{"product_id":"caleffi-series-279he-circulation-group-3-4-f-connections-with-delivery-and-return-connection-upm3-pump-1-13-l-min","title":"Caleffi Series 279HE circulation group 3\/4\" F connections with delivery and return connection - UPM3 PUMP - 1–13 l\/min","description":"\u003cp style=\"text-align:justify\"\u003e\u003cstrong\u003eCaleffi Series 279HE solar thermal circulator 3\/4\" F connections with flow and return connection - UPM3 PUMP - 1–13 l\/min\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003eThe \u003cstrong\u003eCaleffi Series 279HE\u003c\/strong\u003e circulation group has the function of regulating the temperature inside the boiler and is used on the \u003cstrong\u003eprimary circuit of solar systems\u003c\/strong\u003e . Safety devices are inserted in the group in order to guarantee regular monitoring of the circuit. This version has \u003cstrong\u003ea flow and return connection\u003c\/strong\u003e and is equipped with a \u003cstrong\u003eGrundfos UPM3 Solar 15-75\u003c\/strong\u003e high efficiency circulation pump with \u003cstrong\u003ePWM control\u003c\/strong\u003e designed for connection to a \u003cstrong\u003eDeltaSol SLL 1–13 l\/min digital regulator\u003c\/strong\u003e , 3\/4 F connections.\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003ePWM technology guarantees a drastic \u003cstrong\u003ereduction in the power dissipated\u003c\/strong\u003e by the group \u003cstrong\u003e \u003c\/strong\u003e with a consequent greater \u003cstrong\u003eefficiency of the system,\u003c\/strong\u003e in fact the pumps can work according to an internal control at constant speed or external PWM, using a specific regulator, which adapts the performance to the needs of the system.\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e\u003cbr\u003e\nThe \u003cstrong\u003eCaleffi Series 279HE\u003c\/strong\u003e circulation group is complete with:\u003cbr\u003e\n- Solar circulation pump;\u003cbr\u003e\n- safety valve for solar systems series 253;\u003cbr\u003e\n- 2 loading\/draining taps;\u003cbr\u003e\n- instrument holder fitting with pressure gauge;\u003cbr\u003e\n- flow meter;\u003cbr\u003e\n- air vent device;\u003cbr\u003e\n- delivery thermometer;\u003cbr\u003e\n- return thermometer;\u003cbr\u003e\n- 2 shut-off valves and checks;\u003cbr\u003e\n- 2 hose holders.\u003cbr\u003e\nPrepared for connection to DeltaSol SLL digital regulator.\u003cbr\u003e\nWith PWM control.\u003cbr\u003e\nWith insulation.\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003eThe installation must be carried out by \u003cstrong\u003eexpert\u003c\/strong\u003e and \u003cstrong\u003equalified\u003c\/strong\u003e technical personnel. Further information regarding installation methods and technical specifications is contained in the \u003cstrong\u003euser manual\u003c\/strong\u003e supplied.\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e\u003cstrong\u003eTECHNICAL FEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Maximum operating pressure: 10 bar\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Fluid temperature range: -10–110 °C\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Calibration: 6 bar\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Power supply: 230 V (AC)\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Maximum percentage of glycol: 50%\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Fluid of use: glycol solutions, water\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e\u003cstrong\u003eWARRANTY\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003eThe guarantee is the official \u003cstrong\u003eCaleffi\u003c\/strong\u003e one and lasts \u003cstrong\u003e2 years.\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":53086779146578,"sku":"279050HE","price":724.94,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0535\/5110\/4164\/files\/7156005709561d2c4082c330b2b72459_2ccbea85-6108-4232-9c20-e5dd21dcf684.jpg?v=1777042310","url":"https:\/\/climamarket.com\/en-de\/products\/caleffi-series-279he-circulation-group-3-4-f-connections-with-delivery-and-return-connection-upm3-pump-1-13-l-min","provider":"ClimaMarket Europe SLU","version":"1.0","type":"link"}