1
This water heater design has been certified by the Canadian
Standards Association for installation in recreation vehicles. This
water heater is not for use in marine applications.
SERVICE CALLS & QUESTIONS
Location and phone numbers of qualified Service Centers can
be found at our website http:/www.askforatwood.com or call
866.869.8116 to locate a Service Center.
SAFETY ALERT SYMBOLS
Safety Symbols alerting you to potential personal safety hazards.
Obey all safety messages following these symbols.
m warning m caution
avoid possible avoid possible
injury or death injury and/or property damage
EngLiSH - FranÇaiS
Effective 07.09.13
literature number
L.P. GAS
ON DEMAND
WATER HEATER
Models
OD50, OD50CW
m warning
• If the information in this manual is not followed
exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
– Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Evacuate ALL persons from vehicle.
• Shut off gas supply at gas container or source.
• DO NOT touch any electrical switch, or use any phone
or radio in vehicle.
• DO NOT start vehicle’s engine or electric generator.
• Contact nearest gas supplier or qualified Service
Technician for repairs.
• If you cannot reach a gas supplier or qualified Service
Technician, contact the nearest fire department.
• DO NOT turn on gas supply until gas leak(s) has been
repaired.
– Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
Explanation of Model Number:
OD_____________________ On Demand
50________________ Input in 1000’s Btu
01__________ Generation
CW______ Cold Weather Kit
m criticaL inStaLLation warningS
• Installinrecreationvehiclesonly.RV’sarerecreationvehicles
designedastemporarylivingquartersforrecreation,camping,
ortravelusehavingtheirownpowerortowedbyanothervehicle.
• AllcombustionairmustbesuppliedfromoutsidetheRV,andall
productsofcombustionmustbeventedtooutsidetheRV.
• DONOTventwaterheaterwithventingsystemservinganother
appliance.
• DONOTventwaterheatertoanoutsideenclosedporcharea.
• Protectbuildingmaterialsfromuegasexhaust.
• Installwaterheateronanexteriorwall,withaccessdooropeningto
outdoors.
• DONOTmodifywaterheaterinanyway.
• DONOTalterwaterheaterforapositivegroundingsystem.
• DONOTHI-POTwaterheaterunlesselectronicignitionsystem
(circuitboard)hasbeendisconnected.
• DONOTusebatterychargertosupplypowertowaterheatereven
whentesting.
Do not install close to opening door or under room slide-out where
the vent or inlet louvers can be obstructed.
USA and Canada – Follow all applicable state and local codes. In the
absence of local codes or regulations, refer to the current standards
of:
— Local codes or, in the absence of local codes, the National Fuel Gas
Code, ANSI Z223.1/NFPA 54 and/or CSA B149.1, Natural Gas and
Propane Installation Code.
— Local codes or, in the absence of local codes, the Standard on
Recreational Vehicles, NFPA1192 and/or CAN/CSA-Z240 RV.
CUTOUT Requirements
OEM and Aftermarket – Unit can be installed in Atwood, Suburban and Girard
openings. Unit can also be installed through the wall from exterior, or prior to
erecting wall into place at OEM manufacturing facility.
Atwood 6 Gallon Opening 12.7 H x 16.25 W x 17.62 D
Suburban 6 Gallon Opening 12.7 H x 12.7 W x 19.2 D
Atwood 10 Gallon Opening* 15.75 H x 16.2 W x 20.6 D
Suburban 10 Gallon Opening* 16.2 H x 16.2 W x 20.5 D
*Door/Adapter Kit Required
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