York S1-025-47281-000 Sensor
Ensuring reliable defrost cycles in heat pump applications requires high-precision feedback from the evaporator coil. The York S1-025-47281-000 Temp Defrost Thermistor Sensor is a critical OEM replacement part designed for York, Coleman, and Luxaire systems. This 10k ohm thermistor provides real-time resistance input to the control board, allowing the system to initiate and terminate defrost modes based on actual coil temperatures rather than fixed timers. This prevents unnecessary energy consumption and protects components from excessive ice build-up during low ambient operations.
Engineered for high-moisture environments, this defrost sensor features a moisture-resistant seal and specialized lead wires to maintain signal integrity. It is widely used in 14 SEER and 16 SEER 3-phase heat pumps, including models THE30B through THE48B, as well as TH4B 5-ton units. As a technical professional, you know that a drifting thermistor can lead to "short-cycling" or inefficient heating; replacing a failing unit with this genuine York HVAC sensor restores the factory-specified temperature sensing range required for optimized HVAC defrost control and system longevity.
Key Benefits for the Contractor:- Direct OEM Compatibility: Eliminates signal mismatch issues common with universal sensors, ensuring seamless integration with Source 1 control boards.
- Precision Defrost Management: Alerts the system to frost accumulation immediately, preventing evaporator freeze-ups and maintaining heat exchange efficiency.
- Durable Construction: Specifically built to withstand repeated thermal cycling and vibration found in residential air conditioning and heat pump compressors.
- Lightweight & Compact: At only 0.09 lbs, the sensor is easily mounted to the coil header or suction line for rapid response to temperature changes.
What are the symptoms of a bad S1-025-47281-000 sensor?
Technicians typically report the outdoor unit failing to enter defrost, leading to a "frozen block" coil, or the unit staying in defrost too long, which impacts indoor discharge temperatures.
Is this sensor compatible with 3-phase units?
Yes, this thermistor is specifically utilized in various 3-phase THE and TH4 series heat pumps where accurate coil monitoring is essential for commercial-grade performance.
Does this part replace the outdoor ambient sensor?
While both are 10k thermistors, this specific part is designed as the defrost coil sensor. Always check your service manual to confirm the specific sensor location and harness connector.
This item is not eligible for free shipping.
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: $38.80
-65%$38.80
$13.58York S1-025-47281-000 Sensor
Ensuring reliable defrost cycles in heat pump applications requires high-precision feedback from the evaporator coil. The York S1-025-47281-000 Temp Defrost Thermistor Sensor is a critical OEM replacement part designed for York, Coleman, and Luxaire systems. This 10k ohm thermistor provides real-time resistance input to the control board, allowing the system to initiate and terminate defrost modes based on actual coil temperatures rather than fixed timers. This prevents unnecessary energy consumption and protects components from excessive ice build-up during low ambient operations.
Engineered for high-moisture environments, this defrost sensor features a moisture-resistant seal and specialized lead wires to maintain signal integrity. It is widely used in 14 SEER and 16 SEER 3-phase heat pumps, including models THE30B through THE48B, as well as TH4B 5-ton units. As a technical professional, you know that a drifting thermistor can lead to "short-cycling" or inefficient heating; replacing a failing unit with this genuine York HVAC sensor restores the factory-specified temperature sensing range required for optimized HVAC defrost control and system longevity.
Key Benefits for the Contractor:- Direct OEM Compatibility: Eliminates signal mismatch issues common with universal sensors, ensuring seamless integration with Source 1 control boards.
- Precision Defrost Management: Alerts the system to frost accumulation immediately, preventing evaporator freeze-ups and maintaining heat exchange efficiency.
- Durable Construction: Specifically built to withstand repeated thermal cycling and vibration found in residential air conditioning and heat pump compressors.
- Lightweight & Compact: At only 0.09 lbs, the sensor is easily mounted to the coil header or suction line for rapid response to temperature changes.
What are the symptoms of a bad S1-025-47281-000 sensor?
Technicians typically report the outdoor unit failing to enter defrost, leading to a "frozen block" coil, or the unit staying in defrost too long, which impacts indoor discharge temperatures.
Is this sensor compatible with 3-phase units?
Yes, this thermistor is specifically utilized in various 3-phase THE and TH4 series heat pumps where accurate coil monitoring is essential for commercial-grade performance.
Does this part replace the outdoor ambient sensor?
While both are 10k thermistors, this specific part is designed as the defrost coil sensor. Always check your service manual to confirm the specific sensor location and harness connector.
This item is not eligible for free shipping.
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
Ensuring reliable defrost cycles in heat pump applications requires high-precision feedback from the evaporator coil. The York S1-025-47281-000 Temp Defrost Thermistor Sensor is a critical OEM replacement part designed for York, Coleman, and Luxaire systems. This 10k ohm thermistor provides real-time resistance input to the control board, allowing the system to initiate and terminate defrost modes based on actual coil temperatures rather than fixed timers. This prevents unnecessary energy consumption and protects components from excessive ice build-up during low ambient operations.
Engineered for high-moisture environments, this defrost sensor features a moisture-resistant seal and specialized lead wires to maintain signal integrity. It is widely used in 14 SEER and 16 SEER 3-phase heat pumps, including models THE30B through THE48B, as well as TH4B 5-ton units. As a technical professional, you know that a drifting thermistor can lead to "short-cycling" or inefficient heating; replacing a failing unit with this genuine York HVAC sensor restores the factory-specified temperature sensing range required for optimized HVAC defrost control and system longevity.
Key Benefits for the Contractor:- Direct OEM Compatibility: Eliminates signal mismatch issues common with universal sensors, ensuring seamless integration with Source 1 control boards.
- Precision Defrost Management: Alerts the system to frost accumulation immediately, preventing evaporator freeze-ups and maintaining heat exchange efficiency.
- Durable Construction: Specifically built to withstand repeated thermal cycling and vibration found in residential air conditioning and heat pump compressors.
- Lightweight & Compact: At only 0.09 lbs, the sensor is easily mounted to the coil header or suction line for rapid response to temperature changes.
What are the symptoms of a bad S1-025-47281-000 sensor?
Technicians typically report the outdoor unit failing to enter defrost, leading to a "frozen block" coil, or the unit staying in defrost too long, which impacts indoor discharge temperatures.
Is this sensor compatible with 3-phase units?
Yes, this thermistor is specifically utilized in various 3-phase THE and TH4 series heat pumps where accurate coil monitoring is essential for commercial-grade performance.
Does this part replace the outdoor ambient sensor?
While both are 10k thermistors, this specific part is designed as the defrost coil sensor. Always check your service manual to confirm the specific sensor location and harness connector.
This item is not eligible for free shipping.
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.
