Watts Backflow Preventer: 9D, 3/4 in Pipe Size, 18.7 gpm Flow Rate, 4.81 in Overall Lg
The WATTS 9D is a continuous pressure dual check backflow preventer in a 3/4 in brass body, rated for 18.7 gpm flow. As a Watts product, it is designed to prevent reverse flow in potable water lines under continuous…
SKU 3G-OTH-430230
Also listed as: 349DSM2 · 3 4 9DS M2 · 3-4-9DS-M2
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 9D is a continuous pressure dual check backflow preventer in a 3/4 in brass body, rated for 18.7 gpm flow. As a Watts product, it is designed to prevent reverse flow in potable water lines under continuous pressure. 3G Electric interprets demand and delivers this genuine industrial part across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the Watts 9D backflow preventer used for?
The Watts 9D is a continuous-pressure dual check backflow preventer used in residential and commercial plumbing to prevent contaminated water from flowing backward into the potable water supply. It is typically installed on service lines or branch lines where low-hazard cross-connections exist.
What are the specifications of the Watts 9D backflow preventer?
The Watts 9D has a 3/4 in pipe size, a flow rate of 18.7 gpm, and an overall length of 4.81 in. It is made of brass and is designed for continuous pressure applications. The manufacturer part number is 3/4 9DS-M2.
Where to buy the Watts 9D backflow preventer worldwide?
3G Electric supplies the Watts 9D backflow preventer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this brass dual check valve.
How to install a Watts 9D dual check backflow preventer?
Install the Watts 9D in a horizontal or vertical position with the flow arrow pointing downstream. Ensure the device is accessible for testing and maintenance. Use thread sealant on the inlet and outlet connections. Always follow local plumbing codes and the manufacturer's instructions for proper installation.
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3G Electric supplies Watts continuous pressure dual check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
