Surprising fact: nearly 1 in 20 commercial beverage lines report service issues from backflow risks each year, impacting safety and uptime across venues in the United States.
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Buy SD-3 series products at Installation Parts Supply for fast availability and professional advice. Our experts guide installers and specifiers to the right parts, ensuring quick nationwide shipment.
The compact valve features a durable stainless steel body and lead-free construction for code-friendly installs. An integrated strainer and strong materials ensure a long lifespan in high-traffic water and beverage systems.
With its dual check layout and atmospheric vent, this unit delivers clear visual indication of how the checks are performing. It withstands regular commercial pressures and heat while simplifying installation with 3/8 inch connections.
Rely on Installation Parts Supply for authentic components, useful assistance, and the spec/install documentation required to optimize projects and maintain reliable dispensing lines.
SD-3 Dual Check With Atmospheric Vent At A Glance
Here’s a compact overview of the SD-3 design and performance so installers can verify fit fast.
Materials and build: The device features a stainless steel shell alongside a compact steel body. Its lead-free design ensures code adherence and safe drinking water connections.
Operational Performance And Safety
Its dual check design combined with an atmospheric vent delivers visible feedback on check operation. An internal strainer minimizes sediment, allowing the checks to function smoothly and last longer.

Pressure Ratings And Connection Specs
- Maximum working pressure: 150 psi and rated for common beverage line pressure demands.
- Max temperature: 130°F for standard dispensing settings.
- Standard 3/8″ female NPT intake and 3/8″ flare exhaust for simple connections.
| Feature | Details | Benefit |
|---|---|---|
| Housing material | Stainless steel | Corrosion resistance |
| Filter | Included | Less debris, longer life |
| Configuration | Dual check with atmospheric vent | Simple visual safeguard |
Technical Specifications And Features
Purpose and build: This small device is engineered for water and beverage systems where reliability and space are critical.
Its stainless steel body and finish fight corrosion and endure active service settings. The lead-free structure aids in code compliance and ensures safe potable connections.
- Operating Limits: Steady pressure operation with a max rating of 150 psi and a maximum temperature of 130°F.
- Fittings: Standard 3/8 inch female NPT inlet and 3/8 inch flare outlet streamline installs and replacements.
- Safety: A dual check design featuring an atmospheric vent provides backpressure protection and visual status indication.
- Seals: Santoprene discs and a Noryl seat deliver reliable sealing for the check valve components.
- Filtration: Included wye pattern straining holds back debris and lowers the frequency of maintenance.
| Attribute | Specification | User Advantage |
|---|---|---|
| Body material | SS | Durable, corrosion resistant |
| Max Pressure | 150 PSI | Manages standard dispensing pressure |
| Strainer | Wye-pattern pattern strainer | Protects checks, reduces servicing |
| Series | SD-3 | Designed for drink 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
Purchase with confidence: Installation Parts Supply holds stock of the SD-3 model for dispensing setups and offers rapid US shipping plus expert support.
Perfect For Cafés, Bars, And Vending Machines
The SD-3 adapts to common dispensing hardware and supports carbonated drink machines and beverage dispensers in busy locations.
Its compact size makes installs simple and keeps lines tidy while protecting product and equipment from check valve backflow risks.
Atmospheric Vent For Easy Service Detection
The atmospheric port gives a visible sign allowing staff to identify issues soon. This port offers visual proof of the second check’s condition.
If there is a failure second check, the port provides visual cues for fast maintenance and reduced downtime.
Model Numbers And Ordering Data
Item: SD-3 (Lead Free). EAN: 098268848953. Part #: 0061657.
| Attribute | Specification | Advantage |
|---|---|---|
| Port Types | 3/8″ NPT in / 3/8″ flare out | Easy hookup to beverage lines |
| Strainer | Yes – port strainer carbonated design | Guards checks, lowers clogs |
| Documentation | Spec sheet & installation instructions | Accurate ordering with upc/EAN |
We keep the SD-3 in stock for beverage service experts. Purchase from Installation Parts Supply to keep dispensing machines running and get fast assistance specifying the right hardware.
Summary
In need of a compact dual check valve featuring an atmospheric port? Installation Parts Supply makes ordering simple and fast.
The SD-3 combines a stainless steel body with a built-in strainer and clear atmospheric vent feedback. This device handles common dispensing pressure and makes service easier with visible vent indicators.
Buy with confidence: use EAN 098268848953 or Part # 0061657 to reorder the precise valve setup. Contact Installation Parts Supply for expert help matching connections and documents so your beverage and water lines keep operating.