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Pipe Temperature Combo Sensor (T2b) – Compatible with MRCOOL Heat Pump Condensers | Part #11201007000007

Brand Multiple Model Multi-Zone
MRCOOL® PART NUMBER 11201007000007
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Compatibility matters. Replacement parts are model-specific. Images may be stock photos, and small visual differences may exist between production batches. Verify your model number, serial number, and existing part before placing an order.
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Not Sure This Is The Correct Part?

Send us your indoor unit model number, serial number, and photos of the existing part before ordering. This helps us verify compatibility and reduce the chance of ordering the wrong replacement part.

Maintain precise system performance and protect critical components with the MRCOOL Pipe Temperature Combo Sensor (T2b), part number 11201007000007. This OEM sensor is a vital diagnostic and operational component used in MRCOOL ductless mini split heat pump condenser systems.

The T2b pipe temperature sensor is designed to monitor refrigerant line temperatures and provide real-time feedback to the system’s control board. This sensor helps regulate defrost cycles, compressor behavior, and overall system efficiency by detecting fluctuations in pipe temperatures during both heating and cooling modes. When operating properly, it ensures optimal comfort and energy efficiency while helping to prevent system damage caused by overheating or freezing conditions.

Ideal for use in MRCOOL 3rd, 4th, and 5th generation mini split condensers, this combo sensor may also be compatible with similar systems across other brands utilizing shared design specifications. Installation is straightforward for HVAC technicians and experienced DIYers performing system diagnostics, routine maintenance, or component replacement.

Technical Specifications & Features:

Part Number: 11201007000007

Component Type: Pipe Temperature Combo Sensor (T2b)

Function: Measures refrigerant line temperature for heat pump system regulation

Compatibility: Designed for use with multiple MRCOOL ductless mini split condensers

Installation Location: Outdoor condenser – attaches to refrigerant piping

Applications: Supports accurate compressor logic, defrost timing, and efficiency tuning

Use Case: Ideal for system repair, troubleshooting error codes, or replacing failed sensors

⚠️ Compatibility Notice:

This sensor is designed specifically for MRCOOL condensers but may be used in other units with compatible control systems. Please verify model compatibility before purchase. Images may be representative and not show exact wiring configuration.

Why Buy from MRCOOL DIY Direct?

As the USA’s most trusted MRCOOL dealer, we offer direct access to factory-authorized replacement parts, expert customer service, and fast nationwide shipping. Whether you’re performing a repair, preventative maintenance, or system upgrade, MRCOOL DIY Direct is your reliable source for HVAC components built to perform.

Confirmed Fitment

No confirmed fitment models have been added yet. Verify compatibility before ordering.

Part Details

Part CategorySensors and Controls
Part TypeTemperature Sensor
BrandMultiple Model Multi-Zone
MRCOOL® Part Number11201007000007
Also Known As
  • Thermistor
  • Temperature Probe
  • Room Temperature Sensor
  • Coil Temperature Sensor
  • Ambient Temperature Sensor
  • HVAC Sensor

Common Symptoms

This replacement part may be needed if your system is experiencing any of the following issues:

  • Incorrect temperature readings
  • System not reaching set temperature
  • Frequent cycling
  • Error codes
  • Inaccurate thermostat operation
  • Poor performance
  • Communication faults

Installation Notes

This replacement part should be installed by a qualified technician or a capable installer familiar with mini split service procedures. Always disconnect power before servicing HVAC equipment.

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FAQMRCOOL DIY Direct

Frequently Asked Questions About HVAC & Mini Split Replacement Parts

Quick answers to common questions about sizing, installation, and choosing the right MRCOOL DIY system.

How Do I Know If This Replacement Part Fits My HVAC System?

The best way to verify compatibility is by checking the model number and serial number of your HVAC system before ordering. Many replacement parts can fit multiple models, generations, or product series, while others are designed for specific units only. Model numbers are typically found on the equipment data plate located on the indoor air handler, outdoor condenser, or inside the service panel. If you are unsure, contact our team with your model number and photos of the existing part for compatibility verification.

Where Can I Find My Mini Split Model Number?

Most mini split model numbers can be found on the manufacturer data label attached to the indoor air handler or outdoor condenser. The label typically includes the model number, serial number, electrical specifications, refrigerant type, and manufacturing information. Providing this information helps ensure you receive the correct replacement part for your system.

Are OEM HVAC Replacement Parts Better Than Aftermarket Parts?

OEM (Original Equipment Manufacturer) replacement parts are designed to meet the exact specifications of the original equipment. Using genuine OEM parts helps ensure proper fitment, reliable operation, and long-term system performance. Aftermarket parts may not always meet the same design standards, which can result in compatibility or performance issues.

Can HVAC Replacement Parts Fit Multiple Models or Generations?

Yes. Many HVAC replacement parts are used across multiple models, capacities, and generations of equipment. However, compatibility can vary based on manufacturing revisions, electrical requirements, control board versions, and system design changes. Always verify compatibility before ordering any replacement component.

What Are the Most Commonly Replaced Mini Split Parts?

Some of the most commonly replaced mini split components include blower motors, cross flow fans, control boards, temperature sensors, remote controls, fan bearings, drain pumps, louvers, and communication modules. Replacing worn or failed components can help restore proper heating, cooling, airflow, and system efficiency.

Can I Replace HVAC Parts Myself?

Some replacement parts can be installed by experienced homeowners, while others should be installed by a qualified HVAC technician. Electrical components, refrigerant-related parts, and advanced control systems may require specialized tools, training, or safety procedures. Always follow manufacturer instructions and local codes when servicing HVAC equipment.

What Can Cause A Mini Split To Stop Heating Or Cooling Properly?

Poor heating or cooling performance can be caused by several issues, including failed blower motors, damaged fan assemblies, faulty sensors, defective control boards, airflow restrictions, dirty filters, refrigerant issues, or communication errors between system components. Proper troubleshooting is recommended before replacing any part.

How Can I Verify The Correct Replacement Part Before Ordering?

To verify compatibility, gather your equipment model number, serial number, and clear photos of the existing component. This information allows our team to compare your system with manufacturer specifications and help identify the correct replacement part for your equipment.

Can Replacement HVAC Parts Be Returned?

Return eligibility varies depending on the type of part and its condition. Electrical components, control boards, special-order items, and installed parts may be subject to specific return restrictions. Please review the current return policy before ordering and contact us with any questions regarding part eligibility.

How Long Do Mini Split Components Typically Last?

The lifespan of HVAC components depends on operating conditions, maintenance, installation quality, and environmental factors. Many motors, fans, sensors, and electronic components can provide years of reliable service when properly maintained. Regular cleaning, inspection, and preventive maintenance can help extend the life of your HVAC system and its replacement parts.