Skip to content
- Used in air brake systems prior to the implementation of the FMVSS 121 rule & the mandate for mechanically held brakes resulting in spring brake chambers.
- Designed to be used with service brake chambers only.
- See Sealco Charging Relay Emergency valves for versions of this valve used since 1975.
- Dimensions: Height 5.31” – Width 7.19” – Depth 7.000” Approximate Weight: 5.60 lbs.
- Mounting Hardware – See Air Valves & Related Products / Mounting Hardware
- Air Piping Diagrams – See Technical / Air Piping Diagrams, multiple diagrams are applicable.
![](https://sealcocvp.com/wp-content/uploads/2023/10/A1000S-cartridge.jpg)
- Cartridge 1000-5A
- Repair Kit 10-5
![](https://sealcocvp.com/wp-content/uploads/2023/10/A1000-variance-300x50.jpg)