{"product_id":"suburban-nautilus-5186a-iw60-water-heater-on-demand-tankless-60k-btu","title":"Suburban Nautilus IW60 Tankless RV Water Heater | 60K BTU | 5186A","description":"\u003cp\u003eEnjoy endless hot water in your RV with the \u003cstrong\u003eSuburban Nautilus IW60 On-Demand Tankless Water Heater (References 5186A)\u003c\/strong\u003e. 60,000 BTU two-stage self-modulating combustion system, integrated freeze protection, and 3-try Direct Spark Ignition — the tankless system that delivers infinite hot water simultaneously from every fixture.\u003c\/p\u003e\n\n\u003ch3\u003eEndless Hot Water — From Every Fixture\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e60,000 BTU\u003c\/strong\u003e two-stage self-modulating combustion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuous hot water\u003c\/strong\u003e — no reheat waits, no capacity limits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimultaneous fixture use\u003c\/strong\u003e — shower, dishes, and laundry at the same time\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnly operates on demand\u003c\/strong\u003e — improved efficiency vs tank designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModulating Combustion System (MCS)\u003c\/h3\u003e\n\u003cp\u003eThe exclusive Nautilus MCS monitors:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eInlet water temperature and water flow\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eOutput water temperature\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eHeat exchanger performance\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBurner operation\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe system \u003cstrong\u003einstantaneously adjusts LP gas input\u003c\/strong\u003e for consistent, endless temperature output regardless of variations in flow or demand.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt-In Freeze Protection\u003c\/h3\u003e\n\u003cp\u003eIntegrated freeze protection mechanism helps prevent damage in cold weather.\u003c\/p\u003e\n\n\u003ch3\u003e3-Try Direct Spark Ignition\u003c\/h3\u003e\n\u003cp\u003eState-of-the-art \u003cstrong\u003e3-Try Direct Spark Ignition\u003c\/strong\u003e for safe and reliable startup.\u003c\/p\u003e\n\n\u003ch3\u003eLightweight — Just 36 lbs Installed\u003c\/h3\u003e\n\u003cp\u003eWeight reduction advantage vs conventional tank water heaters — meaningful for weight-conscious RV builds.\u003c\/p\u003e\n\n\u003ch3\u003eLong-Life Construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003ePorcelain-lined steel tank\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnode rod\u003c\/strong\u003e to absorb corrosive electrolytical action\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTank pressure-tested twice\u003c\/strong\u003e for integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e(1) Suburban Nautilus IW60 water heater\u003c\/li\u003e\n  \u003cli\u003eStandard Suburban wall switch (\u003cstrong\u003e#234589\u003c\/strong\u003e) — no additional cost\u003c\/li\u003e\n  \u003cli\u003e261618 Vent Cap \/ 2-3\" Exhaust Tube Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOptional Premium Upgrade — Digital Control Center\u003c\/h3\u003e\n\u003cp\u003eInstead of the included standard 234589 wall switch, you can optionally upgrade to the \u003cstrong\u003eSuburban 162292 control center\u003c\/strong\u003e (successor to 161252) — a digital display \/ control premium option. NOT required — the included 234589 switch is fully functional. Available as an add-on if you'd like the premium digital control experience.\u003c\/p\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e20\" D × 12.5\" W × 12.5\" H\u003c\/strong\u003e, 36 lbs installed.\u003c\/p\u003e\n\n\u003ch3\u003e⚠️ Professional Installation Required\u003c\/h3\u003e\n\u003cp\u003eInvolves propane gas, 12V DC electrical, water plumbing, and vent routing. Installation should be performed by a \u003cstrong\u003equalified RV service technician\u003c\/strong\u003e. Always leak-test gas connections after installation.\u003c\/p\u003e\n\n\u003ch3\u003e2-Year Suburban Manufacturer Warranty\u003c\/h3\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine Suburban Nautilus IW60\u003c\/strong\u003e tankless RV water heater\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e60,000 BTU\u003c\/strong\u003e two-stage self-modulating combustion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEndless hot water\u003c\/strong\u003e — simultaneous fixture support\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMCS system\u003c\/strong\u003e — monitors and adjusts for consistent temperature\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBuilt-in freeze protection\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e3-Try Direct Spark Ignition\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePorcelain-lined steel tank\u003c\/strong\u003e with anode rod\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble pressure-tested\u003c\/strong\u003e tank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight:\u003c\/strong\u003e 36 lbs installed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Water heater, Suburban 234589 wall switch, 261618 vent cap\/exhaust tube assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptional premium upgrade:\u003c\/strong\u003e Suburban 162292 digital control center (successor to 161252) — not required\u003c\/li\u003e\n  \u003cli\u003eBacked by 2-year Suburban manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: Suburban\u003c\/li\u003e\n  \u003cli\u003eModel: Nautilus IW60\u003c\/li\u003e\n  \u003cli\u003eCross-Reference: 5186A\u003c\/li\u003e\n  \u003cli\u003eType: On-Demand Tankless RV Water Heater\u003c\/li\u003e\n  \u003cli\u003eHeat Output: 60,000 BTU\u003c\/li\u003e\n  \u003cli\u003eFuel: LP (Propane)\u003c\/li\u003e\n  \u003cli\u003eCombustion: Two-stage self-modulating (MCS)\u003c\/li\u003e\n  \u003cli\u003eIgnition: Pilot and 3-Try Direct Spark Ignition (DSI)\u003c\/li\u003e\n  \u003cli\u003eFreeze Protection: Built-in\u003c\/li\u003e\n  \u003cli\u003eTank: Porcelain-lined steel with anode rod (pressure-tested twice)\u003c\/li\u003e\n  \u003cli\u003eWeight (installed): 36 lbs\u003c\/li\u003e\n  \u003cli\u003eDimensions: 20\" D × 12.5\" W × 12.5\" H\u003c\/li\u003e\n  \u003cli\u003eIncludes: Water heater, Suburban 234589 wall switch, 261618 vent cap\/exhaust tube assembly\u003c\/li\u003e\n  \u003cli\u003eOptional Premium Add-On: Suburban 162292 digital control center (successor to 161252)\u003c\/li\u003e\n  \u003cli\u003eWarranty: 2-year Suburban manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Suburban","offers":[{"title":"Default Title","offer_id":47267484696879,"sku":"","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/7663\/0063\/files\/09-0107-2.jpg?v=1695230886","url":"https:\/\/thervsurplus.com\/products\/suburban-nautilus-5186a-iw60-water-heater-on-demand-tankless-60k-btu","provider":"The RV Surplus","version":"1.0","type":"link"}