Instruction Manual for Residential Manufactured Home Gas Water Heaters FOR USE ONLY IN MANUFACTURED HOMES GAMA certification applies to all residential gas water heaters with capacities of 20 to 100 gallons with input rating of 75,000 BTU/Hr. or less. ALL TECHNICAL AND WARRANTY QUESTIONS: SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED. IF YOU ARE UNSUCCESSFUL, PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER. AN ODORANT IS ADDED TO THE GAS For Your Safety USED BY THIS WATER HEATER WARNING WARNING: If the information in these Improper installation, adjustment, alteration, instructions are not followed exactly, a fire service or maintenance can cause DEATH, or explosion may result, causing property SERIOUS BODILY INJURY, OR PROPERTY damage, personal injury or death. DAMAGE. Refer to this manual for assistance or consult the local gas utility for further –Do not store or use gasoline or other information. flammable vapors and liquids in the vicinity of this or any other appliance. –WHAT TO DO IF YOU SMELL GAS WARNING • Do not try to light any appliance. Flammable vapors may be drawn by air cur- • Do not touch any electrical switch; do rents from other areas of the structure to this not use any phone in your building. appliance. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas suppli- er’s instructions. • If you cannot reach your gas supplier, call WARNING the fire department. READ THE GENERAL SAFETY SECTION –Installation and service must be performed BEGINNING ON INSIDE COVER AND THEN by a qualified installer, service agency or THIS ENTIRE MANUAL BEFORE INSTALLING the gas supplier. OR OPERATING THIS WATER HEATER. Save this Manual for Future Reference. 184123-000 03-03 General Safety WARNING WARNING Improper installation, adjustment, alteration, service or This water heater has been factory equipped to operate with maintenance can cause DEATH, SERIOUS BODILY INJURY, the type gas indicated in the “EQUIPPED FOR” area of the rat- OR PROPERTY DAMAGE. Refer to this manual for assis- ing plate located near the gas control valve. The indicated gas tance or call the manufacturer whose name appears on the may be either Natural or Propane (L.P.). By following the con- rating plate for further information. version instructions in this manual or the instructions near the gas control valve, the water heater must be converted if it is to WARNING be used with the opposite gas. DO NOT USE THIS WATER At the time of manufacture this water heater was provided with HEATER WITH ANY GAS OTHER THAN THE ONE LISTED ON a combination temperature-pressure relief valve certified by a THE MODEL RATING PLATE. Failure to use the correct gas can nationally recognized testing laboratory that maintains periodic cause problems which can result in DEATH, SERIOUS BODILY inspection of production of listed equipment or materials, as INJURY, OR PROPERTY DAMAGE. If you have any questions or meeting the requirements for Relief Valves and Automatic Gas doubts consult your gas supplier or gas company. Shutoff Devices for Hot Water Supply Systems, and the current edition of ANSI Z21.22 and the code requirements of ASME. If WARNING replaced, the valve must meet the requirements of local codes, A fire can start if combustible materials such as clothing, cleaning but not less than a combination temperature and pressure relief materials, or flammable liquids are placed against or next to the valve certified as meeting the requirements for Relief Valves water heater. and Automatic Gas Shutoff Devices for Hot Water Supply WARNING Systems, ANSI Z21.22 by a nationally recognized testing labo- INSTALLATIONS IN AREAS WHERE FLAMMABLE LIQUIDS ratory that maintains periodic inspection of production of listed (VAPORS) ARE LIKELY TO BE PRESENT OR STORED (GARAGES, equipment or materials. STORAGE, AND UTILITY AREAS, ETC): Flammable liquids (such The valve must be marked with a maximum set pressure not to as gasoline, solvents, propane (LP) or butane, etc.), all of which exceed the marked hydrostatic working pressure of the water emit flammable vapors, may be improperly stored or used in such heater (150 lbs. p.s.i.) and a discharge capacity not less than areas. The gas water heater pilot light or main burner can ignite the water heater input rate as shown on the model rating such vapors. The resulting flashback and fire can cause death or plate. (Electric heaters - watts divided by 1000 x 3412 equal serious burns to anyone in the area, as well as property damage. BTU/Hr. rate.) If installation in such areas is your only option, then the installa- Your local jurisdictional authority, while mandating the use of a tion must be accomplished in a way that the pilot flame and main temperature-pressure relief valve complying with ANSI Z21.22 burner flame are elevated from the floor at least 18 inches. While and ASME, may require a valve model different from the one this may reduce the chances of flammable vapors from a floor spill furnished with the water heater. being ignited, gasoline and other flammable substances should Compliance with such local requirements must be satisfied by never be stored or used in the same room or area containing a gas the installer or end user of the water heater with a locally pre- water heater or other open flame or spark producing appliance. scribed temperature-pressure relief valve installed in the desig- NOTE: Flammable vapors may be drawn by air currents from nated opening in the water heater in place of the factory fur- other areas of the structure to the appliance. nished valve. For safe operation of the water heater, the relief valve must not WARNING be removed from it’s designated opening or plugged. HOTTER WATER CAN SCALD: Water heaters are intended to pro- The temperature-pressure relief valve must be installed directly duce hot water. Water heated to a temperature which will satisfy into the fitting of the water heater designated for the relief clothes washing, dish washing, and other sanitizing needs can valve. Position the valve downward and provide tubing so that scald and permanently injure you upon contact. Some people are any discharge will exit only within 6 inches above, or at any more likely to be permanently injured by hot water than others. distance below the structural floor. Be certain that no contact is These include the elderly, children, the infirm, or physically/men- made with any live electrical part. The discharge opening must tally handicapped. If anyone using hot water in your home fits not be blocked or reduced in size under any circumstances. into one of these groups or if there is a local code or state law Excessive length, over 30 feet, or use of more than four elbows requiring a certain temperature water at the hot water tap, then can cause restriction and reduce the discharge capacity of the you must take special precautions. In addition to using the lowest valve. possible temperature setting that satisfies your hot water needs, No valve or other obstruction is to be placed between the some type of tempering device, such as a mixing valve, should be relief valve and the tank. Do not connect tubing directly to dis- used at the hot water taps used by these people or at the water charge drain unless a 6″ air gap is provided. To prevent bodily heater. Mixing valves are available at plumbing supply or hard- injury, hazard to life, or property damage, the relief valve must ware stores. Follow manufacturers instructions for installation of be allowed to discharge water in quantities should circum- the valves. Before changing the factory setting on the thermostat, stances demand. If the discharge pipe is not connected to a read the “Temperature Regulation” section in this manual. drain or other suitable means, the water flow may cause prop- WARNING erty damage. BEFORE LIGHTING [PROPANE (L.P.) GAS WATER HEATERS]: The Discharge Pipe: Propane (L.P.) gas is heavier than air. Should there be a leak in the —Must not be smaller in size than the outlet pipe size of the system, the gas will settle near the ground. Basements, crawl spaces, valve, or have any reducing couplings or other restrictions. skirted areas under manufactured homes (even when ventilated), —Must not be plugged or blocked. closets and areas below ground level will serve as pockets for the —Must be of material listed for hot water distribution. accumulation of this gas. Before attempting to light or relight the —Must be installed so as to allow complete drainage of both water heater’s pilot or turning on a nearby electrical light switch, be the temperature-pressure relief valve, and the discharge pipe. absolutely sure there is no accumulated gas in the area. Search for —Must terminate at an adequate drain. odor of gas by sniffing at ground level in the vicinity of the appli- —Must not have any valve between the relief valve and tank. ance. If odor is detected, follow steps indicated at “For Your Safety” 2 on the cover page of this manual then leave the premises. General Safety (cont’d) WARNING WARNING This water heater must not be installed directly on carpeting. Obstructed or deteriorated vent systems may present a serious Carpeting must be protected by a metal or wood panel beneath health risk or asphyxiation. the appliance extending beyond the full width and depth of the appliance by at least 3 inches (76.2mm) in any direction, or if the WARNING appliance is installed in an alcove or closet, the entire floor must Chemical vapor corrosion of the flue and vent system may occur if be covered by the panel.