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Tech Hot Water Pump Controller St-21 Cwu Heating White
Central Heating Parts & Accessories

Tech Hot Water Pump Controller St-21 Cwu Heating White Code: ST21CWUWH

The Tech ST-21 hot water pump controller controls pump operation and prevents unnecessary activation, as well as unwanted cooling of the tank when the flow temperature drops. The ANTYSTOP function...

The Tech ST-21 hot water pump controller controls pump operation and prevents unnecessary activation, as well as unwanted cooling of the tank when the flow temperature drops. The ANTYSTOP function activates the pump for approximately 1 minute every 10 days. Frost protection keeps the pump running when the temperature at the boiler or tank sensor falls below...

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Description & Specifications

The Tech ST-21 hot water pump controller controls pump operation and prevents unnecessary activation, as well as unwanted cooling of the tank when the flow temperature drops. The ANTYSTOP function activates the pump for approximately 1 minute every 10 days. Frost protection keeps the pump running when the temperature at the boiler or tank sensor falls below 6 °C, and switches it off at 7 °C.

The temperature is shown on the LED display and can be viewed using the MINUS button for the water in the hot water tank and the PLUS button for the boiler flow water. The menu includes manual mode, adjustment of the pump activation delta, activation and deactivation limits, and factory settings. The sensor is secured with a cable tie and insulated with insulating tape.

  • Type: Hot water pump controller
  • Compatibility: Boiler
  • Functions: Pump control, ANTYSTOP, frost protection, manual mode
  • Frost protection: Activates below 6 °C and deactivates at 7 °C
  • Output control: Voltage-free
  • Display: LED
  • Temperature sensors: 2

Manufacturer

Manufacturer Details

Warnings & Safety Information
Product Number
ST21CWUWH

Dimensions

Type
Temperature Sensor
Compatibility
for Boiler
Construction Material [Pharmaceutical]
-
Smart / WiFi
No

Technical Parameters

Thread / Cross-section
-
Power
-
Maximum Pressure
-

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.

157,90 €
14,00 €   shipping cost