Part 143-998 is a replacement foot valve for compatible PowrTwin and PowrLiner equipment. This valve, located at the end of the suction hose, contains a check mechanism that maintains pump prime by preventing material from flowing back into the supply container. When the original foot valve becomes clogged, worn, or fails to seal, replacement restores reliable priming and consistent material flow.
| Part Number | 143-998 |
|---|---|
| Part Description | Foot Valve |
| Brand | Universal |
| Fits | PowrTwin 6900GH; PowrLiner 6000 |
| Condition | New |
The 143-998 foot valve is a direct replacement component for the fluid intake system on PowrTwin 6900GH and PowrLiner 6000 equipment. This valve attaches to the end of the suction hose and contains a check valve mechanism, typically consisting of a ball and seat or a poppet design. During pump operation, the foot valve opens to allow material to enter the suction hose on the intake stroke and closes during pressure cycles to prevent material from flowing back into the supply container. This one-way action maintains prime in the system and ensures the pump has immediate material available for the next stroke. A failing foot valve can cause loss of prime, spitting, erratic spray, and extended priming times. This complete valve includes the body, check mechanism, and strainer screen for a direct replacement. The strainer prevents debris from entering the system. Regular cleaning and inspection of the foot valve strainer helps prevent clogs and ensures reliable operation. A damaged or worn foot valve should be replaced promptly to maintain pump performance.
| Prime retention | Prevents material backflow, maintaining pump prime |
|---|---|
| One-way flow | Allows material into hose, blocks reverse flow |
| Debris filtering | Integrated strainer prevents debris entry |
| Loss of prime | Pump loses prime frequently or won't prime |
|---|---|
| Clogged strainer | Strainer screen blocked, reducing flow |
| Failed check valve | Ball/seat worn, allows backflow |
| Damaged housing | Cracked or leaking valve body |
Foot valve 143-998 is compatible with the following models. Verify fit using your equipment's parts diagram.
| Compatible Models |
|---|
| PowrTwin 6900GH |
| PowrLiner 6000 |
When replacing the foot valve, inspect these associated components to ensure proper fluid intake.
Check for cracks, kinks, or deterioration.
Clean or replace if clogged.
Ensure connection is secure and sealing.
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