TECH ST-19 Pump Controller for Central Heating and DHW Pumps

The TECH ST-19 WG.14.0104 is a professional pump controller designed for central heating (CO) and domestic hot water (DHW) pumps. It provides reliable temperature regulation and pump protection, ensuring efficient operation of your heating system. The controller features a clear LED display and intuitive controls for easy setup and monitoring.

Advantages

Energy-efficient operation with low power consumption (<2 W). Adjustable hysteresis (2°C-10°C) for precise temperature control. Built-in anti-stop and anti-freeze protection functions extend pump lifespan. Compact wall-mounted design saves space.

Suitable for

• Central heating (CO) pumps
• Domestic hot water (DHW) pumps
• Heating systems requiring temperature regulation

Key specifications

• Power supply: 230V AC / 50Hz
• Max pump output load: 0.5 A
• Power consumption: <2 W
• Temperature setting range: 5°C - 80°C
• Temperature measurement range: 0°C - 99°C
• Hysteresis: 2°C - 10°C (adjustable)
• Sensor type: NTC (included)
• Sensor cable length: 1.2 m
• Display: LED (3-digit)
• Operating modes: Manual, Automatic
• Protection functions: Anti-stop, Anti-freeze
• Protection class: IP20
• Operating temperature: 5°C - 50°C
• Mounting: Wall-mounted
• Output: 1 x 230V AC (for pump)

Recommendations

For optimal performance, install the controller in a dry indoor location and ensure proper sensor placement. Suitable for use with compatible pumps up to 0.5 A load.