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Porsche > 356 (1950-1965) > Heating / Air Conditioning >

Temperature Sensors / Switches

Temperature Sensors / Switches

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Heating And Ventilation Control Switch. Porsche 356 B / 356 C - 64457108106 - 644 571 081 06
2
Heating And Ventilation Control Switch. Porsche 356 B / 356 C
64457108106/1
Product Information
Product Information
Heating And Ventilation Control Switch.
Restore reliable operation of your Porsche's heating and ventilation system with this OE Match Heating and Ventilation Control Switch, manufactured as a direct replacement. Produced to OE-style specifications, this switch is designed to provide dependable control over the vehicle's heating and ventilation functions while maintaining the original appearance and fit within the dashboard.

Fits:
  • Porsche 356B 1959-63
  • Porsche 356C 1963-65  

Diagram Ref No 2

With years of regular use, the original control switch can become worn internally or suffer from corrosion and electrical contact failure. This may result in intermittent operation, difficulty selecting functions, or complete failure of the heating and ventilation controls. Replacing a faulty switch restores dependable operation and driver comfort, making this OE Match component ideal for routine maintenance, electrical repairs, and Porsche restoration projects.  

What This Product Does:
  • Operates the vehicle's heating and ventilation system.
  • Provides reliable selection of heating and airflow functions.
  • Ensures dependable electrical switching performance.
  • Restores proper operation of the dashboard controls.
  • Replaces worn, damaged, or faulty original switches.
  • Maintains the original appearance of the dashboard.
  • Provides an OE-style fit and dependable quality.

Symptoms Of Wear Or Failure:

  • Heating or ventilation functions operate intermittently.
  • Switch fails to activate the selected function.
  • Loose or inconsistent switch operation.
  • Electrical contacts becoming unreliable.
  • Heating or ventilation controls difficult to operate.
  • Visible wear or damage to the switch.
  • Dashboard control restoration requiring replacement components.

Why Replacement Matters:
  • The heating and ventilation control switch is an essential part of the climate control system, allowing the driver to select and operate the required heating and airflow functions. A worn or faulty switch can prevent correct operation of the ventilation system, reducing cabin comfort and affecting windscreen demisting performance.
  • Replacing the switch restores reliable control of the heating and ventilation system while preserving the original functionality and appearance of the dashboard. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match heating and ventilation control switch provides the correct fit, dependable quality, and long-lasting durability, making it an excellent choice for Porsche maintenance, electrical repairs, and restoration projects.



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About Temperature Sensors / Switches

Porsche Temperature Sensors & Switches - Accurate Climate & System Control

Porsche temperature sensors and switches play a vital role in monitoring and regulating heating, air conditioning, and engine-related temperature systems. By continuously measuring temperature and sending accurate data to control units, these components ensure efficient cabin climate control, system protection, and reliable vehicle operation.

Available from Design911, temperature sensors and switches are supplied to OEM standards, making them ideal for maintenance, fault repair, and restoring proper HVAC system performance.

What Do Porsche Temperature Sensors & Switches Do?

Temperature sensors and switches provide real-time temperature data and system protection.

Core Functions:

  • Monitor cabin, evaporator, and coolant temperatures
  • Regulate heating and air conditioning output
  • Trigger cooling fans or system protection responses
  • Prevent system overheating or freezing
  • Ensure consistent passenger comfort

Accurate sensor readings are essential for efficient climate control and system longevity.

Why Do Temperature Sensors & Switches Fail?

Temperature sensors operate in environments exposed to heat, moisture, and electrical load.

Common Causes of Failure:

  • Sensor degradation due to age and heat cycling
  • Electrical faults or wiring corrosion
  • Moisture ingress affecting sensor accuracy
  • Internal switch wear or sticking
  • Contamination from dust or debris

Failure can lead to incorrect temperature readings, poor climate performance, or warning lights.

When Should Temperature Sensors & Switches Be Replaced?

Porsche temperature sensors and switches should be inspected and replaced if the following symptoms occur:

  • Inconsistent or incorrect cabin temperature
  • HVAC system not responding correctly
  • Air conditioning cutting out or overcooling
  • Fault codes related to temperature regulation
  • During HVAC system servicing or repairs

Timely replacement restores accurate system control and passenger comfort.

Highlights

  • Essential Porsche HVAC monitoring components
  • Ensures accurate temperature regulation
  • Supports efficient heating and air conditioning
  • OEM-spec reliability and fitment
  • Suitable for diagnostics, repairs, and maintenance       

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