- Home /
- Brakes /
- Brake Valves /
- Sealco /
- Sealco Pre FVMSS 121 Relay Emergency Trailer Valve - A1000S
Shop Now
- All Products
- Motors
- Apparel
- MTE Trailer Parts
- Axles & Accessories
-
Mud Flaps & Mud Guards
- Mud Flaps - Black Rubber
- Mud Flaps - White Rubber
- Mud Flaps - Black Plastic
- Mud Flaps - White Plastic
- Mud Flaps - Brackets
- Mud Guards - Plastic
- Mud Guards - Alloy
- Mud Guards - Stainless
- Mud Guards - Brackets & Saddles
- Mud Guards - Poles
- Mud Guards - Caps & Accessories
- Mud Flaps - Custom
- All Products
- Body Hardware
- Office Consumables
-
Brakes
- Brake Drums - Trailer
- Brake Drums - Truck
- Brake Couplings
- Brake Valves
- Suzi Coils
- Air Tanks - Alloy
- Air Tanks - Steel
- Brake Shoes, Linings & Accessories
- Brake Disc Pads
- Brake Calipers
- Spring Brakes
- Brass Fittings
- Air Brake Hose & Tube
- S-Cams & Accessories
- Slack Adjusters
- Spring Brake Parts
- Service Chambers
- Brake Rotors
- Knorr-Bremse
- Valves
- Brake Kits
- Seals
- All Products
- Restraint Gear
- Building Materials
- Small Trailer
- Chrome Accessories
-
Suspension
- Air Bags & Accessories - Trailer
- Air Bags & Accessories - Truck
- Reyco
- Trailer Springs
- Hutch
- Fruehauf
- K-Hitch Spring Suspension Spares
- Shock Absorbers
- Valves
- MTW Air Suspension Spares
- K-Hitch Air Suspension Spares
- Hendrickson
- MTW Spring Suspension Spares
- U Bolts
- K-Hitch Air Suspension Kits
- MTW Air Suspension Kits
- Weweler
- ROR
- Neway
- Watson & Chalin
- FXL Suspension Parts
- K-Hitch Spring Suspension Kits
- BPW
- Other
- All Products
- Cleaning & Accessories
- Toolboxes & Accessories
- ExTe Logging Parts
- Tools
- Fasteners
- Tow Couplings
- Filters
- Trailer Parts & Accessories
- Hazard Gear
-
Truck Parts & Accessories
- Fuel Tanks & Accessories
- Accessories
- Fuso Parts
- Freightliner Parts
- Automotive Belts
- Bearings
- Sinotruk Parts
- Nissan Parts
- Mack Parts
- Seat Belts & Accessories
- Other
- Exhausts, Mufflers & Accessories
- Mirrors
- Water Pumps
- Wiper Arms, Blades & Accessories
- Truck Parts
- CAT Parts
- Cummins Parts
- Hino Parts
- Isuzu Parts
- Kenworth Parts
- Peterbilt Parts
- All Products
- Heavy Equipment
- Wheels & Accessories
- Hydraulics
- Winches & Recovery
-
Lights & Electrical
- Aerials & CB Radios
- Batteries
- Battery Accessories
- Brackets & Accessories
- Bulbs
- Cable
- Cable Ties & Mounts
- Commercial
- Driving & Fog Lights
- Fuses
- Generators & Power Distribution
- Headlight Inserts
- Interior & Exterior Lights
- Marker Lights
- Number Plate Lights
- Other
- Plugs & Sockets
- Reflectors
- Switches, Flashers, Relays & Horns
- Tail Lights
- Terminals
- Warning Lights
- Work Lights
- All Products
- Workshop Consumables
Sealco Pre FVMSS 121 Relay Emergency Trailer Valve - A1000S
Sealco A1000S Adjustable Pressure Regulator
The Sealco A1000S is a compact and reliable adjustable pressure regulator designed for use in commercial vehicle and industrial pneumatic systems. It provides consistent, controlled outlet pressure to downstream components, helping protect air-operated equipment from excessive pressure and ensuring stable system performance.
Key Features & Benefits
- Adjustable outlet pressure: Allows precise regulation to suit a wide range of pneumatic applications.
- Consistent pressure control: Maintains steady downstream pressure despite fluctuations in supply pressure.
- Compact design: Ideal for installations where space is limited.
- Standard pneumatic connections: Designed for easy integration into existing air systems.
- Durable construction: Built to withstand demanding operating environments common in truck, trailer and industrial use.
Applications
- Air control circuits
- Suspension and auxiliary air systems
- Pneumatic accessories and control devices
- General air management in commercial vehicles and industrial equipment
Why Choose Sealco?
Sealco products are engineered for reliability, durability, and consistent performance in demanding commercial vehicle and heavy-duty pneumatic systems. With a strong focus on quality and proven engineering, Sealco provides dependable valves and components designed to perform in the harsh operating conditions found in trucks, trailers, and other heavy-vehicle applications. Trusted by fleet operators, workshops, and OEMs, Sealco delivers professional-grade products that help maintain safe, efficient, and reliable vehicle systems.
| Type: | Qty: | Size: |
| Supply Port | 1 | 1/4" NPT |
| Control Port | 2 | 1/4" NPT |
| Reservoir Port | 1 | 1/2" NPT |
| Delivery Ports | 4 | 1/4" NPT |
SAE J1860 Tag: RE015
Nominal Crack Pressure: 1.5 PSI