(image for) Warning Please note that we will be closed for company holidays from July 11, 2026, to July 20, 2026, and will only be able to process orders received during this period after our return. Consequently, the delivery times indicated for our products will be extended by approximately 4 days. Thank you for your understanding.
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Products Product Image Price Qty.

ST-21 Central Heating Pump Controllers with LED Display

The ST-21 controller is intended for controlling the circulation pump in the heating installation. The controller's job is to turn the pump on when the temperature exceeds the set value and turn it...
 (image for) ST-21 Central Heating Pump Controllers with LED Display 49.00 €
incl. 19% VAT
plus shipping and handling

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Valve Controller EU-I-1 (ST-431N) (DE.100 V1)

Functions performed by the controller: - smooth control of the three- and four-way valve - pump operation control - possible control of two valves by means of additional ST-61 modules - return...
 (image for) Valve Controller EU-I-1 (ST-431N) (DE.100 V1) 199.00 €
incl. 19% VAT
plus shipping and handling

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6


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