Kenmore 33176 Installation Guide download pdf (Page 16)

FIGURE 17.

No valve or other obstruction is to be placed between the

relief valve and the tank. Do not connect tubing directly

to discharge drain unless a 6 inch air gap is provided. To

prevent bodily injury, hazard to life, or property damage, the

relief valve must be allowed to discharge water in quantities

should circumstances demand. If the discharge pipe is not

connected to a drain or other suitable means, the water ow

may cause property damage.

CAUTION

• Pressure Relief Valve discharge pipe must

terminate at adequate drain.

Water Damage Hazard

The Discharge Pipe:

• Shall not be smaller in size than the outlet pipe size of the

valve, or have any reducing couplings or other restrictions.

• Shall not be plugged or blocked.

• Shall not be exposed to freezing temperatures.

• Shall be of material listed for hot water distribution.

• Shall be installed so as to allow complete drainage of

both the relief valve and the discharge pipe.

• Must terminate a maximum of six inches above a oor

drain or external to the building. In cold climates, it is

recommended that the discharge pipe be terminated at

an adequate drain inside the building.

• Shall not have any valve or other obstruction between

the relief valve and the drain.

Once the boiler is installed and lled with water and the system

is pressurized, manually test the operation of the pressure

relief valve. See the maintenance section of this manual for

instructions.

DANGER

• Burn hazard.

• Hot water discharge.

• Keep clear of Te mperature-

Pressure Relief Valve

discharge outlet.

The Temperature-Pressure Relief Valve must be manually

operated at least twice a year. Caution should be taken to

ensure that (1) no one is in front of or around the outlet of the

Temperature-Pressure Relief Valve discharge line, and (2) the

water manually discharged will not cause any bodily injury or

property damage because the water may be extremely hot. If

after manually operating the valve, it fails to completely reset

and continues to release water, immediately close the cold water

inlet to the water heater, follow the draining instructions in this

manual, and replace the Temperature-Pressure Relief Valve with

a properly rated/sized new one.

Note: The purpose of a Temperature-Pressure Relief Valve is to

prevent excessive temperatures and pressures in the storage

tank. The T&P valve is not intended for the constant relief of

thermal expansion. A properly sized thermal expansion tank must

be installed on all closed systems to control thermal expansion,

see Closed Water Systems and Thermal Expansion on page 23.

If you do not understand these instructions or have any questions

regarding the Temperature-Pressure Relief Valve call the toll

free number listed on the back cover of this manual for technical

assistance.

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 lled with water.

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

gas to the water heater.

To 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.

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

        

when the water heater is in use.

• To insure complete lling of the tank, allow air to exit by

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

a constant 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.

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Kenmore 33176 Installation Guide Page 16

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