
Carrier TH70400528 DPTA Cable
The Carrier TH70400528 DPTA Cable is a critical communication component designed specifically for integration within Carrier high-efficiency HVAC systems. This high-integrity wire harness is engineered to facilitate precise data transmission between the Digital Pressure Transducer Assembly (DPTA) and the main system controller. As a direct OEM replacement part, it ensures low-resistance connectivity and maintains the signal integrity required for accurate pressure monitoring and automated system adjustments. Technicians should utilize this specific Carrier replacement cable to address intermittent communication faults or physical wear in the harness assembly. Its construction meets rigorous HVAC communication standards, providing the durability needed for the high-vibration environment of an air handling unit or condenser. Proper installation of the TH70400528 cable is essential for maintaining the sequence of operation and preventing nuisance pressure switch trips or sensor error codes in compatible commercial and residential equipment.
Specifications and Features- OEM Compatibility: Designed for seamless integration with Carrier DPTA sensor arrays.
- Signal Integrity: High-grade shielding to prevent EMI/RFI interference in HVAC control circuits.
- Simplified Installation: Standardized connectors for secure, snap-fit coupling to the transducer assembly.
- Field Reliability: Built with high-temp insulation to withstand the thermal demands of internal cabinet housing.
How do I diagnose a faulty DPTA cable?
Perform a continuity check across the harness pins and inspect the connector terminals for signs of corrosion or pin displacement. If the system reports a loss of communication with the pressure transducer despite a functioning sensor, the TH70400528 harness is the likely failure point.
Is this cable interchangeable with generic signal wires?
No. Using non-OEM wiring can introduce resistance variances that skew pressure transducer readings. Always use the specified Carrier TH70400528 to ensure the controller receives accurate voltage feedback.
Does this harness require special tools for pin removal?
The assembly comes pre-terminated. If the housing is damaged, replacing the entire harness is recommended over field-splicing to maintain UL compliance and signal accuracy.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $1,504.50
-65%$1,504.50
$526.57Carrier TH70400528 DPTA Cable
The Carrier TH70400528 DPTA Cable is a critical communication component designed specifically for integration within Carrier high-efficiency HVAC systems. This high-integrity wire harness is engineered to facilitate precise data transmission between the Digital Pressure Transducer Assembly (DPTA) and the main system controller. As a direct OEM replacement part, it ensures low-resistance connectivity and maintains the signal integrity required for accurate pressure monitoring and automated system adjustments. Technicians should utilize this specific Carrier replacement cable to address intermittent communication faults or physical wear in the harness assembly. Its construction meets rigorous HVAC communication standards, providing the durability needed for the high-vibration environment of an air handling unit or condenser. Proper installation of the TH70400528 cable is essential for maintaining the sequence of operation and preventing nuisance pressure switch trips or sensor error codes in compatible commercial and residential equipment.
Specifications and Features- OEM Compatibility: Designed for seamless integration with Carrier DPTA sensor arrays.
- Signal Integrity: High-grade shielding to prevent EMI/RFI interference in HVAC control circuits.
- Simplified Installation: Standardized connectors for secure, snap-fit coupling to the transducer assembly.
- Field Reliability: Built with high-temp insulation to withstand the thermal demands of internal cabinet housing.
How do I diagnose a faulty DPTA cable?
Perform a continuity check across the harness pins and inspect the connector terminals for signs of corrosion or pin displacement. If the system reports a loss of communication with the pressure transducer despite a functioning sensor, the TH70400528 harness is the likely failure point.
Is this cable interchangeable with generic signal wires?
No. Using non-OEM wiring can introduce resistance variances that skew pressure transducer readings. Always use the specified Carrier TH70400528 to ensure the controller receives accurate voltage feedback.
Does this harness require special tools for pin removal?
The assembly comes pre-terminated. If the housing is damaged, replacing the entire harness is recommended over field-splicing to maintain UL compliance and signal accuracy.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
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Description
The Carrier TH70400528 DPTA Cable is a critical communication component designed specifically for integration within Carrier high-efficiency HVAC systems. This high-integrity wire harness is engineered to facilitate precise data transmission between the Digital Pressure Transducer Assembly (DPTA) and the main system controller. As a direct OEM replacement part, it ensures low-resistance connectivity and maintains the signal integrity required for accurate pressure monitoring and automated system adjustments. Technicians should utilize this specific Carrier replacement cable to address intermittent communication faults or physical wear in the harness assembly. Its construction meets rigorous HVAC communication standards, providing the durability needed for the high-vibration environment of an air handling unit or condenser. Proper installation of the TH70400528 cable is essential for maintaining the sequence of operation and preventing nuisance pressure switch trips or sensor error codes in compatible commercial and residential equipment.
Specifications and Features- OEM Compatibility: Designed for seamless integration with Carrier DPTA sensor arrays.
- Signal Integrity: High-grade shielding to prevent EMI/RFI interference in HVAC control circuits.
- Simplified Installation: Standardized connectors for secure, snap-fit coupling to the transducer assembly.
- Field Reliability: Built with high-temp insulation to withstand the thermal demands of internal cabinet housing.
How do I diagnose a faulty DPTA cable?
Perform a continuity check across the harness pins and inspect the connector terminals for signs of corrosion or pin displacement. If the system reports a loss of communication with the pressure transducer despite a functioning sensor, the TH70400528 harness is the likely failure point.
Is this cable interchangeable with generic signal wires?
No. Using non-OEM wiring can introduce resistance variances that skew pressure transducer readings. Always use the specified Carrier TH70400528 to ensure the controller receives accurate voltage feedback.
Does this harness require special tools for pin removal?
The assembly comes pre-terminated. If the housing is damaged, replacing the entire harness is recommended over field-splicing to maintain UL compliance and signal accuracy.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












