Description
The Watts F391011 is a 1-1/2″ lead-free quarter-turn full shutoff valve engineered as a direct replacement and service component for the Watts LF909M1-QT-FS reduced pressure zone (RPZ) backflow preventer assembly. Designed to meet lead-free compliance standards, this shutoff provides dependable full-port isolation for potable water and hydronic systems wherever the Watts 909 series is installed.
Key Features
- Lead-free (LF) construction for potable water compliance
- Quarter-turn (QT) operation for fast, positive shutoff
- Full shutoff (FS) design ensures complete flow isolation
- 1-1/2″ connection size for direct compatibility with LF909M1 assemblies
- Genuine Watts OEM replacement part — SKU F391011
- Engineered for use with Watts 909 series reduced pressure zone backflow preventers
Applications
- Replacement shutoff for Watts LF909M1-QT-FS backflow preventer assemblies
- Commercial and residential potable water systems
- Hydronic and plumbing isolation service
- Maintenance and repair of RPZ backflow preventer installations
Specifications
- Brand: Watts
- SKU: F391011
- Connection Size: 1-1/2″
- Operation: Quarter-Turn
- Lead-Free: Yes
- Compatible Assembly: LF909M1-QT-FS
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