Titan part 704-300A is a Syphon By-Pass Hose Assembly for the fluid systems of compatible airless sprayers. This assembly is a pre-made hose with fittings on both ends, responsible for routing fluid during the bypass or recirculation mode of the sprayer's operation. It is a standard component for maintaining proper fluid flow and pressure control.
| Part Number | 704-300A |
|---|---|
| Part Description | Syphon By-Pass Hose Assembly |
| Brand | Titan |
| Fits | 740 ix Airless Sprayer, RentSpray 600 |
| Condition | New, OEM Assembly |
The Titan 704-300A is a genuine OEM Syphon By-Pass Hose Assembly. This pre-assembled part is a length of hose with permanent fittings crimped on each end. It connects different points within the sprayer's fluid manifold or valve system to create a dedicated path for fluid to bypass or recirculate when the spray gun is not triggered.
This hose plays a key role in system pressure management and component longevity. A leaking, kinked, or ruptured bypass hose can cause erratic pressure, prevent the system from properly bypassing, or lead to fluid leaks inside the sprayer's chassis. Replacing a faulty hose with the correct Titan 704-300A assembly restores reliable fluid routing and helps maintain consistent machine operation.
| Bypass Fluid Path | Provides a route for paint to recirculate back to the pump or container when the spray gun is closed, relieving pressure. |
|---|---|
| System Protection | Allows the pump to run without dead-heading (building extreme pressure with nowhere for fluid to go), protecting components. |
| Pressure Regulation | Works with the pressure control valve to help maintain a stable, adjustable system pressure. |
| External Leakage | Visible fluid weeping or spraying from the hose body or from the crimped fittings at either end. |
|---|---|
| Bulging or Cracking | The hose exterior shows signs of swelling, deep cracks, or abrasion that exposes the reinforcement layer. |
| Erratic Pressure | Inability to control or maintain steady pressure, which may be traced to a failing bypass circuit. |
| Preventative Maintenance | Replacing aged hoses during a major pump or manifold overhaul to ensure future reliability. |
The Titan 704-300A Syphon By-Pass Hose Assembly is used in specific sprayer models. Based on parts listings and system designs, it is compatible with the following:
| Compatible Sprayer Model | Notes & Application |
|---|---|
| 740 ix Airless Sprayer | This hose assembly is a standard internal fluid line within the pump and manifold system for the 740 ix model. |
| RentSpray 600 | The assembly is also used in the Rent Spray 600 model, indicating shared fluid system components between these series. |
The compatibility between the professional 740 ix and the rental-grade Rent Spray 600 suggests this hose is part of a common pump or valve block design.
When replacing a high-pressure bypass hose, it is good practice to inspect these related seals and parts.
The bypass hose often connects to the pressure relief valve assembly, which should be checked for proper operation.
The threaded ports where the hose connects use O-rings or seals. These should be replaced when reinstalling the hose.
Inspect the threaded ports on the manifold for damage, corrosion, or debris that could prevent a good seal.
Check the condition of other high-pressure hoses in the system while the sprayer is open for service.
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