{"product_id":"tech-eu-21-pumpensteuerung-heizungsanlage","title":"TECH EU-21 pump control heating system circulation pump","description":"\u003cp data-start=\"764\" data-end=\"1022\"\u003eThe TECH EU-21 is a compact pump controller for the automatic control of circulation pumps in heating systems. It ensures efficient pump operation, reduces unnecessary power consumption, and protects the system through integrated safety functions.\u003c\/p\u003e  \u003chr data-start=\"1024\" data-end=\"1027\"\u003e  \u003ch2 data-start=\"1029\" data-end=\"1055\"\u003eHighlights \u0026amp; Advantages\u003c\/h2\u003e  \u003cp data-start=\"1057\" data-end=\"1483\"\u003e⭐ Automatic pump control – switching on and off depending on the boiler temperature\u003cbr data-start=\"1144\" data-end=\"1147\"\u003e⭐ Energy-saving operation – prevents unnecessary running times of the circulation pump.\u003cbr data-start=\"1222\" data-end=\"1225\"\u003e⭐ Integrated frost protection – protects the heating system at low temperatures\u003cbr data-start=\"1307\" data-end=\"1310\"\u003e⭐ Anti-stop function – prevents the pump from seizing up during extended periods of inactivity.\u003cbr data-start=\"1399\" data-end=\"1402\"\u003e⭐ Easy to use – clear display with plus, minus and menu buttons.\u003c\/p\u003e  \u003chr data-start=\"1485\" data-end=\"1488\"\u003e  \u003ch2 data-start=\"1490\" data-end=\"1520\"\u003eDetailed description\u003c\/h2\u003e  \u003ch3 data-start=\"1522\" data-end=\"1555\"\u003eArea of ​​application \u0026amp; Target audience\u003c\/h3\u003e  \u003cp data-start=\"1556\" data-end=\"1847\"\u003eThe TECH EU-21 pump controller is designed for heating systems with water-based heat generators. It is suitable for both residential heating systems and smaller commercial applications where reliable, temperature-dependent control of the circulation pump is required.\u003c\/p\u003e  \u003ch3 data-start=\"1849\" data-end=\"1873\"\u003eEveryday benefits\u003c\/h3\u003e  \u003cp data-start=\"1874\" data-end=\"2160\"\u003eBy automatically switching the pump on and off only when needed, the EU-21 reduces unnecessary operating times. This lowers energy consumption and extends the lifespan of the connected circulation pump. The manual operating mode also allows for easy functional testing of the pump.\u003c\/p\u003e  \u003ch3 data-start=\"2162\" data-end=\"2189\"\u003eTechnology \u0026amp; equipment\u003c\/h3\u003e  \u003cp data-start=\"2190\" data-end=\"2459\"\u003eThe controller operates based on temperature via an external sensor mounted at the boiler outlet. The desired switch-on temperature can be flexibly set. Additionally, a hysteresis can be defined to prevent frequent switching on and off.\u003c\/p\u003e  \u003ch3 data-start=\"2461\" data-end=\"2489\"\u003eEfficiency \u0026amp; Security\u003c\/h3\u003e  \u003cp data-start=\"2490\" data-end=\"2778\"\u003eAn integrated frost protection feature automatically switches the pump on as soon as the sensor temperature drops below 5 °C. The anti-stop function automatically activates the pump for one minute every 10 days to prevent blockage. Both functions can be deactivated in the service menu.\u003c\/p\u003e  \u003ch3 data-start=\"2780\" data-end=\"2820\"\u003ecompatibility \u0026amp; System integration\u003c\/h3\u003e  \u003cp data-start=\"2821\" data-end=\"3051\"\u003eThe TECH EU-21 can be operated either as a pump controller or as a thermostat. This allows for flexible integration into various heating systems. It is wall-mounted with a fixed 230 V mains connection.\u003c\/p\u003e  \u003chr data-start=\"3053\" data-end=\"3056\"\u003e  \u003ch2 data-start=\"3058\" data-end=\"3079\"\u003eTechnical data\u003c\/h2\u003e  \u003cdiv class=\"TyagGW_tableContainer\"\u003e  \u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e  \u003ctable data-start=\"3081\" data-end=\"3415\" class=\"w-fit min-w-(--thread-content-width)\"\u003e  \u003cthead data-start=\"3081\" data-end=\"3099\"\u003e  \u003ctr data-start=\"3081\" data-end=\"3099\"\u003e  \u003cth data-start=\"3081\" data-end=\"3091\" data-col-size=\"sm\" class=\"\"\u003efeature\u003c\/th\u003e  \u003cth data-start=\"3091\" data-end=\"3099\" data-col-size=\"sm\" class=\"\"\u003eValue\u003c\/th\u003e  \u003c\/tr\u003e  \u003c\/thead\u003e  \u003ctbody data-start=\"3117\" data-end=\"3415\"\u003e  \u003ctr data-start=\"3117\" data-end=\"3150\"\u003e  \u003ctd data-start=\"3117\" data-end=\"3130\" data-col-size=\"sm\"\u003eManufacturer\u003c\/td\u003e  \u003ctd data-start=\"3130\" data-end=\"3150\" data-col-size=\"sm\"\u003eTECH Controllers\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3151\" data-end=\"3169\"\u003e  \u003ctd data-start=\"3151\" data-end=\"3160\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e  \u003ctd data-start=\"3160\" data-end=\"3169\" data-col-size=\"sm\"\u003eEU-21\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3170\" data-end=\"3208\"\u003e  \u003ctd data-start=\"3170\" data-end=\"3185\" data-col-size=\"sm\"\u003eMains voltage\u003c\/td\u003e  \u003ctd data-start=\"3185\" data-end=\"3208\" data-col-size=\"sm\"\u003e230 V ±10 %\/50 Hz\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3209\" data-end=\"3236\"\u003e  \u003ctd data-start=\"3209\" data-end=\"3229\" data-col-size=\"sm\"\u003ePower consumption\u003c\/td\u003e  \u003ctd data-start=\"3229\" data-end=\"3236\" data-col-size=\"sm\"\u003e2 W\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3237\" data-end=\"3269\"\u003e  \u003ctd data-start=\"3237\" data-end=\"3258\" data-col-size=\"sm\"\u003eOperating temperature\u003c\/td\u003e  \u003ctd data-start=\"3258\" data-end=\"3269\" data-col-size=\"sm\"\u003e5–50 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3270\" data-end=\"3310\"\u003e  \u003ctd data-start=\"3270\" data-end=\"3301\" data-col-size=\"sm\"\u003eMax.Pump output load\u003c\/td\u003e  \u003ctd data-start=\"3301\" data-end=\"3310\" data-col-size=\"sm\"\u003e0.5 A\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3311\" data-end=\"3348\"\u003e  \u003ctd data-start=\"3311\" data-end=\"3340\" data-col-size=\"sm\"\u003eTemperature measurement accuracy\u003c\/td\u003e  \u003ctd data-start=\"3340\" data-end=\"3348\" data-col-size=\"sm\"\u003e1 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3349\" data-end=\"3393\"\u003e  \u003ctd data-start=\"3349\" data-end=\"3376\" data-col-size=\"sm\"\u003eTemperature range sensor\u003c\/td\u003e  \u003ctd data-start=\"3376\" data-end=\"3393\" data-col-size=\"sm\"\u003e-30 to 99 °C\u003c\/td\u003e  \u003c\/tr\u003e  \u003ctr data-start=\"3394\" data-end=\"3415\"\u003e  \u003ctd data-start=\"3394\" data-end=\"3406\" data-col-size=\"sm\"\u003eSecurity\u003c\/td\u003e  \u003ctd data-start=\"3406\" data-end=\"3415\" data-col-size=\"sm\"\u003e1.6 A\u003c\/td\u003e  \u003c\/tr\u003e  \u003c\/tbody\u003e  \u003c\/table\u003e  \u003c\/div\u003e  \u003c\/div\u003e  \u003chr data-start=\"3417\" data-end=\"3420\"\u003e  \u003ch2 data-start=\"3422\" data-end=\"3439\"\u003eScope of delivery\u003c\/h2\u003e  \u003cul data-start=\"3441\" data-end=\"3537\"\u003e  \u003cli data-start=\"3441\" data-end=\"3471\"\u003e  \u003cp data-start=\"3443\" data-end=\"3471\"\u003eTECH EU-21 Pump Controller\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3472\" data-end=\"3492\"\u003e  \u003cp data-start=\"3474\" data-end=\"3492\"\u003etemperature sensor\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3493\" data-end=\"3516\"\u003e  \u003cp data-start=\"3495\" data-end=\"3516\"\u003eUser manual\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3517\" data-end=\"3537\"\u003e  \u003cp data-start=\"3519\" data-end=\"3537\"\u003eAssembly instructions\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003chr data-start=\"3539\" data-end=\"3542\"\u003e  \u003ch2 data-start=\"3544\" data-end=\"3569\"\u003eAccessories\/Recommendation\u003c\/h2\u003e  \u003cul data-start=\"3571\" data-end=\"3693\"\u003e  \u003cli data-start=\"3571\" data-end=\"3607\"\u003e  \u003cp data-start=\"3573\" data-end=\"3607\"\u003eCirculation pumps for heating systems\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3608\" data-end=\"3636\"\u003e  \u003cp data-start=\"3610\" data-end=\"3636\"\u003eSubmersible or surface-mounted sensor\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3637\" data-end=\"3660\"\u003e  \u003cp data-start=\"3639\" data-end=\"3660\"\u003ePump connection sets\u003c\/p\u003e  \u003c\/li\u003e  \u003cli data-start=\"3661\" data-end=\"3693\"\u003e  \u003cp data-start=\"3663\" data-end=\"3693\"\u003eReplacement sensors and fuses\u003c\/p\u003e  \u003c\/li\u003e  \u003c\/ul\u003e  \u003cp data-start=\"3695\" data-end=\"3777\"\u003eYou can find suitable products in the relevant categories on \u003cstrong data-start=\"3761\" data-end=\"3776\"\u003egemashop.de\u003c\/strong\u003e.\u003c\/p\u003e  \u003chr data-start=\"3779\" data-end=\"3782\"\u003e  \u003ch2 data-start=\"3784\" data-end=\"3819\"\u003eAssembly \u0026amp; Safety instructions\u003c\/h2\u003e  \u003cp data-start=\"3821\" data-end=\"4102\"\u003eInstallation and commissioning must be carried out exclusively by a qualified specialist company. Before any work is done on the control unit, it must be de-energized. The temperature sensor must not be immersed in liquids and must be insulated against external influences.\u003c\/p\u003e  \u003chr data-start=\"4104\" data-end=\"4107\"\u003e  \u003ch2 data-start=\"4109\" data-end=\"4117\"\u003eFAQ\u003c\/h2\u003e  \u003cp data-start=\"4119\" data-end=\"4246\"\u003e\u003cstrong data-start=\"4119\" data-end=\"4150\"\u003eWhat controls TECH EU-21?\u003c\/strong\u003e\u003cbr data-start=\"4150\" data-end=\"4153\"\u003eIt automatically controls a circulation pump in a heating system depending on the temperature.\u003c\/p\u003e  \u003cp data-start=\"4248\" data-end=\"4383\"\u003e\u003cstrong data-start=\"4248\" data-end=\"4296\"\u003eCan the pump be switched on manually?\u003c\/strong\u003e\u003cbr data-start=\"4296\" data-end=\"4299\"\u003eYes, in manual mode the pump can be switched on and off by pressing a button.\u003c\/p\u003e  \u003cp data-start=\"4385\" data-end=\"4512\"\u003e\u003cstrong data-start=\"4385\" data-end=\"4424\"\u003eWhat does the anti-stop function do?\u003c\/strong\u003e\u003cbr data-start=\"4424\" data-end=\"4427\"\u003eIt prevents the pump from becoming blocked by regularly switching it on automatically.\u003c\/p\u003e  \u003cp data-start=\"4514\" data-end=\"4625\"\u003e\u003cstrong data-start=\"4514\" data-end=\"4549\"\u003eIs antifreeze integrated?\u003c\/strong\u003e\u003cbr data-start=\"4549\" data-end=\"4552\"\u003eYes, the pump is automatically switched on at temperatures below 5 °C.\u003c\/p\u003e  \u003cp data-start=\"4627\" data-end=\"4763\"\u003e\u003cstrong data-start=\"4627\" data-end=\"4675\"\u003eCan the EU-21 also function as a thermostat?\u003c\/strong\u003e\u003cbr data-start=\"4675\" data-end=\"4678\"\u003eYes, the operating mode can be switched between pump control and thermostat.\u003c\/p\u003e  \u003cp data-start=\"4765\" data-end=\"4854\"\u003e\u003cstrong data-start=\"4765\" data-end=\"4799\"\u003eWhat voltage is required?\u003c\/strong\u003e\u003cbr data-start=\"4799\" data-end=\"4802\"\u003eThe controller is operated with 230 V mains voltage.\u003c\/p\u003e  \u003chr data-start=\"4856\" data-end=\"4859\"\u003e  \u003ch2 data-start=\"4861\" data-end=\"4871\"\u003eConclusion\u003c\/h2\u003e  \u003cp data-start=\"4873\" data-end=\"5120\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe TECH EU-21 is a reliable and efficient pump controller for heating systems. It combines ease of use with essential safety features and helps reduce operating costs. Order now and optimize your heating system.\u003c\/p\u003e","brand":"Master","offers":[{"title":"Default Title","offer_id":47098233291100,"sku":"DE20","price":54.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/7796\/6428\/files\/tech-eu-21-pumpensteuerung-heizungsanlage-umlaufpumpe-pumpensteuerung-9567558.webp?v=1770861681","url":"https:\/\/mt.gemashop.de\/et\/products\/tech-eu-21-pump-control-heating-system-1","provider":"GEMA Shop","version":"1.0","type":"link"}