

Part number 0508614 is a Return Hose Assembly that recirculates material from the pump back to the supply container during priming, flushing, and pressure relief operations on compatible SprayTech AirCoat spray systems. This flexible hose enables efficient system preparation and safe pressure release.
| Part Number | 0508614 |
|---|---|
| Part Description | Assy, return hose |
| Fits | SprayTech AirCoat; SprayTech AirCoat NEW |
| Condition | New |
Part number 0508614 is a Return Hose Assembly specifically engineered for the SprayTech AirCoat and AirCoat NEW air-assisted airless spray systems. These professional systems combine the speed of airless spraying with the fine finish quality of conventional air spray, making them ideal for high-production finishing applications. This return hose assembly 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 hose enables rapid air purging and material priming without pressure building at the spray gun. During flushing and pressure relief, it provides a safe path for depressurizing the entire fluid system.
Constructed from solvent-resistant materials with reinforced wall construction, this return hose assembly withstands continuous exposure to a wide range of paints, coatings, and cleaning solvents. The hose maintains flexibility 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 siphon tube assembly. The engineered length ensures proper positioning within the material container for reliable recirculation without splashing or foaming.
The return hose assembly 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 0508614 return hose assembly restores proper prime function, ensures safe pressure relief capability, and maintains the professional performance standards of AirCoat and AirCoat NEW spray systems.
| Fluid Recirculation | Returns material to supply during prime and flush operations |
|---|---|
| Pressure Relief | Provides safe path for system depressurization |
| System Priming | Enables rapid air purging and material pickup |
| External Leakage | Fluid seeps from hose body or fittings |
|---|---|
| Physical Degradation | Hose is cracked, brittle, soft, or bulging |
| Flow Restriction | Slow or difficult priming due to hose collapse |
| Preventive Maintenance | Replace during annual service or system overhaul |
Part number 0508614 is specifically designed for the SprayTech AirCoat and SprayTech AirCoat NEW air-assisted airless spray systems. These professional systems combine the speed of airless spraying with the fine finish quality of conventional air spray. Both models share common fluid recirculation system architecture requiring this specific return hose assembly. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Compatible Models | Component |
|---|---|
| SprayTech AirCoat | Assy, return hose |
| SprayTech AirCoat NEW |
The return hose assembly is part of the fluid recirculation system. When servicing this component, these related parts are often inspected or replaced at the same time.
Directs flow to return hose. Inspect for proper operation during hose replacement.
Return hose connects to siphon tube. Inspect for damage or clogging.
Secure return hose to fittings. Replace if corroded or damaged.