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.
Browse the SD-3 series at Installation Parts Supply for fast access and knowledgeable support. Specifiers and installers can rely on our team to pick the correct components and receive rapid shipment across the country.
With its compact form, Asse 1022 backflow preventer 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.
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.

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.
Key build and materials: It features a stainless steel outer shell paired with a compact steel body. Its lead-free construction promotes code compliance and safe potable water connections.
Performance and protection
The dual-check arrangement plus atmospheric vent provides a visible indication of proper check function. An integrated strainer cuts down sediment, allowing the checks to function smoothly and last longer.
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 and 3/8 in flare outlet for easy hookups.
| Key attribute | Specification | Advantage |
|---|---|---|
| Body material | Stainless steel | High corrosion resistance |
| Integral strainer | Present | Lower debris load and longer service life |
| Type | Dual-check with atmospheric vent | Simple visual safeguard |
Key Features and Technical Specs
Core construction and purpose: This compact unit is built for beverage and water systems where space and reliability matter.
With a stainless steel body and finish, the unit resists corrosion and handles busy service environments. The lead-free build promotes compliance with potable water codes and supports safe potable connections.
- Pressure and temperature ratings: Continuous pressure operation with a maximum working rating of 150 psi and a top temperature of 130°F.
- Connections: Standard 3/8 in female NPT inlet and 3/8 in flare outlet simplify installs and retrofits.
- Protection: Its dual check design and atmospheric vent provide backpressure protection along with a visible indication of check status.
- Sealing materials: Santoprene discs combined with a Noryl seat help provide reliable sealing on the check components.
- Strainer function: Integrated wye pattern straining captures debris and lowers maintenance frequency.
| Parameter | Rating | Advantage |
|---|---|---|
| Body material | Stainless-steel | Durable construction with corrosion resistance |
| Max working pressure | 150 psi | Suitable for standard dispensing pressures |
| Strainer | Wye pattern internal strainer | Helps protect checks and reduces service frequency |
| Product 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.
Use Cases and Buying Information for Watts Asse 1022 Backflow Preventers
Purchase with confidence: Installation Parts Supply stocks the SD-3 model for dispensing equipment and offers quick U.S. shipping plus friendly spec support.
SD-3 units fit typical dispensing systems and support carbonated beverage machines along with other beverage machines in high-use venues.
The compact footprint streamlines installation, keeps lines organized, and helps protect product and equipment from backflow risks at the check valve.
Atmospheric vent for clear service cues
The atmospheric port provides visible indication so staff can spot 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.
Model and ordering details
Model: SD-3 (Lead Free). EAN 098268848953. Part Number 0061657.
| Attribute | Detail | Advantage |
|---|---|---|
| Connection style | 3/8 in NPT inlet / 3/8 in flare outlet | Straightforward connection to beverage lines |
| Strainer feature | Yes – port strainer style for carbonated applications | Protects checks, reduces clogging |
| Documentation | Spec sheet & installation instructions | Accurate ordering with upc/EAN |
SD-3 models are stocked specifically 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.
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.
With SD-3, you get a stainless steel body, built-in strainer, and clear visual feedback via the atmospheric port. It is rated for typical dispensing pressures and streamlines service thanks to its 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 assistance in matching connections and documentation, helping beverage and water lines keep running.