Water Is Too Hot
Adjust the thermostats to a lower setting. See “Temperature
Adjustment” section. It is imperative that the thermostat is
flush against the tank. See “Thermostat Replacement” sec-
tion.
Hot Water Odour
On occasion, and depending on your location, hot water
may develop a strong odour. This can be especially prob-
lematic in regions where the water contains some sulphur,
which results in hot water having a "rotten egg" smell. If this
occurs, drain the system completely, flush thoroughly and
refill. If the problem persists, the anode rod may need to be
changed from magnesium to one made of aluminum. In cer-
tain cases chlorinating and flushing of the water heater may
be required. Contact your dealer or water supplier.
Discoloured Water
· Water rich in iron or other minerals can produce red or
brown staining. Heating water generally worsens this
situation.
· Black water can be an indication of organic contami-
nates in the water supply. This can be problematic in
areas where the water is obtained from surface or con-
taminated sources. Organic particles can develop bac-
terial growth, causing potential health hazards. Contact
your water supplier for proper filtration or water condi-
tioning equipment. For bacterial problems contact your
local health authority. Also see “Hot Water Odour” sec-
tion.
· A sudden appearance of rusty water can indicate the
anode rod has been depleted. The remaining steel core
wire may be corroding, releasing iron particles into the
water. Inspect and replace as necessary. Also see
“Cathodic Protection: Anode Maintenance” section.
Water Heater Makes Noise
Sediment, sand or scale can accumulate resulting in "rum-
bling" or a "hissing" noise. Water heaters need to be flushed
regularly to minimize buildup. Severe accumulations can
cause premature failure of the water heater elements.
Extended Non-Use Service
Temperature Relief
The T&P valve will discharge varying amounts of water, but
typically more than you would experience from thermal
expansion. Check the temperature in relation to the setting
on the thermostat dial. A malfunctioning thermostat could
cause the water to get too hot.
– 9 –
CAUTION
Hydrogen gas can be produced in a hot water system
served by this storage tank that has not been used for a
long period of time (generally two (2) weeks or more).
Hydrogen gas is extremely flammable and can ignite
when exposed to a sp
ark or flame.
To reduce the risk of
injury under these conditions, it is recommended that the
hot water faucet be opened for several minutes at the
kitchen sink before using any electrical appliance con-
nected to the hot water system. Use caution in opening
faucets. If hydrogen is present, there will probably be an
unusual sound such as air escaping through the pipe as
the water begins to flow. There should be no smoking or
open flame near the faucet at the time it is open.
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