Watts Asse 1022 Backflow Preventer Products
Surprising fact: roughly 1 in 20 commercial beverage lines experience backflow-related service problems every year, impacting safety and uptime for locations throughout the United States.
Shop the SD-3 series solutions at Installation Parts Supply for quick access and expert guidance. Our team helps specifiers and installers find the right components and ships fast across the country.
The compact Asse 1022 dual check valve comes with a rugged stainless steel body and lead-free design for code-compliant installations. An integrated strainer plus tough body materials help deliver long service life in demanding beverage and water systems.
Thanks to its dual check configuration and atmospheric vent, the unit offers an obvious visual indication of how the checks are performing. It is rated for typical commercial pressures and temperatures and simplifies integration with standard 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 Overview
Below is a concise SD-3 overview so installers can verify suitability in little time.
Main build and material details: The unit incorporates a stainless steel shell and compact steel body construction. Its lead-free construction promotes code compliance and safe potable water connections.
Performance and protection
The dual check layout with an atmospheric vent offers visible indication of check function. Its integrated strainer captures sediment, helping the checks run smoothly and extend service life.
Pressure/temperature ratings and connections
- Maximum working pressure: 150 psi and rated for common beverage line pressure demands.
- Maximum temperature rating: 130°F for standard dispensing environments.
- Standard 3/8 in female NPT inlet with 3/8 in flare outlet for straightforward hookups.
| Key attribute | Specification | Benefit |
|---|---|---|
| Body construction material | Stainless-steel | High corrosion resistance |
| Built-in strainer | Present | Lower debris load and longer service life |
| Type | Dual-check with atmospheric vent | Simple visual safeguard |
Key Features and Technical Specs
Design focus and purpose: This compact device is designed for beverage and water systems that demand both space efficiency and reliability.
Its stainless steel body and finish help resist corrosion and withstand demanding service environments. The lead-free build promotes compliance with potable water codes and supports safe potable connections.
- Pressure and temperature ratings: Supports continuous pressure operation up to a maximum working rating of 150 psi with a maximum temperature of 130°F.
- Connections: Featuring a standard 3/8 in female NPT inlet and 3/8 in flare outlet, it simplifies new installs and retrofit work.
- Protection: Its dual check design and atmospheric vent provide backpressure protection along with a visible indication of check status.
- Sealing materials: Santoprene discs and a Noryl seat deliver reliable sealing for the check valve components.
- Debris straining: Integrated wye pattern straining captures debris and lowers maintenance frequency.
| Parameter | Specification | Benefit |
|---|---|---|
| Body material | Stainless steel body | Long-lasting and corrosion resistant |
| Pressure rating | Rated 150 psi | Handles typical dispensing pressure |
| Strainer | Wye-pattern pattern strainer | Shields checks and lowers required servicing |
| Series | SD-3 line | Designed for beverage line integration |
Installation Parts Supply provides spec sheets and installation instructions to help engineers and installers specify the correct series components fast.
Watts Asse 1022 Backflow Preventer Applications and Purchasing Details
Buy 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.
Its compact size makes installs simple and keeps lines tidy while protecting product and equipment from check valve backflow risks.
Atmospheric vent for visual service indication
The atmospheric port supplies a visible indicator that helps staff detect issues early. This vent offers a clear visual sign of second check condition.
If the second check fails, the port offers visual cues that support quick maintenance and reduced downtime.
Ordering details and model identifiers
Model: SD-3 (Lead Free). EAN 098268848953. Part Number 0061657.
| Attribute | Spec | Advantage |
|---|---|---|
| Connection style | 3/8 in NPT inlet / 3/8 in flare outlet | Simple hookup to beverage lines |
| Strainer | Yes, port-style strainer for carbonated beverage design | Helps protect checks and lowers clogging risk |
| Documentation | Spec sheet plus installation instructions | Helps ensure accurate ordering with UPC/EAN references |
SD-3 models are stocked specifically for beverage service professionals. Order from Installation Parts Supply to keep beverage machines running and to get fast help specifying the right equipment.
Final Thoughts
If you need a compact dual check valve that includes an atmospheric port, Installation Parts Supply makes it easy and quick to order.
The SD-3 combines a stainless steel body, integrated strainer, and clear feedback from its atmospheric port. This check valve handles typical dispensing pressure and simplifies service with visible vent cues.
Reorder with confidence: use the EAN 098268848953 or Part No. 0061657 to reorder the exact valve configuration. Reach out to Installation Parts Supply for helpful support with matching connections and documentation so beverage and water lines stay in service.