Watts LF909M1-DOSY-FS Reduced Pressure Zone Backflow Preventer
The Watts LF909 Large is a reduced pressure zone (RPZ) backflow preventer from the Watts RPZ Backflow Preventers product line. This model (MPN LF909M1-DOSY-FS) features a cast iron body, flange connections, and an…
SKU 3G-OTH-444375
Also listed as: LF909M1DOSYFS · LF909M1 DOSY FS
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The Watts LF909 Large is a reduced pressure zone (RPZ) backflow preventer from the Watts RPZ Backflow Preventers product line. This model (MPN LF909M1-DOSY-FS) features a cast iron body, flange connections, and an OSY gate valve shut-off type, and includes a flood detection sensor.
Frequently Asked Questions
What is the Watts LF909 Large RPZ backflow preventer used for?
The Watts LF909 Large reduced pressure zone assembly is used to protect potable water supplies from backflow contamination in commercial, industrial, and municipal applications. It is suitable for high-hazard cross-connections where continuous protection is required, such as in irrigation systems, fire lines, and process water lines.
What are the specifications of the Watts LF909M1-DOSY-FS?
The Watts LF909M1-DOSY-FS is a reduced pressure zone assembly with a cast iron body, flange connections, and an OSY gate valve shut-off type. It includes a flood detection sensor for leak monitoring. The manufacturer part number is LF909M1-DOSY-FS. This model is part of the Watts RPZ Backflow Preventers product line.
Where to buy the Watts LF909 Large RPZ backflow preventer worldwide?
You can source the Watts LF909 Large RPZ backflow preventer through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this model (MPN LF909M1-DOSY-FS).
How to install a Watts LF909 RPZ backflow preventer?
Install the Watts LF909 RPZ assembly in a horizontal position with adequate clearance for testing and maintenance. Ensure the flood detection sensor is connected per the manufacturer's instructions. Use flange gaskets and bolts rated for the system pressure. Always follow local plumbing codes and the Watts installation manual for proper operation.
Used in
Common applications for WattsWatts Products
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.
