

PowrTwin part 103-300A is a Bleed Tube used to relieve pressure or return excess material to the supply tank. When the bleed tube becomes cracked, clogged, or disconnected, pressure regulation suffers and material waste increases. This replacement tube restores proper bleed and return flow on compatible PowrTwin and PowrLiner units.
| Part Number | 103-300A |
|---|---|
| Part Description | Bleed Tube |
| Brand | PowrTwin |
| Fits | PowrTwin 4900, 6900, 8900, 12000 Plus; PowrLiner 6950_1, 6950, 4950, 4955, 6955, 8955 |
| Condition | New |
The PowrTwin 103-300A Bleed Tube is a fluid conveyance component designed to relieve system pressure, return excess material to the supply tank, or bypass fluid during recirculation. On compatible equipment including the PowrTwin 4900, 6900, 8900, and 12000 Plus, as well as PowrLiner 6950_1, 6950, 4950, 4955, 6955, and 8955 models, the bleed tube serves critical functions in pressure regulation and material management. When the sprayer or striping machine is not spraying, the bleed tube allows fluid to recirculate back to the tank, preventing pressure buildup and reducing material settling. A cracked bleed tube creates external leakage, causing material waste and cleanup hazards. A clogged tube prevents proper recirculation, leading to pressure spikes, component stress, or erratic spray performance. A disconnected bleed tube can cause complete loss of pressure regulation. Over time, exposure to solvents, abrasives, and temperature cycling can cause the tube material to harden, crack, or become blocked with dried material. Replacing a damaged or clogged bleed tube restores proper pressure relief, recirculation flow, and system protection. This genuine PowrTwin replacement bleed tube meets original equipment specifications for material composition, inner diameter, length, and fitting compatibility. When installing a new bleed tube, inspect all fittings and connections for damage, route the tube away from hot or moving parts, and secure with appropriate clamps. Users should always verify compatibility with their specific model and revision before installation. Regular inspection of bleed tubes for cracks, kinks, or blockages should be part of preventive maintenance programs.
| Pressure relief | |
|---|---|
| Material return | Returns excess material to supply tank to prevent waste |
| System protection | Prevents pressure spikes that can damage seals or components |
| External leakage | Fluid dripping or spraying from cracked or worn tube |
|---|---|
| Clogged tube | No recirculation flow visible or pressure spikes during idle |
| Material hardening | Tube feels stiff, brittle, or shows cracking when flexed |
| Disconnection | Tube detached from fitting due to loose clamp or fitting failure |
PowrTwin part 103-300A is compatible with the following equipment. Always confirm fitment using the correct parts diagram for your exact model and revision.
| Model | Component |
|---|---|
| PowrTwin 4900, 6900, 8900, 12000 Plus | Bleed Tube |
| PowrLiner 6950_1, 6950, 4950, 4955, 6955, 8955 | Bleed Tube |
Pressure regulation and recirculation problems are often caused by more than one component. When servicing the bleed tube, these parts are commonly inspected at the same time.
Damaged or loose fittings prevent proper tube connection and sealing.
Worn or loose clamps allow tube disconnection or leakage under pressure.
A stuck relief valve can cause pressure spikes independent of bleed tube condition.