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Warning, Filling the water heater, Gas requirements – Kenmore 153.331572 User Manual

Page 14: Gas piping, Gas supply, Explosion hazard

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24” MINIMUM
FOR SERVICE

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CEILING

FIGURE 10.

Filling the Water Heater

Never use this water heater unless it is completely full of water.

To prevent damage to the tank, the tank must be fi lled with water.

Water must fl ow from the hot water faucet before turning “ON” gas

to the water heater. To fi ll the water heater with water:
• Close the water heater drain valve by turning the handle to

the right (clockwise). The drain valve is on the lower front of

the water heater.

Explosion Hazard

• Use a new CSA approved gas supply line.

• Install a shut-off valve.

• Do not connect a natural gas water heater to an

L.P. gas supply.

• Do not connect an L.P. gas water heater to a

natural gas supply.

• Failure to follow these instructions can result in

death, explosion, or carbon monoxide poisoning.

WARNING

Gas Requirements

IMPORTANT: Read the rating plate to be sure the water heater

is made for the type of gas you will be using in your home. This

information will be found on the rating plate located near the

gas control valve/thermostat. If the information does not agree

with the type of gas available, do not install or light. Call your

dealer.
NOTE: An odorant is added by the gas supplier to the gas used

by this water heater. This odorant may fade over an extended

period of time. Do not depend upon this odorant as an indication
of leaking gas.

Gas Piping

The gas piping must be installed according to all local and state

GAS SUPPLY

codes or, in the absence of local and state codes, the “National

Fuel Gas Code”, ANSI Z223.1(NFPA 54)-current edition.
Tables 1 and 2 on the following page provide a sizing reference

for commonly used gas pipe materials. Consult the “National

Fuel Gas Code” for the recommended gas pipe size of other

materials.
NOTE: Use pipe joint compound or teflon tape marked as being

resistant to the action of petroleum [Propane (L.P.)] gases.

(See Figure 11.)
1. Install a readily accessible manual shut-off valve in the gas

supply line as recommended by the local utility. Know the

location of this valve and how to turn off the gas to this unit.

2. Install a drip leg (if not already incorporated as part of

the water heater) as shown. The drip leg must be no less

than three inches long for the accumulation of dirt, foreign

material, and water droplets.

3. Install a ground joint union between the gas control valve/

thermostat and the manual shut-off valve. This is to allow

easy removal of the gas control valve/ thermostat.

4. Turn the gas supply on and check for leaks. Test all

connections by brushing on an approved noncorrosive

leak-detection solution. Bubbles will show a leak. Correct
any leak found.

CHECK WITH
LOCAL UTILITY
FOR MINIMUM HEIGHT

DRIP LEG

GROUND
JOINT
UNION

SUITABLE
DRAIN

3” MINIMUM

MANUAL GAS
SHUT-OFF VALVE

FIGURE 11.

• Open the cold water supply valve to the water heater.

NOTE: The cold water supply valve must be left open

when the water heater is in use.

• To ensure complete fi lling of the tank, allow air to exit by

opening the nearest hot water faucet. Allow water to run until

a constant fl ow is obtained. This will let air out of the water

heater and the piping.

• Check all water piping and connections for leaks. Repair as

needed.