4-Inch Weep Hole Filter with Check Valve
Model #: JF4SSCVLV
Key Features
Integrated Check Valve
Prevents backflow, ensuring water moves only in the intended direction for optimal flood protection.
High Drainage Efficiency
4” diameter provides exceptional flow rates for demanding applications like stormwater and tidal areas.
Low Maintenance Operation
Check valve and filter system are easily accessible for cleaning, reducing maintenance costs.
Anti-Clog System
Advanced design reduces debris accumulation, maintaining consistent drainage performance over time.
4-Inch Weep Hole Filter with Check Valve Product Description


- Enhanced Drainage with Backflow Prevention
The 4-inch weep hole filter with check valve geocomposite wick system efficiently relieves hydrostatic water pressure behind structures like concrete seawalls, steel sheet piling, and retaining walls. Its closed-end check valve prevents backflow, ensuring reliable one-way drainage performance. - Durable and Versatile Design
Designed for longevity, the unit is constructed with high-quality materials suitable for various applications, including bridge abutments and other critical drainage systems. - Easy Maintenance and Long-Term Protection
Like all JET Filter units, it is maintainable and simple to clean, reducing downtime. By managing water pressure effectively, it helps protect structures from failure and costly repairs over time.
Size
4″
Face Plate
316L SS
Cage
316 L Stainless Steel perforated 1/4″ holes 5/16″ Staggered 16ga
Backflow Prevention Valve
U/V Protected Vulcanized Thermoplastic
Filter Media
Geotextile
Housing
316L SS
Ring Plate
316L SS
Louver Vent
316 Stainless Steel
Filter Cartridge
ABS
Corrosion Resistance
316 SS
4" Diameter Weep Hole Filter with Backflow Prevention
The JF4SSCVLV features a 4-inch diameter with a 26.03 in² fabric surface area and a closed-end check valve to prevent backflow while maintaining exceptional drainage efficiency. Designed with a durable 316 stainless steel housing, this unit offers over two times greater water flow than standard systems. The check valve and removable cartridge enhance reliability and ease of maintenance, making it ideal for retaining walls, seawalls, and other applications requiring backflow prevention.

Notable Projects
Orchid Bay Condo - North Miami Beach, Florida USA
Concrete seawall restoration at Orchid Bay Condo in North Miami Beach, Florida. This project, led by Sea Me Dive Inc., involved the installation of 34 units of the JF4SSCVLV (4-inch diameter) weep hole components with closed-end backflow preventer units to ensure effective drainage and protect the seawall’s integrity.
Seawall Preservation - Marblehead, Massachusetts USA
Concrete seawall preservation in Marblehead, Massachusetts, undertaken by R. Dilisio Co Inc. This project included the installation of 12 units of the JF4SSCVLV (4-inch diameter) weep hole components with a check valve and louvered vent to enhance drainage and extend the seawall’s lifespan.
Questions? We've Got Answers!
Explore our frequently asked questions to learn how JET Filter System products address drainage, erosion control, and structural sustainability. Whether you’re tackling a retaining wall, marine project, or flood management, our innovative solutions are here to help.
Frequently Asked Questions
What is the role of the check valve in the JF4SSCVLV?
The check valve in this model prevents backflow, ensuring water moves in the intended direction and reducing potential pressure buildup behind walls.
Can the JF4SSCVLV handle high-pressure scenarios?
Yes, it is specifically engineered to manage high water pressures commonly experienced in large-scale retaining wall applications.
Where is the JF4SSCVLV most commonly installed?
It is typically installed in retaining walls and other drainage systems exposed to variable water flow, including storm surge zones.
What materials are used in the JF4SSCVLV’s construction?
The JF4SSCVLV is made of durable stainless steel and high-strength plastic to withstand challenging environmental conditions.
How does the JF4SSCVLV simplify maintenance?
The maintainable filter design allows for easy removal of sediment and debris, ensuring long-term efficiency without requiring extensive labor.