Watts Asse 1022 Backflow Preventer Products
Surprising fact: about 1 in 20 commercial beverage lines run into service issues from backflow risks each year, affecting safety and uptime across U.S. venues.
Browse the SD-3 series at Installation Parts Supply for fast access and knowledgeable support. Our team assists specifiers and installers in selecting the right components and provides fast shipping nationwide.
With its compact form, Asse 1022 dual check valve uses a durable stainless steel body and lead-free construction to support code-compliant installs. The built-in strainer and strong body materials promote extended service life in high-usage beverage and water lines.
Thanks to its dual check configuration and atmospheric vent, the unit offers an obvious visual indication of how the checks are performing. It handles typical commercial pressures and temperatures while simplifying integration with 3/8 in connections.
Rely on Installation Parts Supply for genuine components, friendly support, and the spec and installation literature you need to streamline projects and keep dispensing lines reliable.

SD-3 Dual Check with Atmospheric Vent: Quick Snapshot
Below is a concise SD-3 overview so installers can verify suitability in little time.
Main build and material details: It features a stainless steel outer shell paired with a compact steel body. Lead-free construction supports code compliance and safe potable connections.
Backflow performance and protection
The dual-check arrangement plus atmospheric vent provides a visible indication of proper check function. Its integrated strainer captures sediment, helping the checks run smoothly and extend service life.
Operating ratings and connections
- Maximum working pressure: 150 psi and rated for common beverage line pressure demands.
- Top operating temperature: 130°F, fitting most dispensing environments.
- Standard 3/8 in female NPT inlet with 3/8 in flare outlet for straightforward hookups.
| Parameter | Spec | Key benefit |
|---|---|---|
| Body material | Stainless steel body | High corrosion resistance |
| Strainer | Included | Lower debris load and longer service life |
| Backflow type | Dual check with atmospheric vent | Simple visual safeguard |
Key Features and Technical Specs
Design focus and purpose: The unit is engineered for beverage and water systems that require a compact footprint and dependable performance.
With a stainless steel body and finish, the unit resists corrosion and handles busy service environments. Lead-free construction supports code compliance and safe potable connections.
- Pressure & temperature: Designed for continuous pressure use, with a maximum working limit of 150 psi and a top operating temperature of 130°F.
- Connection details: Standard 3/8 in female NPT inlet and 3/8 in flare outlet simplify installs and retrofits.
- Protective design: Its dual check design and atmospheric vent provide backpressure protection along with a visible indication of check status.
- Seal materials: With Santoprene discs and a Noryl seat, the check valve components achieve dependable sealing.
- Straining: Integrated wye pattern straining captures debris and lowers maintenance frequency.
| Parameter | Rating | Advantage |
|---|---|---|
| Body construction | Stainless steel body | Durable construction with corrosion resistance |
| Pressure rating | Rated 150 psi | Works with common beverage dispensing pressures |
| Strainer style | Wye-pattern pattern strainer | Helps protect checks and reduces service frequency |
| Series | SD-3 series | Engineered for beverage line integration |
Spec sheets and installation guides from Installation Parts Supply help engineers and installers choose the right series components efficiently.
Watts Asse 1022 Backflow Preventer Applications and Purchasing Details
Order with confidence: Installation Parts Supply stocks the SD-3 model for dispensing equipment and offers quick U.S. shipping plus friendly spec support.
The SD-3 is compatible with common dispensing equipment and supports both carbonated beverage machines and other beverage equipment in high-traffic locations.
The compact footprint streamlines installation, keeps lines organized, and helps protect product and equipment from backflow risks at the check valve.
Atmospheric vent for easy service cues
The atmospheric port supplies a visible indicator that helps staff detect issues early. This vent offers a clear visual sign of second check condition.
Should the second check have a failure, the atmospheric port gives visible cues, enabling faster maintenance and lower downtime.
Ordering details and model identifiers
Model: SD-3 (Lead Free). EAN: 098268848953. Part No.: 0061657.
| Key attribute | Specification | Advantage |
|---|---|---|
| Connections | 3/8 in NPT inlet and 3/8 in flare outlet | Straightforward connection to beverage lines |
| Strainer | Yes – port strainer carbonated design | Protects checks, reduces clogging |
| Docs available | Spec sheet plus installation instructions | Helps ensure accurate ordering with UPC/EAN references |
We keep SD-3 units in stock for beverage service professionals. By ordering from Installation Parts Supply, you keep beverage machines running smoothly and gain quick assistance with specifying the right equipment.
Wrapping Up
Need a compact dual check valve with an atmospheric port? Installation Parts Supply makes ordering simple and fast.
With SD-3, you get a stainless steel body, built-in strainer, and clear visual feedback via the atmospheric port. This check valve manages typical dispensing pressures and simplifies service through visible vent cues.
Reorder with confidence: reference EAN 098268848953 or Part No. 0061657 to reorder the exact valve configuration. Contact Installation Parts Supply for friendly help matching connections and documentation so beverage and water lines keep running.
