{"product_id":"rheem-rtex-13-240v-residential-tankless-water-heater-gray","title":"Rheem RTEX-13 240V Residential Tankless Water Heater (Gray)","description":"\u003ch2\u003eOn‑Demand Hot Water, When You Need It\u003c\/h2\u003e\n\u003cp\u003eMeet the Rheem 240V Heating Chamber RTEX-13, a compact, gray tankless electric water heater designed for single point‑of‑use or multi‑application setups. It delivers hot water quickly and reliably, without the bulk of a traditional tank, making it a flexible choice for tight spaces and evolving layouts.\u003c\/p\u003e\n\u003cp\u003eWith an emphasis on precise control and efficient performance, this unit helps you tailor hot water to your daily routines—whether you’re running a kitchen faucet, a bathroom sink, or a small multi‑fixture setup. The goal is steady warmth on demand, not a bundle of variables you have to manage manually.\u003c\/p\u003e\n\n\u003ch3\u003eSmart, Precise Temperature Control\u003c\/h3\u003e\n\u003cp\u003eThe external digital thermostat features an LED display that makes temperature adjustments clear and straightforward. You can set temperatures in small increments (1°) to fit sensitive tasks or comfort preferences, while the self‑modulating power control automatically scales energy use to match demand. The result is warmth when you want it, with efficiency built in.\u003c\/p\u003e\n\n\u003ch3\u003eDurable, Efficient Heat Source\u003c\/h3\u003e\n\u003cp\u003eInside, copper immersion heating elements provide reliable heat transfer, and they’re field serviceable to support ongoing maintenance without a full replacement. The unit touts high energy efficiency (up to 99.8%), helping to minimize waste heat and support responsible energy use over time.\u003c\/p\u003e\n\n\u003ch3\u003eEasy Installation and Practical Features\u003c\/h3\u003e\n\u003cp\u003eSetup is straightforward thanks to practical design and included hardware. You’ll find 1\/2 NPT adapters and side 1\/2 inch compression water connections, with threading that supports straightforward replacement if needed. A digital temperature display helps confirm settings at a glance, so you’re never guessing.\u003c\/p\u003e\n\n\u003ch3\u003eReal‑World Use and Capacity\u003c\/h3\u003e\n\u003cp\u003eIdeal for under‑sink tasks, compact apartments, or small multi‑use areas where on‑demand hot water matters. The unit supports a flow rate up to 3.17 GPM under favorable conditions, with electrical requirements listed at 54 A and 13 kW for the model in question. Availability of hot water can depend on incoming water temperature and power supply.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications at a Glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExternal digital thermostat with LED display for precise control\u003c\/li\u003e\n  \u003cli\u003eDurable copper heating elements, field serviceable\u003c\/li\u003e\n  \u003cli\u003eSimple hookup with included adapters and standard water connections\u003c\/li\u003e\n  \u003cli\u003eUp to 99.8% energy efficiency; 1°F increments for temperature adjustments\u003c\/li\u003e\n  \u003cli\u003eWater‑Saver Shower Head rated at 1.5 GPM to help reduce flow\u003c\/li\u003e\n  \u003cli\u003eCompact, threaded design for easy replacement and maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat This Could Mean for Your Home\u003c\/h3\u003e\n\u003cp\u003eThink of shorter wait times for hot water at a sink or shower, more predictable temperatures during busy mornings, and a streamlined setup in smaller spaces. While outcomes depend on your specific plumbing, power availability, and climate of incoming water, the RTEX‑13 offers a scalable option for on‑demand comfort without a storage tank.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Rheem RTEX-13 suitable for point-of-use or multiple fixtures?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It supports point-of-use or small multi‑fixture setups with on‑demand hot water.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What installation considerations should I know?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes 1\/2 NPT adapters and side water connections; requires a 240V circuit and proper plumbing per codes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Rheem","offers":[{"title":"Default Title","offer_id":53089278165103,"sku":"B01NAUZJPE","price":394.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/rheem-rt-ex-13-exterior-digital-thermostat.jpg?v=1778688218","url":"https:\/\/taskholt.com\/products\/rheem-rtex-13-240v-residential-tankless-water-heater-gray","provider":"TaskHolt","version":"1.0","type":"link"}