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Tech Boss Controller
Heating Replacement Parts & Accessories

Tech Boss Controller Code: ST21BK

The Tech Boss ST21BK controller controls the central heating water circulation pump, switching it on when the set temperature is reached and switching it off when the boiler cools below that...

The Tech Boss ST21BK controller controls the central heating water circulation pump, switching it on when the set temperature is reached and switching it off when the boiler cools below that temperature, based on the hysteresis setting. It can also function as a thermostat and features an LED display and a CO temperature sensor.

The ANTYSTOP function runs...

See Description & Specifications See Description & Specifications
75 90 €
Delivery Thu, 12 Nov - Wed, 18 Nov
14,00 €   shipping cost
Sent from Greece
From Getters 4.6 (112)
4.6 (112 reviews)
Greece
5+ pieces
See Heating, Cooling & Air Quality on the page of Getters

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Description & Specifications

The Tech Boss ST21BK controller controls the central heating water circulation pump, switching it on when the set temperature is reached and switching it off when the boiler cools below that temperature, based on the hysteresis setting. It can also function as a thermostat and features an LED display and a CO temperature sensor.

The ANTYSTOP function runs the pump for approximately 1 minute every 10 days. Frost protection switches on the pump when the temperature falls below 6 °C.

  • Pump control: CO or DHW
  • Power supply: 230 V/50 Hz ±10%
  • Maximum power consumption: 2 W
  • Ambient temperature: 5–50 °C
  • Maximum pump output load: 1 A
  • CO temperature setting range: -25–85 °C
  • Hysteresis: 1–10 °C
  • Measurement accuracy: 1 °C
  • Sensor temperature range: -25–90 °C
  • Fuse: 1.6 A
  • Sensor cable length: 1.5 m
  • Display: LED
  • Functions: Thermostat, ANTYSTOP and frost protection

Manufacturer

Manufacturer Details

Warnings & Safety Information
Product Number
ST21BK
Type
Controller
Compatibility
-

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

75,90 €
14,00 €   shipping cost