STIEBEL ELTRON SB 200 - Manual (Page 3)

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WARNING
There are no user serviceable parts on this product. Attempts to service
this product by someone other then a licensed plumber or heating
technician could void the warranty, cause property damage, personal
injury or loss of life.
A mixing valve does not eliminate the risk of scalding:
• Set the thermostat as low as practical.
• Feel water before bathing or showering.
• If anti-scald or anti-chill protection is required, use devices
specifically designed for such service. Install these devices in
accordance with their manufacturer’s instructions.
Install a new Temperature and Pressure Relief (“T & P”) Valve in the
tapping on the top of the tank marked “T&P VALVE”. Failure to do so
could result in property damage, personal injury or death.
• This Valve must comply with the Standard for Relief Valves and
Automatic Gas Shutoff devices for Hot Water Supply Systems (ANSI
Z21.22)
• No valve is to be placed between the T&P valve and the tank.
• Do not install valves, reducing couplings or other obstructions in the
relief valve discharge line.
• Do not install a T&P valve with a pressure settings in excess of 150 PSI
or a temperature setting in excess of 210˚F
• Pipe the discharge line to a location where hot water discharge will
not cause injury or damage.
• Do not run any portion of the discharge line through a location that
will be exposed to freezing temperatures.
• Pipe he discharge line to allow complete drainage of both the
discharge piping and the T&P valve.
Hydrogen gas can be produced in a hot water system that has not been
used for a long period of time (generally two weeks or more). Hydrogen
gas is extremely flammable. To prevent the possibility of injury under these
conditions, it is recommended that the hot water faucet be opened for
several minutes at the kitchen sink before you use any electrical
appliance, which is connected to the hot water system. If hydrogen is
present, there will probably be an unusual sound such as air escaping
through the pipe as hot water begins to flow. There should be no smoking
or open flame near the faucet at the time it is open.