Description
- Single valve system – easy to install, maintain and troubleshoot.
- Built-in pressure protection and anti-compounding functions: FMVSS-121 compliant, eliminates broken foundation components caused by compounding of spring brake.
- Space age engineering grade composites: resists corrosion, lighter and more durable than aluminum.
- Built-in service and spring brake quick release.
- Heavy wall mounting nipple is treated to resist corrosion and withstand severe duty applications.
- Service brake priority ensures air tank pressure is sufficient to stop vehicle when spring brakes are first released.
Technical Information
- Crack Pressure: 3.0 PSI
- Reservoir: 3/4″
- Control: 1/4″
- Supply: 3/8″
- Spring Brake: 2 @ 3/8″
- Delivery (4): 3/8″
OEM Number: N4304AC
This product can expose you to chemicals including lead and/or lead compounds & phthalates, including DEHP or DINP, which are known to the State of California to cause cancer & birth defects or other reproductive harm. For more information, go to
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