the discharge port of the relief valve and any downstream drain or receptor to prevent contamination of the potable water supply.
This genuine Watts OEM air gap ensures a proper, code-compliant fit for field service and replacement applications. It is engineered to maintain the integrity of the backflow prevention assembly and meet local plumbing and cross-connection control code requirements.
Key Features
- Compatible with Watts 009 and 909 series reduced pressure zone backflow preventers
- Covers pipe sizes from 1-1/2″ through 3″
- Genuine Watts OEM replacement part (SKU: 0881378)
- Provides required physical air gap at relief valve discharge port
- Supports code-compliant backflow prevention assembly installations
- Designed for straightforward field installation and replacement
Applications
- Replacement air gap for Watts 009/909 RPZ backflow preventer assemblies
- Commercial and industrial plumbing and hydronic systems
- Potable water cross-connection control installations
- Irrigation and fire suppression system backflow protection
Specifications
- SKU: 0881378
- Compatible Series: Watts 009 / 909
- Pipe Size Range: 1-1/2″ – 3″
- Type: Air Gap
- Brand: Watts







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