Watts LF909-DOSY-FS Reduced Pressure Zone Backflow Preventer
The WATTS Reduced Pressure Zone Assembly: LF909 Large is a Watts RPZ Backflow Preventer featuring a cast iron body and flange connection type. This model includes a flood detection sensor and is equipped with an OSY…
SKU 3G-OTH-444374
Also listed as: LF909DOSYFS · LF909 DOSY FS
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The WATTS Reduced Pressure Zone Assembly: LF909 Large is a Watts RPZ Backflow Preventer featuring a cast iron body and flange connection type. This model includes a flood detection sensor and is equipped with an OSY Gate Valve shut-off valve type, as indicated by the manufacturer part number LF909-DOSY-FS.
Frequently Asked Questions
What is the Watts LF909-DOSY-FS reduced pressure zone assembly used for?
The Watts LF909-DOSY-FS is a reduced pressure zone (RPZ) backflow preventer used to protect potable water supplies from cross-connection contamination in commercial, industrial, and municipal applications. Its flood detection sensor provides early leak warning, making it suitable for high-hazard fluid categories where maximum backflow protection is required.
What are the specifications of the Watts LF909-DOSY-FS RPZ assembly?
The Watts LF909-DOSY-FS is a large RPZ backflow preventer with a cast iron body and flange connections. It features an OSY gate valve shut-off type and includes an integrated flood detection sensor. The manufacturer part number is LF909-DOSY-FS. This assembly is designed for high-flow, high-hazard backflow prevention in water systems.
Where to buy the Watts LF909-DOSY-FS RPZ assembly worldwide?
3G Electric supplies the Watts LF909-DOSY-FS RPZ backflow preventer to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact our team to source this Watts RPZ assembly for your project, regardless of your location.
How to install a Watts LF909-DOSY-FS reduced pressure zone assembly?
Install the Watts LF909-DOSY-FS in a horizontal position with adequate clearance for testing and maintenance. Ensure flange connections are properly gasketed and bolted to matching pipe flanges. The flood detection sensor should be wired per local codes. Always follow the manufacturer's installation manual and consult a licensed plumber for code compliance.
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3G Electric supplies Watts watts rpz backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
