{"product_id":"caleffi-255he-series-circulation-group-with-flow-and-return-connection-1-f-connections-5-40-l-m","title":"Caleffi 255HE Series circulation group with flow and return connection - 1\" F connections - 5–40 l\/m","description":"\u003cp style=\"text-align:justify\"\u003e\u003cstrong\u003eCaleffi 255HE Series circulation group with flow and return connection - 1\" F connections - 5–40 l\/m\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e \u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003eCirculation group for \u003cstrong\u003eCaleffi 255HE Series solar systems.\u003c\/strong\u003e Safety devices are inserted in this relay 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 Solar\u003c\/strong\u003e high-efficiency circulation pump with \u003cstrong\u003ePWM control.\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 255HE Series\u003c\/strong\u003e circulation group is made up of:\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Grundfos Solar circulation pump;\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- safety valve for solar systems series 253;\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- 2 loading\/draining taps complete with hose holder;\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- instrument holder fitting with pressure gauge;\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- flow regulator with flow meter;\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- air vent device;\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- delivery thermometer;\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- return thermometer;\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- 2 shut-off valves and checks;\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- preformed shell insulation.\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e \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.\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\u003cstrong\u003e-\u003c\/strong\u003e Operating Pmax: 10 bar\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Safety valve temperature range: -30–160 °C\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Safety valve calibration: 6 bar\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Max flow meter temperature: 120 °C\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Max percentage of glycol: 50%\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Flow meter scale (l\/min) 5–40\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- PML 25-145 with PWM control\u003c\/p\u003e\n\n\u003cp style=\"text-align:justify\"\u003e- Attacks 1 F\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":53086750212434,"sku":"255266HE","price":1754.49,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0535\/5110\/4164\/files\/9c54e0acee976f878cfbaaa67fd9bc53.jpg?v=1777042235","url":"https:\/\/climamarket.com\/products\/caleffi-255he-series-circulation-group-with-flow-and-return-connection-1-f-connections-5-40-l-m","provider":"ClimaMarket Europe SLU","version":"1.0","type":"link"}