{"product_id":"umwalzpumpe-halm-hep-optimo-15-4-0-g130","title":"Halm HEP-Optimo 25-8.0 G130 circulation pump","description":"\u003cp\u003e For use in heating, air conditioning and industrial plants\u003c\/p\u003e\n\n\n\u003cp\u003e • With digital display of current pump output\u003cbr\u003e\n • Integrated night setback\u003cbr\u003e\n • Manual start-up aid\u003cbr\u003e\n • Bleed screw\u003cbr\u003e\n • Automatic speed control (proportional pressure, constant volume) or fixed speed levels (constant pressure), adjustable via rotary knob\u003cbr\u003e \n• Pre-assembled, screw-on angled plug\u003cbr\u003e\n • External motor protection not required\u003cbr\u003e\n • With connector plug\u003cbr\u003e\n • Supplied without screws\u003c\/p\u003e\n\n\n\u003cp\u003e Technical data:\u003cbr\u003e\n • Operating voltage: 230 V, 50 Hz\u003cbr\u003e\n • Protection rating: IP42\u003cbr\u003e\n • Temperature range: +2°C to +110°C\u003cbr\u003e\n • Maximum operating pressure: 10 bar\u003cbr\u003e\n • Pump housing material: Grey cast iron, KTL-coated, corrosion-resistant\u003c\/p\u003e\n\n\n\u003cp\u003e • 130 mm version (without thermal insulation shell)\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"DN 40 (1 1\/2\") \/ 6…64 \/ DN 25 (1\")","offer_id":56800216154493,"sku":"90 029 47","price":281.8,"currency_code":"CHF","in_stock":true},{"title":"DN 40 (1 1\/2\") \/ 5...37 \/ DN 25 (1\")","offer_id":56800216187261,"sku":"90 029 46","price":251.65,"currency_code":"CHF","in_stock":true},{"title":"DN 40 (1 1\/2\") \/ 4...20 \/ DN 25 (1\")","offer_id":56800216220029,"sku":"90 029 45","price":234.45,"currency_code":"CHF","in_stock":true},{"title":"DN 32 (1 1\/4\") \/ 4...20 \/ DN 20 (3\/4\")","offer_id":56800216252797,"sku":"90 029 42","price":235.7,"currency_code":"CHF","in_stock":true},{"title":"DN 25 (1\") \/ 6…64 \/ DN 15 (1\/2\")","offer_id":56800216285565,"sku":"90 029 41","price":272.6,"currency_code":"CHF","in_stock":true},{"title":"DN 25 (1\") \/ 5...37 \/ DN 15 (1\/2\")","offer_id":56800216318333,"sku":"90 029 40","price":252.9,"currency_code":"CHF","in_stock":true},{"title":"DN 25 (1\") \/ 4...20 \/ DN 15 (1\/2\")","offer_id":56800216351101,"sku":"90 029 39","price":231.5,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0912\/2647\/2829\/files\/img_9002933_hauptbild--1500.jpg?v=1756520975","url":"https:\/\/www.emmenbaum.ch\/en\/products\/umwalzpumpe-halm-hep-optimo-15-4-0-g130","provider":"EMMENBAUM SHOP","version":"1.0","type":"link"}