Wired two-stage room regulator TECH T-3.1 black (model STT-3.1BK)

Wired two-stage room regulator TECH T-3.1 black (model STT-3.1BK) is a wall-mounted thermostat designed for two-step (on/off) control of heating systems via a wired connection. The device from TECH provides basic temperature regulation for residential and commercial interiors, enabling staged switching of heating equipment to maintain set temperature levels and improve energy efficiency. The black finish and compact design make it suitable for replacing or upgrading existing wired regulators without significant changes to interior décor.

Advantages

The TECH T-3.1BK offers simple two-stage control logic that is easy to install and configure for common heating setups. Its wired connection ensures reliable signal transmission and stable operation without dependence on wireless networks. The compact wall-mounted form factor and neutral black color allow discreet integration into various interior styles. Designed for straightforward retrofit scenarios, it is compatible with typical wiring found in many residential and small commercial heating systems.

Suitable for

• Residential heating systems requiring staged on/off control
• Small commercial spaces such as offices, shops, and service areas
• Replacing or upgrading existing wired room regulators
• Basic zone control for boilers, electric heaters, or circulation pumps

Key specifications

• Brand: TECH
• Model: T-3.1 (STT-3.1BK)
• MPN: TSSTT-3.1BK
• EAN: 5902479664217
• Color: Black
• Mounting: Wall-mounted
• Control type: Wired two-stage (on/off) regulator

How to use

Mount the regulator on an interior wall away from direct sunlight, drafts, or heat sources for accurate temperature sensing. Connect the device to the heating system wiring following the manufacturer wiring diagram and local electrical regulations; ensure power is turned off during installation. Set the control setpoint according to the required comfort level. The two-stage output will operate connected heating equipment in on/off stages to reach and maintain the set temperature. For detailed wiring and safety instructions refer to the TECH installation manual supplied with the product.

Usage recommendations

Use the TECH T-3.1BK as part of a zoned heating strategy for improved energy management. When replacing an existing wired thermostat, verify wire compatibility and terminal assignments before installation. For reliable operation, avoid mounting near ventilation outlets, radiators, or heat-generating appliances. Regularly inspect wiring and connections and follow local electrical codes for service and maintenance.