| Product Line | Brakes |
| Category Name | Air Brake Valves |
| Part Type | Quick Release Valve |
| Alternate Part Name | Quick Release Check Valve |
| Model | QR-1C |
| OEM Part Number | 289714 |
| Application Type | Semi-Trucks, Heavy Duty Trucks |
| Balance Port Size | 1/4-18 NPT Female |
| Compatible Repair Kit Part Number | F224626 |
| Delivery Port Qty | 2 |
| Delivery Port Size | 3/8-18 NPT Female |
| Exhaust Port | Open |
| Mounting Hole Qty | 2 |
| Mounting Hole Size | Ø .34 in. |
| Supply Port Size | 1/4-18 NPT Female |
| Material | Die-cast Aluminum |
| Differential Pressure | 0 psi |
| Maximum Operating Temperature | 200 deg. F (93 deg. C) |
| Minimum Operating Temperature | -50 deg. F (-45 deg. C) |
| Zero Hysteresis | Yes |
| Net Weight | 1.10 lb. |
| Cross References | 1676745C1, 170289714, 20QE2288, 289714, 729013401, BAN289714, BX289714N, EBN289714N, EM36260, KN32041, LDV3626, R955289714N |
| Intended Application | - Quick release and double check valve designed for air brake systems on heavy vehicles. Its main function is to quickly release compressed air from the brake chambers to the brake shoes, facilitating a more efficient and safe braking response.
- Double check valve: Prevents simultaneous application of the emergency side of the spring brakes, acting as an anti-compound device.
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