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The Bendix Dash Valve consolidates the tractor parking and trailer air controls into one MV-3 module with two push-pull buttons. Its single body accepts dual-circuit supply through a built-in double check valve, so either the primary or secondary reservoir can feed the controls. The Bendix 802122 handles tractor protection, trailer air supply, system park, and trailer-park-only functions without separate valves. Body, plungers, and spools are molded from non-metallic, non-corrosive material, so internal parts resist corrosion over time.
| Auxiliary Port | Not applicable to this part |
| Button(s) Included | Yes |
| Cautionary Note(s) | Not applicable to this part |
| Delivery 21 Port | 3/8 PTC |
| Delivery 22 Port | 3/8 PTC |
| Exhaust Port | 1/2 PTC |
| Market Indicator | Aftermarket New |
| Maximum Operating Temperature | 200 AdegF (93 AdegC) |
| Minimum Operating Temperature | -40 AdegF (-40 AdegC) |
| Mounting | A~ .275 IN (4x) |
| Supply 11 Port | 3/8 PTC |
| Supply 12 Port | 3/8 PTC |
| Tractor Trip Pressure | 30 A+- 10 PSI |
| Trailer Override Pressure | 25 A+- 5 PSI |
| Trailer Trip Pressure | 35 A+- 10 PSI |
| Country of Origin (Primary) | MX |
| UPC | 04068078302897 |
| VMRS Code | 013010050 |
| Brand | Part Number |
|---|---|
| BW802122 | |
| N/A | 298817N |
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