Part number 138474 is an EPC Port Cover specifically designed for Helix plural component spray systems. This protective cover seals the Electronic Pressure Control port, safeguarding sensitive electrical connections from contamination, moisture, and physical damage.
| Part Number | 138474 |
|---|---|
| Part Description | EPC Port Cover Helix |
| Fits | Helix FR |
| Condition | New |
Part number 138474 is an EPC Port Cover, a precision-molded protective component specifically engineered for the Titan Helix FR plural component spray system. This cover seals the Electronic Pressure Control (EPC) port, a critical interface point where pressure monitoring and control signals are transmitted between system components. The Helix FR is designed for high-volume application of polyurea, polyurethane, and epoxy coatings requiring precise temperature control and ratio accuracy. The EPC port cover prevents dust, moisture, overspray, and physical debris from entering the sensitive electrical connector cavity.
The EPC system is integral to Helix FR performance, providing real-time pressure feedback that enables precise ratio control and consistent material delivery. The port cover maintains the integrity of this electrical interface when the port is not in use, particularly during transport, storage, or when swapping between different hose configurations. The cover features a secure snap-fit or threaded retention design that remains firmly in place under job site vibration and temperature extremes while remaining easily removable for service access. The molded construction provides excellent resistance to the solvents, isocyanates, and cleaning agents commonly encountered in plural component applications.
A missing or damaged EPC port cover exposes electrical contacts to contamination that can cause intermittent connections, false pressure readings, and erratic system behavior. Moisture ingress can lead to corrosion of terminals, while accumulated debris can prevent proper connector seating when accessories are installed. Replacement with a genuine 138474 EPC port cover ensures the Helix FR electrical system remains protected, maintaining reliable communication between the control panel, pressure transducers, and heated hose components essential for proper plural component application.
| Electrical Protection | Seals EPC port against dust, moisture, overspray, and physical damage |
|---|---|
| System Integrity | Prevents contamination of critical pressure control electrical interfaces |
| Component Longevity | Protects connector terminals from corrosion and debris accumulation |
| Physical Damage | Cover is cracked, torn, or has broken retention features |
|---|---|
| Poor Fit | Cover is stretched, loose, or no longer seats securely |
| Missing Component | Cover lost during transport, storage, or service |
| Preventive Maintenance | Replace if degraded or brittle; always maintain port protection |
Part number 138474 is specifically designed for the Titan Helix FR plural component spray system. This model utilizes the Electronic Pressure Control architecture requiring dedicated port protection for its electrical interfaces. The EPC port cover is a model-specific component engineered for the connector geometry and mounting configuration of this particular system. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Compatible Models | Component |
|---|---|
| Helix FR | EPC Port Cover Helix |
The EPC port cover protects the electrical interface of the Helix FR control system. When servicing related electronic components, these parts are often associated with the same system.
The cable assembly that connects to the EPC port when using heated hoses or accessories. Inspect for damage.
The main user interface that receives pressure data through the EPC system. Verify proper communication.
The sensor that sends pressure signals through the EPC system. Ensure clean connections.
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