{"product_id":"mrcool-heatwise™-4500-watt-electric-tank-water-heater-40-gallon-capacity-mtwh04540e","title":"MRCOOL HeatWise™ 4500 Watt Electric Tank Water Heater - 40 Gallon Capacity, MTWH04540E","description":"\u003cp\u003eThe MRCOOL® HeatWise™ 40-Gallon Electric Tank Water Heater is the workhorse choice for households that demand consistent, high-volume hot water without compromise. Powered by a 4,500W element at 240\/208V and adjustable across a 90–150°F range, the MTWH04540E is engineered to keep pace with the daily demands of a busy home. Inside, an anti-bacterial enameled tank and ceramic-coated heating element form a corrosion-resistant core, while a patented Rare Earth Anode rod outlasts standard magnesium rods by 50%, standing guard against tank degradation for the long term. A self-cleaning flow guide handles sediment automatically, and a solid brass ball valve locks in a leak-resistant connection that holds up for years. AHRI Certified and cULus Listed, the MTWH04540E is backed by a 10-year parts warranty, a 10-year tank warranty, and a 1-year limited labor warranty.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40-Gallon Capacity\u003c\/strong\u003e: The MTWH04540E delivers a generous hot water reserve suited for medium to large households, driven by a 4,500W element at 240\/208V, a 90–150°F adjustable temperature range, and a max working pressure of 149.39 PSI.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Bacterial Enameled Tank\u003c\/strong\u003e: A 2mm steel shell lined with a 0.25–0.5mm anti-bacterial enamel coating resists corrosion and inhibits bacterial growth, protecting water quality and structural integrity across years of continuous operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Rare Earth Anode Rod\u003c\/strong\u003e: MRCOOL®'s proprietary Rare Earth Anode rod outlasts conventional magnesium anode rods by 50%, delivering superior tank protection and significantly extending the usable life of the heater.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Heating Elements\u003c\/strong\u003e: Enamel-coated heating elements resist scale and corrosion buildup, sustaining efficient heat transfer and reducing maintenance demands over the full service life of the unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Guide Self-Cleaning\u003c\/strong\u003e: An integrated flow guide agitates sediment during normal operation, flushing mineral deposits before they accumulate and erode efficiency or compromise tank integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Brass Ball Valve\u003c\/strong\u003e: A solid brass ball valve at the 3\/4\" NPT water connection provides a robust, leak-resistant shutoff that outperforms plastic alternatives in durability and long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e: Standard 3\/4\" NPT water connections and a straightforward 240\/208V electrical hookup simplify both replacement installs and new construction applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-Backed Warranty\u003c\/strong\u003e: Covered by a 10-year parts warranty, 10-year tank warranty, and 1-year limited labor warranty for single-family residential installations, with AHRI Certification and cULus Listing confirming compliance with North American safety and performance standards.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MRCOOL","offers":[{"title":"Default Title","offer_id":53296988225849,"sku":"MTWH04540E","price":864.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0292\/1336\/0188\/files\/MC-Tanked-WH-front_vpb0p1_24f6e230-fea6-4ab7-946b-7c658ff4b63d.png?v=1778790215","url":"https:\/\/chillminisplits.com\/products\/mrcool-heatwise%e2%84%a2-4500-watt-electric-tank-water-heater-40-gallon-capacity-mtwh04540e","provider":"Chill Mini Splits","version":"1.0","type":"link"}