Bradford White 238-37281-00R Installation And Operating Instruction Manual

Bradford white gas water heater instruction manualmodel 238-37281-00r

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GAS WATER HEATER
A Spanish language version of these instructions is available by
contacting the company listed on the rating plate.
La versión espãnola de estas instrucciones se puede obtener al
escribirle a la fábrica cuyo nombre aparece en la placa de
especificaciones.
MANUFACTURED HOME (MOBILE HOME)
CLOSED COMBUSTION (DIRECT VENTING)
INSTALLATION AND OPERATING
INSTRUCTION MANUAL
WARNING: If the information in these instructions is
not followed exactly, a fire or explosion may result
causing property damage, personal injury or death.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable,
combustible, or corrosive vapors and liquids in the
vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch; do not use any
phone in your building.
Immediately call your gas supplier from a neighbor's
phone. Follow the gas supplier's instructions.
If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
For your family's comfort, safety and convenience we
recommend water heaters be installed and serviced by a
plumbing professional.
238-37281-00R REV 05/07

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Summary of Contents for Bradford White 238-37281-00R

  • Page 1 If you cannot reach your gas supplier, call the fire department. Installation and service must be performed by a qualified installer, service agency or the gas supplier. For your family’s comfort, safety and convenience we recommend water heaters be installed and serviced by a plumbing professional. 238-37281-00R REV 05/07...
  • Page 2 For your records we recommend that you write the model, serial number and installation date of your water heater in the maintenance section in the back of this manual. This manual should be kept with the water heater.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS GENERAL INFORMATION... INSTALLATION ... Locating The Water Heater ... Minimum Clearances... Combustion Air Supply... Venting ... Water Connections... Gas Connections ... Gas Conversion Instructions ... GENERAL OPERATION... Lighting and Shutdown Instructions ... Thermostat Adjustment ... Burner Flame Check...
  • Page 4: General Information

    Standard For Mobile Homes (ANSI/NFPA NO. 501-B1977). The warranty for this water heater is in effect only when the water heater is installed, adjusted, and operated in accordance with these Installation and Operating Instructions.
  • Page 5: Installation

    Water heaters are heat producing appliances. To avoid damage or injury there must be no materials stored against the water heater or vent-air intake system and proper care must be taken to avoid unnecessary contact (especially by children) with the water heater and vent-air intake components.
  • Page 6 Installation (Locating The Water Heater) continued- Water heater corrosion and component failure can be caused by the heating and breakdown of airborne chemical vapors. Examples of some typical compounds that are potentially corrosive are: spray can propellants, cleaning solvents, refrigerator and air conditioning refrigerants, swimming pool chemicals, calcium and sodium chloride, waxes and process chemicals.
  • Page 7: Minimum Clearances

    When such locations cannot be avoided, a suitable drain pan must be installed under the water heater.
  • Page 8: Combustion Air Supply

    AIR INTAKE INSTALLATION - 3” (7.6cm) diameter telescoping air intake and leg enclosure are required to supply fresh air to the water heater for combustion (kit P/N 239-37025-01 for 30 gallon (113.5L) water heaters and 239-37025-02 for 40 gallon (151.4L) water heaters.
  • Page 9: Venting

    Combustion air supply continued- 1. After selecting the proper location for the water heater, cut a 4” (10.2cm) diameter hole through the floor and all other layers of flooring and sheathing directly beneath the front center of the water heater.
  • Page 10: Water Connections

    The COLD water inlet and HOT water outlet are identified on the top of the water heater. The fittings at the cold water inlet and hot water outlet are dielectric waterway fittings with 3/4” NPT male thread. Make the proper plumbing connections between the water heater and the plumbing system to the house.
  • Page 11 Water connections continued- If this water heater is installed in a closed water supply system, such as the one having a back-flow preventer in the cold water supply, provisions shall be made to control thermal expansion. DO NOT operate this water heater in a closed system without provisions for controlling thermal expansion.
  • Page 12 ASSE approved mixing valve in the water system. This valve will reduce point of discharge temperature by mixing cold and hot water in branch supply lines. Such valves are available from the manufacturer of this water heater or a local plumbing supplier. Please consult with a plumbing professional.
  • Page 13: Gas Connections

    1/2 psi (3.5 kPa). The water heater must be isolated from the gas supply piping system by closing its manual shutoff valve during any pressure testing of the gas supply system at test pressures equal to or less than 1/2 psi (3.5 kPa).
  • Page 14: Gas Conversion Instructions

    (LP) gas but may be converted by following these gas conversion instructions. Caution: Make sure gas to be supplied to this water heater following the conversion matches the gas being converted to. CAUTION All gas conversions must be performed by qualified service personnel only.
  • Page 15 8. Close and/or replace inner and outer doors. 9. To light pilot, follow the lighting instructions provided on the water heater and in this installation and operation instruction manual. 10. Remove “equipped for” card from cloth bag and attach to gas piping as close to gas control as possible.
  • Page 16: General Operation

    3. Open several hot water faucets to allow air to escape from the system. 4. When a steady stream of water flows from the faucets, the water heater is filled. Close the faucets and check for water leaks at the water heater drain valve, combination temperature and pressure relief valve and the hot and cold water connections.
  • Page 17: Lighting And Shutdown Instructions

    General Operation continued- TO DRAIN THE WATER HEATER Should it become necessary to completely drain the water heater, make sure you follow the steps below: Rotate the thermostat dial to the lowest position. Rotate and partially depress gas control knob clockwise Shut off the gas supply to the water heater.
  • Page 18: Thermostat Adjustment

    Thermostat Adjustment Figure 5 The thermostat dial is set to its lowest temperature setting when shipped from the factory. Remember that lower temperature settings are more energy efficient. Adjust the temperature by turning the thermostat dial. It is suggested that the starting point setting not be greater than the ”...
  • Page 19: Burner Flame Check

    The water heater should be inspected at a minimum annually by a qualified service technician for damaged components and/or joints not sealed. DO NOT operate this water heater if any part is found damaged or if any joint is found not sealed. The following maintenance should be performed by a qualified service technician at the minimum periodic intervals suggested below.
  • Page 20 WARNING The ventilation air system may be HOT. 3. At all times keep the water heater area clear and free from combustible materials, gasoline and other flammable vapors and liquids. 4. Bi-annually conduct a visual check of the main and pilot burner flames to determine that they are burning properly.
  • Page 21 Maintenance Continued- 10. Who installed the water heater or the manufacturer listed on the rating plate for anode replacement information. The use of a water softener may increase the speed of consumption. More frequent inspection of the anode is needed when using softened (or phosphate treated) water.
  • Page 22: Typical Installation

    TYPICAL INSTALLATION...
  • Page 23: Parts List

    GAS FIRED MANUFACTURED HOME (MOBILE HOME) PARTS LIST PART NAME & DESCRIPTION 1. Gas Conversion Kit 12. Inner Door 13. Thermostat w/ECO (Convertible- 2. Jacket Top Nat. or L.P. Gas) 3. Fiberglass Insulation 14. Pilot Assembly 4. Glass Lined Tank 15.
  • Page 24: Burner Assembly Drawing

    STEEL BURNER ASSEMBLY NOTE: part description, part number, model and serial number and gas type must be specified when ordering service parts ITEM NO. PART DESCRIPTION Pilot Assembly Gas Feedline (Main Burner) * Orifice (Main Burner) Steel Burner...

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