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White rectangular Tekmar 076 indoor sensor on plain background

Tekmar

Tekmar 076 Indoor Sensor Replaces 074

SKU CH-5GQD-B31WN

Replacement indoor sensor for Tekmar heating systems, supersedes the 074 model

  • Replaces legacy 074 sensor for direct compatibility
  • Tekmar brand ensures manufacturer quality standards
  • Indoor sensor monitors room temperature accurately
  • First listed April 2023 for current design
  • No width constraint simplifies installation planning

Direct Replacement Sensor

The Tekmar 076 indoor sensor serves as a direct replacement for the 074 model in compatible HVAC systems. It is intended for installers or RV owners maintaining existing climate control setups where the original sensor has failed. This component restores temperature monitoring without requiring a full system upgrade.

Simple Swap Installation

Installation involves removing the old 074 unit and wiring the 076 in its place using the existing connections. No programming or calibration is typically required because the replacement matches the original specifications. The main risk is incorrect wiring polarity, which can prevent the controller from reading the sensor accurately.

Legacy System Constraint

The sensor operates only within the electrical parameters defined by the older 074 interface used in specific Tekmar controls. It cannot function with newer protocols or different voltage ranges found in modern automation systems. Buyers needing wireless connectivity, smart-home integration, or expanded temperature ranges must choose a different product line.

Highlights

  • Replaces legacy 074 sensor for direct compatibility
  • Tekmar brand ensures manufacturer quality standards
  • Indoor sensor monitors room temperature accurately
  • First listed April 2023 for current design
  • No width constraint simplifies installation planning

Specifications

BrandTEKMAR

Questions about this item

How do I verify the 076 indoor sensor is working after installation?

The 076 indoor sensor replaces the 074 model; once wired to the Tekmar control, the display should show a room-temperature reading that matches the actual space.

What comes with the 076 indoor sensor and what must be purchased separately?

The package contains only the 076 indoor sensor; mounting hardware and any required control modules are sold separately.

Which version should I choose between the 076 and the older 074 sensor?

Choose the 076 indoor sensor because it is the direct replacement for the 074 and is the current model listed by Tekmar.

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