A.O. Smith HSE-HAS User Manual page 15

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The Multi-function Safety valve should never be removed or blocked by any means to
prevent it from dripping or releasing the excess pressure inside the heater. Failure to do so
may result in damage to the Water Heater and injuries to the user. This will also make the
warranty null and void.
Discharge Outlet is provided to release the discharge from the Water Heater in case
excessive pressure is developed. The contents of the discharge from the Multi-function
Safety valve may be hot and may cause burns to the users and damage nearby objects,
therefore it is recommended to take pre-cautions while discharging water from the Water
Heater.
It is recommended to operate the Discharge Lever in the Multi-function Safety valve on a
regular basis to ensure that there are no blockages and also to remove any lime deposits
that would have been formed inside the Water Heater.
Ensure that the Water Heater is in power OFF condition when the Discharge Lever is being
operated. Ensure that the water is lled completely in the Water Heater before switching it
ON.
Ensure that the insulation of Multi-function Safety valve is not damaged while tightening.
CAUTION
11

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