{"product_id":"watlow-bln739r5-21-industrial-electric-heater-element","title":"Watlow BLN739R5-21 Industrial Electric Heater Element","description":"\u003cdiv\u003e\u003cp\u003eThe Watlow BLN739R5-21 is a 15 kW, 480 VAC, three‑phase screw plug immersion heater element designed for direct liquid heating in industrial systems. Its 39-1\/2 inch length and 3 inch diameter support high‑capacity heating in tanks, reservoirs, process vessels, and fluid handling equipment, and it is engineered to heat water, process water, oils, and heat transfer fluids. Direct immersion heating and industrial‑duty construction deliver dependable temperature control for applications in water treatment, chemical processing, boiler feed systems, wash tanks, and other manufacturing processes requiring reliable high‑wattage heat. Maintenance teams, OEMs, and system integrators use this unit for replacement of failed immersion heaters, equipment repairs, retrofits, and process heating upgrades; common replacements include Watlow BLN739R5C, BLN739R5S, and BLN739R5W.\u003c\/p\u003e\u003c\/div\u003e","brand":"WATLOW","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":46242260287722,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/8039\/3450\/files\/GTG-STOCK-003.png?v=1788727429","url":"https:\/\/gtghardware.com\/products\/watlow-bln739r5-21-industrial-electric-heater-element","provider":"GTG Hardware","version":"1.0","type":"link"}