Part number 0290463A is a Return Tube Assembly that recirculates material from the pump back to the supply container during priming and pressure relief operations on compatible PowrLiner sprayer systems. This flexible hose enables efficient system startup and safe pressure release.
| Part Number | 0290463A |
|---|---|
| Part Description | Return Tube Assembly |
| Fits | PowrLiner 2850 GB_D_F |
| Condition | New |
Part number 0290463A is a Return Tube Assembly, a precision-engineered fluid recirculation hose specifically designed for the Titan PowrLiner 2850 GB_D_F airless line striping system. This flexible hose connects the pump manifold to the material supply container, providing a dedicated return path for fluid when the PRIME/SPRAY valve is set to the prime position. During system startup, the return tube enables rapid air purging and material priming without pressure building at the spray gun. During pressure relief, it provides a safe path for depressurizing the entire fluid system.
Constructed from solvent-resistant materials with reinforced wall construction, this return tube assembly withstands continuous exposure to a wide range of paints, coatings, and cleaning solvents. The hose maintains flexibility in cold weather conditions while resisting kinking and collapse under vacuum during prime operations. Precision-formed fittings at both ends provide secure, leak-proof connections to the pump manifold and return tube clamp on the siphon tube assembly. The engineered length ensures proper positioning within the material container for reliable recirculation without splashing or foaming.
The return tube is an essential safety and operational component. A deteriorated, cracked, or clogged return hose compromises prime performance, extends startup time, and creates potential spill hazards during pressure relief. Regular inspection and timely replacement with genuine 0290463A return tube assembly restores proper prime function, ensures safe pressure relief capability, and maintains the professional performance standards of the PowrLiner 2850 system.
| Fluid Recirculation | Returns material from pump to supply container during prime and flush operations |
|---|---|
| Pressure Relief | Provides safe path for system depressurization when PRIME/SPRAY valve is opened |
| System Priming | Enables rapid air purging and material pickup from supply container |
| External Leakage | Fluid seeps from hose body or at crimped fitting connections |
|---|---|
| Physical Degradation | Hose is cracked, brittle, soft, bulging, or has abrasion damage |
| Flow Restriction | Slow or difficult priming due to internal hose collapse or clogging |
| Preventive Maintenance | Replaced during annual service or when other fluid system components are overhauled |
Part number 0290463A is specifically designed for the Titan PowrLiner 2850 GB_D_F airless line striping system. This model is available in both single-gun and dual-gun configurations, both of which utilize the identical return tube assembly mounted to the siphon tube clamp. This return tube assembly is a model-specific component engineered for the connection fittings, length requirements, and flow characteristics of this particular sprayer system. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Compatible Models | Component |
|---|---|
| PowrLiner 2850 GB_D_F | Return Tube Assembly |
The return tube assembly is part of the sprayer's fluid intake and recirculation system. When servicing this component, these related parts are often inspected or replaced at the same time.
The return tube secures to the siphon tube via a clamp. Inspect the siphon tube for damage and ensure the clamp is functioning properly.
The valve that directs flow to the return tube. Worn seals or a damaged valve stem can affect prime performance.
The return tube connects to the pump manifold near the inlet valve. Inspect threads and sealing surfaces for damage.
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