Helix part 0138999A is an inlet valve housing that forms the intake section of the pump on compatible sprayers. This precision-machined component houses the inlet valve ball and seat, directing material flow into the pump chamber during the intake stroke. A cracked, worn, or damaged inlet valve housing can cause air ingestion, loss of prime, pressure fluctuations, and reduced pump efficiency. Replacing with this genuine Helix component restores proper inlet flow and reliable pump performance on the Helix LP.
| Part Number | 0138999A |
|---|---|
| Part Description | Inlet Valve Housing |
| Brand | Helix |
| Fits | Helix LP |
| Condition | New |
The 0138999A Inlet Valve Housing is a precision-machined component that forms the intake section of the pump on Helix LP sprayers. It houses the inlet valve assembly, including the valve ball and seat, and directs material flow from the suction hose into the pump chamber during the intake stroke.
The inlet valve housing must maintain precise internal dimensions and sealing surfaces to ensure proper valve operation and consistent material flow. Over time, abrasive materials, pressure cycling, and physical impact can cause wear, cracking, or deformation of the housing. A compromised inlet valve housing can lead to air ingestion, loss of prime, pressure fluctuations, reduced pump efficiency, and erratic spray performance. Replacing a damaged housing with this genuine Helix component restores proper inlet flow and ensures reliable pump operation.
| Valve mounting | Houses the inlet valve ball and seat assembly |
|---|---|
| Fluid channel | Directs material from suction hose into pump chamber |
| Sealing surface | Provides precision seat for inlet valve closure |
| Connection point | Accepts suction hose fitting and pump mounting hardware |
| Visible cracks | Any crack compromises structural integrity and sealing |
|---|---|
| Thread damage | Stripped or damaged threads that cannot seal properly |
| Worn seat surface | Grooves or erosion preventing proper valve closure |
| Loss of prime | Pump repeatedly loses prime due to inlet air leaks |
Helix part 0138999A is compatible with the following Helix sprayer model. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Helix Model | Component |
|---|---|
| Helix LP | Inlet Valve Housing |
| Helix LP (all variants) | Inlet Valve Housing |
When replacing the inlet valve housing, consider inspecting or replacing these associated components to ensure complete pump restoration.
Inspect for wear; replace as a set with the housing for proper sealing.
Check for cracks or damage that could affect inlet flow.
Includes seals, packings, and o-rings for comprehensive pump service.
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