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Suburban Nautilus IW60 On Demand Water Heater (5286A)

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MSRP: $911.79
(You save $251.80 )
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36.00 LBS
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Product Overview

Suburban Nautilus IW60 On Demand Water Heater (5286A) 

Superseded from 620015

Enjoy endless hot water with Suburban’s NAUTILUS On Demand RV Water Heater. Say “good-bye” to waiting for water to reheat in a conventional tank. Showers and baths are best enjoyed slowly, so LIVE FREE from the restraints of limited hot water supplies. Dishes and even the laundry can be done with an infinite supply of hot water whenever and wherever, simultaneously from every fixture. With no storage tank to heat water, the NAUTILUS On Demand RV Water Heater reduces weight and increases efficiency by only operating when the need for hot water arises. Weighing just 36 Pounds with the vent assembly, the NAUTILUS On Demand RV Water Heater comes standard with a freeze protection mechanism and state-of-the-art 3-Try Direct Spark Ignition for safe and reliable operation.

The best water heaters on the road today, Suburban's line of water heaters includes high recovery gas, gas-electric and motor aid models with sizes and features to match the requirements of almost any RV.
PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit
TypeLP Gas
Ignition Type: Pilot and Direct Spark Ignition
BTU Level60000 BTU
Depth (IN)20 Inch
Width (IN)12-1/2 Inch
Height (IN)12-1/2 Inch
If replacing a Suburban water heater with the IW60, these parts will be required
imageserver-33766.1593286363.1280.1280.jpg  imageserver-33766.1593286363.1280.1280.jpg 
         Suburban 6 Gallon Door                Suburban 10 Gallon Door
For replacing an Atwood model, these parts will be required
             522147-nautilus-atwood-access-panel-pw-6-gal.png                           522150-nautilus-atwood-access-panel-pw-10-gal.png
          Atwood 6 Gallon Door                   Atwood 10 Gallon Door
                                        Vents based on wall thickness
            0-1" Wall Thickness                         1-2" Wall Thickness  
                                        2-3" Wall Thickness
Suburban Advantage Tankless, Continuous Water Heater - developed with INDUSTRY-BEST:
  • Microprocessor controlled self-modulating operation from 15,000-60,000 Btu/h
  • Precise temperature control from 95-130°F with on demand control center
  • Two built-in Freeze Protection features:
    • Powered (both gas and electric supply required)*
    • Non-powered mechanical valve**
  • Unmatched installation flexibility
  • Small vent cap only to maximize RV skin surface area
  • Optional access panels
  • 90° Vent kit to install the unit lengthwise

* Active (powered): unit recognizes incoming water temperature at 40° F, turns on and cycles to keep water above 40° F.
** Passive (non-powered): thermally sensitive freeze protection valve opens at 34° F, draining water from the system


  • Exclusive 60,000 BTU Two-Stage Self Modulating Combustion System
  • Built-In Freeze Protection
  • The Exclusive 2-Stage Modulating Combustion System (M.C.S) Monitors: Inlet Water Temperature And Water Flow, Output Water Temperature, Heat Exchanger And Burner Operation
  • 2-Stage Modulating Combustion System (MCS) Which Instantaneously Adjusts The LP Gas Input To Provide Consistent And Endless Comfort Regardless Of Your Hot Water Needs
  • Only 36 Pounds Installed
  • Heated Water Attacks All Metals, But Not Porcelain
  • Porcelain-Lined Steel Tank For Long Life
  • Anode Rod To "Absorb" The Electrolytical Action
  • Every Tank Is Pressure Tested Twice During The Manufacturing Process To Ensure Its Integrity
  • 2-Stage Modulating Combustion System Monitors (MCS)
  • Limited 2 Year Warranty



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  • 5
    Suburban I60

    Posted by Ken McKendry on Jan 6th 2023

    Easy to install. Great product. With old hot water tank I would run out of hot water in shower, now I have endless hot water. No more waiting for water to heat up In tank. widget logo