1www.maytagwaterheaters.comFOR POTABLE WATER HEATING ONLYNOT SUITABLE FOR SPACE HEATINGNOT FOR USE INMANUFACTURED (MOBILE) HOMESModel NumbersFor Your
10Facts to Consider About the LocationCarefully choose an indoor location for the new water heater,because the placement is a very important considera
11Minimum clearances between the water heater andcombustible construction are 0 inch at the sides and rear, 4inches (102 mm) at the front, and 6 inche
12Combustion Air and Ventilation forAppliances Located in Unconfined SpacesUNCONFINED SPACE is space whose volume is not less than50 cubic feet per 1,
13 FIGURE 14.• Louvers and Grilles: In calculating free area, considerationshall be given to the blocking effect of louvers, grilles orscre
14NOTE: To protect against untimely corrosion of hot and coldwater fittings, it is strongly recommended that di-electricunions or couplings be install
15The valve must be marked with a maximum set pressure not toexceed the marked hydrostatic working pressure of the waterheater (150 psi = 1,035 kPa) a
16• Open the cold water supply valve to the water heater.NOTE: The cold water supply valve must be left open whenthe water heater is in use.• To insur
17There must be a minimum of 6 inches (153 mm) clearancebetween single wall vent pipe and any combustible material.Fill and seal any clearance between
Use pipe joint compound or teflon tape marked as beingresistant to the action of petroleum (Propane [L.P.]) gases.The appliance and its gas connection
FOR YOUR SAFETY READ BEFORE LIGHTINGWARNING: If you do not follow these instructions exactly, a fire orexplosion may result causing property damage, p
2SAFE INSTALLATION, USE AND SERVICEYour safety and the safety of others is extremely important in the installation, use and servicing of this water he
20Valves for reducing the point-of-use temperature by mixing coldand hot water are available. See Figure 8. Also available areinexpensive devices tha
21Tank (Sediment) CleaningSediment build-up on the tank bottom may create varyingamount of noise, if left in the tank will cause permanent tankfailure
22The burner needs to be removed for cleaning. Call MaytagCustomer Service at 1-800-788-8899 for an authorizedservicer to remove and clean the burner
23• Remove the washer and put the new one in place.• Screw the handle and cap assembly back into the drainvalve and retighten using a wrench. DO NOT O
24Excessive condensation may be noticed during the winter andearly spring months when incoming water temperatures are attheir lowest.Good venting is e
25High Temperature Shut Off SystemThis water heater is equipped with an automatic gas Shut-offsystem. This system works when high water temperaturesa
26These guidelines should be used by a qualified Maytag Customer Service Center Agent. Call the Maytag Customer Service Center at1-800-788-8899 for as
27 * Not Shown. ** Includes Inner Door Gasket. KeyModel Numbers No. Part Description HR630YORT HR630HORT HR640YBRS HR640HBRS HR640YBRT HR640HBRT1 Ai
28MAYTAG GAS WATER HEATERSREPAIR PARTS LISTBURNER ASSEMBLYMODEL NO’SHR640YORT 40 Gallon Natural GasHR640HORT 40 Gallon Propane Gas (L.P.)HR640YOCT 40
29MAYTAG GAS WATER HEATERSREPAIR PARTS LISTBURNER ASSEMBLYNow that you have purchased this gas water heater, should a needever exist for repair parts
3SAFETY PRECAUTIONS
30 Key Model Numbers No. Part Description HR650YRRT HR650HRRT HR650YRRT5 HR650HRRT51 Air Intake Screen 66001503 66001503 66001503 660015032 Anode Rod
31REPAIR PARTS LISTMAYTAG/STATE PART NUMBER CONVERSION KEYMAYTAG STATE MAYTAG STATE MAYTAG STATE66001016 900240266001021 900158466001079 9000071660011
32FULL ONE YEAR WARRANTYFor one year from the date of original retail purchase, any part which fails in normal home use will be repairedor replaced fr
4TABLE OF CONTENTSSAFE INSTALLATION, USE AND SERVICE ...
5TANK RECOVERY MINIMUM DIMENSIONSCAPACITY TYPE RATE GALS. VENT PIPE DIAMETER IN INCHES (mm)IN GALS OF BTU PER HOUR INCHES INCHES HEIGHT TOP OF*MODEL
6ACCESSORIES AND TOOLS NEEDEDAccessoriesTo simplify the installation Maytag has available the installation parts shown below. You may or may not need
7INSTRUCTIONS FOR INSTALLATION1. Turn “OFF” the gas supply to thewater heater.If the main gas line shut-off valveserving all gas appliances isused, a
8TYPICAL INSTALLATIONGET TO KNOW YOUR WATER HEATER - GAS MODELSA Vent PipeB Draft HoodC AnodeD Hot Water OutletE OutletF Water ConnectionsG Gas Supply
9FIGURE 8.MIXING VALVE USAGEThis appliance has been design certified as complying withAmerican National Standard/CSA Standard for water heatersand is
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