Did you know? Approximately 1 out of every 20 commercial drink systems experience maintenance problems due to backflow hazards annually, affecting operational uptime and safety in venues throughout the U.S.
Buy Now Watts SD 3
Purchase the SD-3 series solutions from Installation Parts Supply to gain immediate access and expert recommendations. Our team helps specifiers and installers find the right components and ships fast across the country.
This compact valve utilizes a tough stainless steel body and lead-free design to ensure code-friendly setups. A built-in strainer and robust body materials support long service life in busy beverage and water systems.
The dual check configuration featuring an atmospheric vent provides distinct, visual feedback on valve performance. It manages standard commercial temps and pressures while making integration easy with 3/8 inch fittings.
Count on Installation Parts Supply for genuine parts, helpful support, and the specification and installation literature needed to streamline projects and keep dispensing lines reliable.
Quick Look At The SD-3 Dual Check With Atmospheric Vent
Here is a concise snapshot of the SD-3 design and capabilities so technicians can verify the fit immediately.
Key build and materials: The unit uses a stainless steel shell and a compact steel body. Lead-free construction supports code compliance and safe potable connections.
Operational Performance And Safety
The dual-check arrangement with an atmospheric vent provides a visual sign of check valve function. The integrated strainer reduces sediment, helping the checks operate smoothly and last longer.

Ratings And Connections
- Maximum pressure rating: 150 psi, suitable for common beverage line demands.
- Maximum temperature: 130°F for normal dispensing environments.
- Standard 3/8″ female NPT intake and 3/8″ flare exhaust for simple connections.
| Spec | Value | Benefit |
|---|---|---|
| Housing material | Stainless steel | Resists rust |
| Filter | Included | Less debris, longer life |
| Type | Dual check with atmospheric vent | Easy visual safety check |
Detailed Features And Technical Specs
Main construction: This space-saving unit is made for beverage and water applications where space and reliability are important.
The stainless steel body and finish resist corrosion and stand up to busy service environments. Lead-free manufacturing ensures code compliance and safe potable water links.
- Pressure and Temp: Continuous pressure operation with a maximum working rating of 150 psi and a top temperature of 130°F.
- Fittings: Standard 3/8 in female NPT inlet and 3/8 in flare outlet simplify installs and retrofits.
- Protection: The dual check structure with an atmospheric vent delivers defense against backpressure and visual check status.
- Gasket Materials: Santoprene discs and a Noryl seat deliver reliable sealing for the check valve components.
- Filtration: Built-in wye pattern straining traps debris and reduces maintenance needs.
| Spec Category | Technical Data | Benefit |
|---|---|---|
| Body material | Stainless steel | Long-lasting, rust resistant |
| Max Pressure | 150 psi | Handles typical dispensing pressure |
| Strainer | Wye-pattern strainer | Protects checks, reduces servicing |
| Model Series | SD-3 | Engineered for beverage line integration |
Installation Parts Supply offers spec sheets and install guides to assist installers and engineers in specifying the right series parts quickly.
Use Cases And Buying Details For Watts Asse 1022 Backflow Preventer
Order securely: Installation Parts Supply inventories the SD-3 model for dispensing machinery and offers speedy shipping in the U.S. plus friendly technical support.
Perfect For Cafés, Bars, And Vending Machines
The SD-3 works with typical dispensing equipment and supports beverage machines and carbonators in high-volume areas.
Its space-saving size ensures simple installs and tidy lines while protecting equipment and product from check valve backflow issues.
Atmospheric Vent For Easy Service Detection
The atmospheric port provides visible indication so staff can spot issues early. This vent provides visual indication of second check health.
If the second check fails, the vent provides visual cues for rapid service and minimized downtime.
Ordering Details And Model Information
Unit: SD-3 (Lead Free). EAN: 098268848953. Part No.: 0061657.
| Attribute | Data | Pro |
|---|---|---|
| Port Types | 3/8 in NPT inlet / 3/8 in flare outlet | Simple link to drink lines |
| Strainer | Yes – port strainer carbonated design | Guards checks, lowers clogs |
| Documentation | Spec sheet & installation instructions | Precise ordering using EAN/UPC |
We stock the SD-3 for beverage service pros. Purchase from Installation Parts Supply to keep dispensing machines running and get fast assistance specifying the right hardware.
Wrap Up
Need a compact dual check valve with an atmospheric port? Installation Parts Supply makes ordering simple and fast.
The SD-3 pairs a stainless steel body with an integrated strainer and clear atmospheric port feedback. This valve manages standard dispensing pressure and eases service with visible vent signals.
Purchase with assurance: utilize EAN 098268848953 or Part No. 0061657 to reorder the correct valve configuration. Contact Installation Parts Supply for expert help matching connections and documents so your beverage and water lines keep operating.