Watts Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor
The Watts LF909 Large is a reduced pressure zone (RPZ) backflow preventer from the Watts RPZ Backflow Preventers product line. This assembly features a cast iron body with flange connections and includes an OSY gate…
SKU 3G-OTH-444411
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 LF909 Large is a reduced pressure zone (RPZ) backflow preventer from the Watts RPZ Backflow Preventers product line. This assembly features a cast iron body with flange connections and includes an OSY gate valve shut-off valve type. It is equipped with a flood detection sensor, as indicated by the manufacturer part number LF909-DOSY-FS.
Frequently Asked Questions
What is a Watts LF909 reduced pressure zone assembly used for?
The Watts LF909 RPZ assembly prevents backflow of contaminated water into potable water supplies. It is used in commercial, industrial, and municipal applications where high-hazard cross-connections exist, such as irrigation, boiler feed, and fire protection systems.
What are the specifications of the Watts LF909-DOSY-FS?
The Watts LF909-DOSY-FS is a large reduced pressure zone assembly with a cast iron body, flange connections, and an OSY gate valve shut-off. It includes a flood detection sensor. Connection type is flange. The manufacturer part number is LF909-DOSY-FS.
Where to buy a Watts LF909 backflow preventer worldwide?
3G Electric supplies the Watts LF909 reduced pressure zone assembly to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this model with flood detection sensor.
How to install a Watts RPZ backflow preventer?
Install the Watts RPZ assembly in a horizontal position with adequate clearance for testing and maintenance. Ensure the relief valve is at least 12 inches above grade. Follow local plumbing codes and the manufacturer's instructions for proper orientation and support of the cast iron body.
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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.
