Patterson-Kelley 26-0000-0039 Sensor
The Patterson-Kelley 26-0000-0039 Sensor is a precision-engineered NTC thermistor designed for high-accuracy thermal monitoring in commercial hydronic systems. This temperature thermistor sensor is a critical component for the ENVI boiler control platform, providing the real-time data necessary for modulation and setpoint management. It is primarily utilized as a supply and return sensor for the P-K MACH condensing boiler series (specifically models C300 through C1050 and C1500VC200) as well as flue gas monitoring applications. The 26-0000-0039 commercial boiler part features a negative temperature coefficient, where resistance decreases as the temperature rises, allowing the controller to detect fluctuations within a fraction of a degree. Built with industrial-grade construction, it maintains signal integrity in high-vibration and high-temperature environments. Ensuring this sensor is calibrated and free of resistance drift is essential for preventing short-cycle issues and ensuring the system maintains peak hydronic heating efficiency. For technicians, verifying the resistance curve against the P-K service manual is the standard procedure for diagnosing potential "Open Sensor" or "Shorted Sensor" error codes on the ENVI display.
Key Benefits:- OEM Precision: Direct replacement temperature sensor designed specifically for Patterson-Kelley MACH and MODU-FIRE systems.
- Wide Application Range: Compatible for use as a water temperature sensor in supply, return, or flue gas monitoring positions.
- Enhanced Modulation: Provides the ENVI controller with accurate data to optimize fuel-to-air ratios and firing rates.
- Rugged Durability: Engineered for industrial HVAC temperature monitoring with thermal-shock resistant materials.
- Plug-and-Play Integration: Standardized lead lengths and connector types simplify field HVAC sensor replacement.
What error codes indicate a faulty 26-0000-0039 sensor?
On the ENVI control panel, an open circuit typically displays 14°F or a specific "Open Sensor" block, while a shorted sensor often defaults to a value of 244°F. These readings indicate the sensor or its wiring has failed and requires immediate attention to restore boiler operation.
Is this sensor compatible with all P-K MACH models?
This thermistor sensor is commonly used on the MACH C300-C1050 for supply, return, and flue gas, and on the C1500 for return sensing. Always verify the specific terminal location and application in your unit's technical manual.
Can I test the 26-0000-0039 with a multimeter?
Yes, by measuring the resistance across the sensor leads and comparing the Ohms to the NTC resistance chart provided by Patterson-Kelley for the corresponding ambient or water temperature.
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: $70.78
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Description
The Patterson-Kelley 26-0000-0039 Sensor is a precision-engineered NTC thermistor designed for high-accuracy thermal monitoring in commercial hydronic systems. This temperature thermistor sensor is a critical component for the ENVI boiler control platform, providing the real-time data necessary for modulation and setpoint management. It is primarily utilized as a supply and return sensor for the P-K MACH condensing boiler series (specifically models C300 through C1050 and C1500VC200) as well as flue gas monitoring applications. The 26-0000-0039 commercial boiler part features a negative temperature coefficient, where resistance decreases as the temperature rises, allowing the controller to detect fluctuations within a fraction of a degree. Built with industrial-grade construction, it maintains signal integrity in high-vibration and high-temperature environments. Ensuring this sensor is calibrated and free of resistance drift is essential for preventing short-cycle issues and ensuring the system maintains peak hydronic heating efficiency. For technicians, verifying the resistance curve against the P-K service manual is the standard procedure for diagnosing potential "Open Sensor" or "Shorted Sensor" error codes on the ENVI display.
Key Benefits:- OEM Precision: Direct replacement temperature sensor designed specifically for Patterson-Kelley MACH and MODU-FIRE systems.
- Wide Application Range: Compatible for use as a water temperature sensor in supply, return, or flue gas monitoring positions.
- Enhanced Modulation: Provides the ENVI controller with accurate data to optimize fuel-to-air ratios and firing rates.
- Rugged Durability: Engineered for industrial HVAC temperature monitoring with thermal-shock resistant materials.
- Plug-and-Play Integration: Standardized lead lengths and connector types simplify field HVAC sensor replacement.
What error codes indicate a faulty 26-0000-0039 sensor?
On the ENVI control panel, an open circuit typically displays 14°F or a specific "Open Sensor" block, while a shorted sensor often defaults to a value of 244°F. These readings indicate the sensor or its wiring has failed and requires immediate attention to restore boiler operation.
Is this sensor compatible with all P-K MACH models?
This thermistor sensor is commonly used on the MACH C300-C1050 for supply, return, and flue gas, and on the C1500 for return sensing. Always verify the specific terminal location and application in your unit's technical manual.
Can I test the 26-0000-0039 with a multimeter?
Yes, by measuring the resistance across the sensor leads and comparing the Ohms to the NTC resistance chart provided by Patterson-Kelley for the corresponding ambient or water temperature.
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.
