{"title":"Natural Gas Tankless Water Heaters","description":"\u003cp\u003eEnjoy instant, on-demand hot water with our \u003cstrong\u003eNatural Gas Tankless Water Heaters\u003c\/strong\u003e. Perfect for indoor and outdoor applications, these energy-efficient units deliver stable temperatures for showers, kitchens, and simultaneous use. Compact, reliable, and safe — the ideal solution for homes, apartments, or cabins.\u003c\/p\u003e\n\u003ch2\u003eIndoor vs Outdoor Natural Gas Tankless Water Heaters\u003c\/h2\u003e\n\u003cp\u003eCompare our \u003ca href=\"\/fr\/collections\/indoor-tankless-water-heaters\" title=\"indoor-tankless-water-heaters\"\u003eindoor natural gas tankless water heaters\u003c\/a\u003e and \u003ca href=\"\/fr\/collections\/outdoor-tankless-water-heaters\" title=\"outdoor-tankless-water-heaters\"\u003eoutdoor natural gas tankless water heaters\u003c\/a\u003e to choose the best fit for your home or apartment. Browse the full all collection for your ideal natural gas unit.\u003c\/p\u003e","products":[{"product_id":"natural-gas-tankless-water-heater-5-26gpm-20l-outdoor-instant-hot-natural-gas-water-heater-with-fahrenheit-digital-display-multi-protection","title":"Outdoor Natural Gas Tankless Water Heater 20L (5.26 GPM), Instant Hot Water System for Home Shower \u0026 Bathroom","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\n\u003cp\u003e✔ Maximum Flow Hot Water Performance (5.26 GPM \/ 20L)\u003cbr\u003e✔ Natural Gas Powered – Easy Digital Temperature Adjustment\u003cbr\u003e✔ Ideal for Outdoor Projects, Cabins \u0026amp; High Water Usage Needs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"VELPAX","offers":[{"title":"Default Title","offer_id":47384832246016,"sku":"B0FMF4CMC7","price":439.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/4437\/1968\/files\/B0FMF4CMC7.jpg?v=1765006161"},{"product_id":"propane-tankless-water-heater-4-74gpm-18l-indoor-constant-propane-water-heater-instant-hot-propane-gas-water-heater-with-multi-protection","title":"Natural Gas Tankless Water Heater 4.74GPM 18L Indoor, Constant Temperature, Instant Hot Water","description":"\u003cp\u003e✔ Even \u0026amp; Consistent Hot Water (4.74 GPM \/ 18L)\u003cbr\u003e✔ Natural Gas Powered – Precise Temperature Stability\u003cbr\u003e✔ Ideal for Indoor Living \u0026amp; Comfortable Shower Experience\u003c\/p\u003e","brand":"VELPAX","offers":[{"title":"Default Title","offer_id":47391245402368,"sku":"B0DP9PP34C","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/4437\/1968\/files\/B0DP9PP34C.jpg?v=1765006272"},{"product_id":"natural-gas-tankless-water-heater-4-21gpm-16l-indoor-instant-hot-gas-water-heater-constant-natural-water-heater-with-multi-protection","title":"Natural Gas Tankless Water Heater Indoor 16L 4.21 GPM, Instant Hot Water, Easy Installation","description":"\u003cp\u003e✔ Fast On-Demand Hot Water (4.21 GPM \/ 16L)\u003cbr\u003e✔ Natural Gas Powered – Hassle-Free Installation\u003cbr\u003e✔ Ideal for Indoor Use \u0026amp; Convenient Daily Setup\u003c\/p\u003e","brand":"VELPAX","offers":[{"title":"Default Title","offer_id":47391464882432,"sku":"B0DP9N366D","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/4437\/1968\/files\/B0DP9N366D.jpg?v=1765006359"},{"product_id":"natural-gas-tankless-water-heater-4-21gpm-16l-indoor-instant-hot-natural-gas-water-heater-with-multi-protection","title":"Natural Gas Tankless Water Heater 4.21GPM 16L Indoor, Instant Hot Water, Multi-Protection, White Finish","description":"\u003cp\u003eClean Design, Reliable Performance — Everyday Hot Water Made Simple\u003c\/p\u003e\n\u003cp\u003eUpgrade your home with this 4.21 GPM (16L) Natural Gas Tankless Water Heater, featuring a clean white finish that blends seamlessly into modern interiors. Enjoy instant, continuous hot water with stable performance for daily household use.\u003c\/p\u003e\n\u003cp\u003e✔ Reliable Output for Daily Needs – 4.21 GPM flow rate supports showers, kitchens, and everyday use  \u003cbr\u003e✔ Instant On-Demand Hot Water – No waiting and no running out like traditional tank systems  \u003cbr\u003e✔ Energy Efficient Operation – Heats water only when needed, helping reduce energy costs  \u003cbr\u003e✔ Multi-Protection Safety System – Includes overheat protection, flame failure device, and anti-dry burning protection  \u003cbr\u003e✔ Modern White Design – Clean, minimal look fits perfectly in apartments and indoor spaces  \u003cbr\u003e✔ Compact \u0026amp; Space-Saving – Wall-mounted unit frees up valuable space  \u003cbr\u003e✔ Fast U.S. Shipping – Delivered in 3–5 business days  \u003c\/p\u003e\n\u003cp\u003ePerfect for apartments and small to medium households looking for a reliable, efficient, and visually clean tankless water heating solution.\u003c\/p\u003e\n\u003cp\u003eOrder now and enjoy dependable hot water with a modern, space-saving design.\u003c\/p\u003e","brand":"VELPAX","offers":[{"title":"Default Title","offer_id":47391982977280,"sku":"B0FCLKF6FS","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/4437\/1968\/files\/B0FCLKF6FS.jpg?v=1765006918"},{"product_id":"natural-gas-tankless-water-heater-4-74gpm-18l-indoor-instant-hot-gas-water-heater-constant-natural-water-heater-with-fahrenheit-digital-display-multi-protection","title":"Natural Gas Tankless Water Heater,4.74GPM 18L Indoor,Instant Hot Gas water heater,Constant Natural Water Heater with Multi-Protection","description":"\u003cp\u003e✔ High-Capacity Hot Water Performance (4.74 GPM \/ 18L)\u003cbr\u003e✔ Natural Gas Powered – Stable \u0026amp; Efficient Heating\u003cbr\u003e✔ Ideal for Indoor Homes \u0026amp; Multiple Daily Use\u003c\/p\u003e","brand":"VELPAX","offers":[{"title":"Default Title","offer_id":47403797676288,"sku":"B0FCM478CL","price":285.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/4437\/1968\/files\/B0FCM478CL.jpg?v=1771998414"},{"product_id":"tankless-water-heater-natural-gas-4-74-gpm-18l-indoor-instant-hot-water-heater-with-digital-fahrenheit-display-multi-protection-constant-temperature-for-home-apartment","title":"Tankless Water Heater Natural Gas 4.74 GPM 18L Indoor, Instant Hot Water Heater with Digital Display, Constant Temperature \u0026 Multi-Protection","description":"\u003cp\u003e✔ Powerful Hot Water Output (4.74 GPM \/ 18L)\u003cbr\u003e✔ Natural Gas System – Stable Temperature Control\u003cbr\u003e✔ Ideal for Indoor Homes \u0026amp; Consistent Daily Use\u003c\/p\u003e","brand":"VELPAX","offers":[{"title":"Default Title","offer_id":47406296105216,"sku":"B0FP4B45PX","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/4437\/1968\/files\/B0FP4B45PX.jpg?v=1765013054"},{"product_id":"natural-gas-tankless-water-heater-4-21gpm-16l-indoor-instant-hot-natural-gas-water-heater-with-multi-protection-gray","title":"Natural Gas Tankless Water Heater, 4.21GPM 16L Indoor,Instant Hot Natural Gas Water Heater with Multi-Protection","description":"\u003cp\u003e✔ Endless Hot Water Supply (4.21 GPM \/ 16L)\u003cbr\u003e✔ Natural Gas Powered – Instant On-Demand Heating\u003cbr\u003e✔ Ideal for Indoor Home Use \u0026amp; Daily Shower Needs\u003c\/p\u003e","brand":"VELPAX","offers":[{"title":"Default Title","offer_id":47428329832704,"sku":"B0FCM14B67","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/4437\/1968\/files\/71Rq0b1nTkL._AC_SX679.jpg?v=1780042287"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/4437\/1968\/collections\/Natural.webp?v=1773026074","url":"https:\/\/velpax.com\/fr\/collections\/natural-gas-tankless-water-heaters.oembed","provider":"VELPAX","version":"1.0","type":"link"}