Bradford White 238-37281-00R Beilage

238-37281-00R REV 05/07

GAS WATER HEATER

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.

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.

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.

CONGRATULATIONS!

You have just purchased one of the finest water heaters

on the market today!

This installation, operation and instruction manual will

explain in detail the installation and maintenance of your

new Direct Vent Gas Water Heater. We strongly

recommend that you contact a plumbing professional for

the installation of this water heater.

We require that you carefully read this manual, as well as

the enclosed warranty, and refer to it when questions

arise. If you have any specific questions concerning

your warranty, please consult the plumbing professional

from whom your water heater was purchased. 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.

TABLE OF CONTENTS

Page

GENERAL INFORMATION............................................................ 4

INSTALLATION............................................................................. 5

Locating The Water Heater.................................................... 5

Minimum Clearances.............................................................. 7

Combustion Air Supply.......................................................... 8

Venting .................................................................................... 9

Water Connections................................................................. 10

Gas Connections.................................................................... 13

Gas Conversion Instructions ................................................ 14

GENERAL OPERATION................................................................ 16

Lighting and Shutdown Instructions.................................... 17

Thermostat Adjustment ......................................................... 18

Burner Flame Check............................................................... 19

MAINTENANCE............................................................................. 19

TYPICAL INSTALLATION............................................................. 22

PARTS LIST................................................................................... 23

BURNER ASSEMBLY DRAWING................................................. 24

GENERAL INFORMATION

This water heater must be installed in accordance with The Federal

Manufactured Home Construction And Safety Standard (H.U.D. Title 24, Part

3280.707d2) or CAN/CSA Z240 MH series, mobile home. In the absence of

such a standard, the water heater should be installed in accordance with the

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. The manufacturer will not be liable for any damage

resulting from alteration and/or failure to comply with these instructions.

This water heater is of the closed combustion type (direct venting) where all the

combustion air is supplied from the outdoors through the air intake and all

combusted gas products are vented directly to the outside by means of the roof

jack. No draft diverter (vent hood) is required for this water heater.

Underwriters Laboratories, Inc. has tested a representative sample of this water

heater design for its safety of operation. The UL listing of this water heater

includes the field installation of the following components: roof jack, air intake

tube, and heater tie down materials. These components for field installation

may have been shipped with this heater and must be installed according to

these instructions (see figure 1). No other components are approved for use

with this water heater.

This water heater has been designed and certified for the purpose of heating

potable water. The installation and use of this water heater for any purpose

other than the heating of potable water may cause damage to the water heater,

create a hazardous condition, and nullify the warranty.

Do not use this appliance if any part has been submerged in water. You should

contact the plumbing professional who installed the water heater to inspect the

appliance and to replace any part of the control system including the

combination gas control which has been submerged in water.

CAUTION

Incorrect operation of this appliance may create a hazard to life and

property and will nullify the warranty.

IMPORTANT

Before proceeding, please inspect the water heater and components for

possible damage. DO NOT install any damaged components. If damage

is evident then please contact the supplier where the water heater was

purchased or the manufacturer listed on the rating plate for replacement

parts.

General Information continued-

This water heater has been manufactured for operation at altitudes from sea

level to 2000 feet (610m) (unless otherwise specified on the water heater).

For use of this appliance at an elevation greater than 2000 feet (610m), contact

the dealer or manufacturer listed on the rating plate for information on any

necessary modification. Uncorrected operation of this appliance may create a

hazard to life and property.

Make sure to check the rating plate and combination gas control on the water

heater to be certain that the type of gas being supplied corresponds with the

marking on the rating plate and combination gas control.

A sacrificial anode is used to extend tank life. The removal of this anode, for

any reason, will nullify the warranty. In areas where water is unusually active,

an odor may occur at the hot water faucet due to a reaction between the

sacrificial anode and the impurities in the water. If this should happen, an

alternative anode may be purchased from the supplier that installed this water

heater. This will minimize the odor while protecting the tank. Additionally, the

water heater should be flushed with appropriate dissolvers to eliminate any

bacteria.

INSTALLATION

Locating the Water Heater

This water heater MUST NOT be installed in any location where gasoline or

flammable vapors are likely to be present, unless the installation is such to

eliminate the probable ignition of gasoline or flammable vapors.

The location of this water heater is of the utmost importance. Before installing

this water heater, read the Installation section of these instructions. DO NOT

locate the water heater where water lines could be subjected to freezing

temperatures. Make sure the cold water pipes are not located directly

above the gas control so that condensate during humid weather does not

drip on the controls.

Do not store or use gasoline or other flammable, combustible, or

corrosive vapors and liquids in the vicinity of this or any other

appliance.

DANGER

WARNING

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. UNDER NO CIRCUMSTANCES MAY

FLAMMABLE MATERIALS, SUCH AS GASOLINE OR PAINT THINNER BE

USED OR STORED IN THE VICINITY OF THIS WATER HEATER, VENT-AIR

INTAKE SYSTEM OR IN ANY LOCATION FROM WHICH FUMES COULD

REACH THE WATER HEATER OR VENT-AIR INTAKE SYSTEM.

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. These

materials are corrosive at very low concentration levels with little or no odor to

reveal their presence. NOTE: DAMAGE TO THE WATER HEATER CAUSED

BY EXPOSURE TO CORROSIVE VAPORS IS NOT COVERED BY THE

WARRANTY. DO NOT OPERATE THE WATER HEATER IF EXPOSURE

HAS OR WILL OCCUR. DO NOT STORE ANY POTENTIALLY CORROSIVE

COMPOUNDS IN THE VICINITY OF THE WATER HEATER.

For exact venting specifications, please consult the Venting section, located on

page 10, of these Installation and Operating Instructions. It is recommended

that a minimum clearance of 4 inches (10.2 cm) be provided on the side of the

water heater for servicing and maintenance of the combination temperature

and pressure relief valve.

WARNING

DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE NOT

CERTAIN OF THE FOLLOWING:

• Liquefied petroleum gases/propane gas and natural gas have an odorant

added by the gas supplier that aids in detection of the gas.

• Most people recognize this odor as a “sulfur” or “rotten egg” smell.

• Other conditions, such as “odorant fade” can cause the odorant to

diminish in intensity, or “fade”, and not be as readily detectable.

• If you have a diminished sense of smell, or are in any way unsure of the

presence of gas, immediately contact your gas supplier from a neighbor’s

telephone.

• Gas detectors are available. Contact your gas supplier or plumbing

professional for more information.

WARNING

Liquefied petroleum gases/propane gas are heavier than air and will remain at

floor level if there is a leak. Basements, crawl spaces, closets and areas below

ground level will serve as pockets for accumulation of leaking gas. Before

lighting, smell all around the appliance area for gas. Be sure to smell next to the

floor.

IF YOU SMELL GAS:

• Do not try to light any appliance.

• Do not touch any electric switch; do not use any telephone in your building.

• Immediately call your gas supplier from a neighbor’s telephone. Follow the gas

supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department.

DO NOT OPERATE APPLIANCE UNTIL LEAKAGE IS CORRECTED!

Installation (Locating The Water Heater) continued-

This water heater MUST be installed indoors out of the wind and weather.

This water heater must be located in an area where leakage of the tank, water

line connections, or the combination temperature and pressure relief valve will

not result in damage to the area adjacent to the water heater or to lower floors

of the structure. When such locations cannot be avoided, a suitable drain pan

must be installed under the water heater. The drain pan must have a minimum

length and width of at least 4 in. (10.2 cm) greater than the diameter of the

water heater and must not restrict proper combustion air flow to the water

heater. The drain pan, as described above, can be purchased from your

plumbing professional. The drain pan must be piped to an adequate drain.

The piping must be at least 3/4 inch (1.9 cm) in diameter and pitched for proper

drainage.

To comply with NSF requirements this water heater is to be:

a) Sealed to the floor with sealant, in a smooth and easily cleanable way,

b) Installed with an optional leg kit that includes legs and/or extensions

that provide a minimum clearance of 6” beneath the water heater.

Note: For California installation this water heater must be braced,

anchored, or strapped to avoid falling or moving during an earthquake.

See instructions for correct installation procedures. Instructions may be

obtained from California Office of the State Architect, 400 P Street,

Sacramento, CA 95814.

Minimum Clearances

This installation shall allow access to the front of the water heater and

adequate clearance shall be provided for servicing and operating this water

heater. The water heater may be installed on either a combustible or non-

combustible floor. If the water heater is to be installed directly on carpeting, it

shall be installed on top of a metal or wood panel (or equivalent) extending

beyond the full width and depth of the appliance by at least 3 inches (7.6 cm) in

any direction or, if the appliance is to be installed in an alcove or closet, the

entire floor shall be covered by the panel.

WARNING

Failure to adhere to these installation and operating instructions may

create a hazard to life and property and will nullify the warranty.

Installation continued-

Figure 1

Combustion Air Supply

All combustion air must be supplied from outdoors by one of the following

installation methods and as illustrated in Figure 2. The flow of combustion and

ventilating air must not be obstructed. Adequate air must be supplied for

combustion and ventilation. An insufficient supply of air will cause recirculation

of combustion products resulting in air contamination that may be hazardous to

life. Such a condition often will result in a yellow, luminous burner flame,

causing carboning or sooting of the combustion chamber, burners and flue

tubes with possible damage to the heater.

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. Note: When a mobile

home is tightly skirted, an air inlet opening in the skirting must be

provided. The opening shall have a minimum free area of at least 9 in2

(22.9cm2). If the opening is screened or covered with a louver, the total

free area must be at least 9 in2(22.9cm2). The following steps must be

followed for proper installation of these air supply components:

(Refer to Figure 2).

IMPORTANT

The flow of combustion and ventilating air must not be obstructed.

Minimum Clearances From

Combustible Materials

A 0” (0cm)

B 0” (0cm)

C 3” (7.62cm)

D 78” (1.98mm)

VENT----

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.

2. Insert the air intake into the 4” (10.2cm) diameter hole and fasten to the

floor with the screws provided.

3. Adjust the air intake so the lower tube extends below the underside

sheathing and secure with the screws provided. THE BOTTOM OF THE

AIR INTAKE MUST BE AT LEAST 12” (30.5cm) ABOVE THE

GROUND LEVEL.

4. Seal the openings around the air intake and underside sheathing to resist

the entrance of rodents.

5. Position the water heater so it is centered above the air intake. (Note:

The water heater should also be centered with the openings in the

roof and ceiling to allow for correct assembly of the roof jack to the

flue tube.)

The water heater is to be secured in place using the supplied sheet metal

strapping and screws. Fasten the base of the water heater to the floor using

the screws provided. The perforated metal strapping must be fastened to the

top of the water heater and to the adjacent walls with the screws provided.

(See Figure 2)

Venting

Make certain the flue baffle is in place and centered in flue tube. Cut a 7 1/4

inch (18.5cm) diameter hole in the ceiling and roof directly above the flue of the

water heater. Center the water heater beneath the 7 1/4 (18.5cm) inch

diameter holes in the roof and ceiling for proper alignment of the flue tube and

roof jack vent. Apply non-hardening mastic on the roof, around the previously

cut hole, to form a weather seal with the flashing of the gas vent roof jack

assembly. Note: Only the roof jacks listed in Figure 2 can be used on this

water heater. Insert the 3” (7.62 cm) vent connector extension (shipped

telescoped) into the gas vent roof jack assembly and down onto the flue pipe

extruding from the top of the water heater. Fasten the 3” (7.62 cm) vent

connector to the flue pipe using the 3” (7.62 cm) clamp provided. After all

connections are made, apply a bead of silicone (supplied with vent kit) to all

vent seams and connections above the flue pipe (some kits may contain

silicone bands to seal vent joints).

WARNING

The vent system must be installed properly. Failure to properly install the

vent system could result in property damage, personal injury, or death.

Installation (Venting) continued-

Figure 2

Water Connections

NOTE: BEFORE PROCEEDING WITH THE INSTALLATION, CLOSE THE

MAIN WATER SUPPLY VALVE.

After shutting off the main water supply, open a faucet to relieve the water line

pressure to prevent any water from leaking out of the pipes while making the

water connections to the water heater. After the pressure has been relieved,

close the faucet. 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. Install a shut-off valve in the cold water supply line.

CAUTION

If sweat fittings are to be used, DO NOT apply heat to the nipples on top of the

water heater. Sweat the tubing to the adapter before fitting the adapter to the

water connections. It is imperative that heat is not applied to the nipples

containing a plastic liner.

WARNING

FAILURE TO INSTALL AND MAINTAIN A NEW, LISTED 3/4” X 3/4”

TEMPERATURE AND PRESSURE RELIEF VALVE WILL RELEASE THE

MANUFACTURER FROM ANY CLAIM WHICH MIGHT RESULT FROM

EXCESSIVE TEMPERATURE AND PRESSURES.

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