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> Is water heater safe to use?

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ozak
post Sep 11 2013, 12:55 AM

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QUOTE(brutalsoul @ Sep 11 2013, 12:40 AM)
most of the new instant water heather is equip with ELCB
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Not most but all. Not reliable.
SUSPatagoniaranger
post Sep 11 2013, 12:56 AM

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ELCBs have some disadvantages:
They do not detect faults that don't pass current through the CPC to the earth rod.
They do not allow a single building system to be easily split into multiple sections with independent fault protection, because earthing systems are usually bonded to pipework.
They may be tripped by external voltages from something connected to the earthing system such as metal pipes, a TN-S earth or a TN-C-S combined neutral and earth.
As with RCDs, electrically leaky appliances such as some water heaters, washing machines and cookers may cause the ELCB to trip.
ELCBs introduce additional resistance and an additional point of failure into the earthing system.

http://en.wikipedia.org/wiki/Earth_leakage_circuit_breaker
cedyy
post Sep 11 2013, 12:58 AM

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my 2 weeks old Alpha water heater just kaput... damn.. better kaput than kena electrocuted i suppose
ozak
post Sep 11 2013, 12:59 AM

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QUOTE(cedyy @ Sep 11 2013, 12:58 AM)
my 2 weeks old Alpha water heater just kaput... damn.. better kaput than kena electrocuted i suppose
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Alpha ? sweat.gif Ada case. sweat.gif
SUSPatagoniaranger
post Sep 11 2013, 01:00 AM

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QUOTE(fireballs @ Sep 10 2013, 11:56 PM)
types of water heater -
- tank type
must use external earth fault breaker at 10 or 30ma
suited for multi point use

- instant type
  usually have built-in 10ma breaker
  for 1 point only

- gas fired
  risk of gas leak
  widely used in other countries like taiwan, and yes explosions happens

- solar
  have electric booster as well, when sun is low. same like tank type
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im using a tank type, you said must use external earth fault breaker.. usually how do i get to know the current one is at 10 or 30ma.. is it visible at the Circuit breaker station?
fireballs
post Sep 11 2013, 01:00 AM

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elcb is a generic term. as long as its current triggered is ok

my way of safe use;
i use a tank type
electrify/heat it up before use, then switch off during shower.
SUSPatagoniaranger
post Sep 11 2013, 01:01 AM

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QUOTE(ozak @ Sep 11 2013, 12:59 AM)
Alpha ? sweat.gif  Ada case. sweat.gif
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yes, malay guy got electrocuted before, saw in newspaper. using Alpha old brand.
cedyy
post Sep 11 2013, 01:02 AM

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QUOTE(Patagoniaranger @ Sep 11 2013, 01:01 AM)
yes, malay guy got electrocuted before, saw in newspaper. using Alpha old brand.
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holy sh*t! what should i do now? get it repaired or change it?? cry.gif
adamrobinson
post Sep 11 2013, 01:15 AM

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You can also use gas heater which is too safe if your bathroom so wide because I am also using gas heater which is not too costly & only one time installation..Mine suggestion to you to go for Gas heater...
ozak
post Sep 11 2013, 08:31 AM

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QUOTE(cedyy @ Sep 11 2013, 01:02 AM)
holy sh*t! what should i do now? get it repaired or change it??  cry.gif
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Got warranty mah. Take it back for repair lah.
ozak
post Sep 11 2013, 08:47 AM

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QUOTE(adamrobinson @ Sep 11 2013, 01:15 AM)
You can also use gas heater which is too safe if your bathroom so wide because I am also using gas heater which is not too costly & only one time installation..Mine suggestion to you to go for Gas heater...
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In this country, the gas era is over. It is just like trend here. And most of them don't no got gas heater too.

Mostly using elctrical heater. As it is cheaper and easy to install.
weikee
post Sep 11 2013, 09:27 AM

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QUOTE(ozak @ Sep 11 2013, 08:47 AM)
In this country, the gas era is over. It is just like trend here. And most of them don't no got gas heater too.

Mostly using elctrical heater. As it is cheaper and easy to install.
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Because people here in this forum mostly marketing electrical, and solar only. And they don't sell.

Gas is still best bang for buck. And go for RINNAI.
ozak
post Sep 11 2013, 09:59 AM

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QUOTE(weikee @ Sep 11 2013, 09:27 AM)
Because people here in this forum mostly marketing electrical, and solar only. And they don't sell.

Gas is still best bang for buck. And go for RINNAI.
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I think the cons about gas heater is the installation. With the high price now from labour till parts, not cheap to install.

And the bad talk from the saleman about gas explosion. Which hardly I heard last time. But they don't tell you about electrocute.
cedyy
post Sep 11 2013, 10:10 AM

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QUOTE(ozak @ Sep 11 2013, 08:31 AM)
Got warranty mah. Take it back for repair lah.
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dont feel safe... will always have that 'what if' feeling...
ozak
post Sep 11 2013, 10:18 AM

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QUOTE(cedyy @ Sep 11 2013, 10:10 AM)
dont feel safe... will always have that 'what if' feeling...
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Haunting you the news? brows.gif

Meanwhile, the japanese couple that dies from electrucuted, stay at that block which happen many strange ppl died case. sweat.gif

--> Haunted Block
SUSPatagoniaranger
post Sep 11 2013, 11:21 AM

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did you all read the newspaper today? they advised consumer to constantly check the ELCB every time or even monthly... crazy shit... we werent' told of this thing in the manual at all. And the hassle of checking and trauma everytime using water heater is like after watching Jaws the movie now. going to shower, check first..
lionfish77
post Sep 11 2013, 11:38 AM

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safest is to use solar powered water heater. My house is using it. It's been raining a lot lately and the sun is hardly out. But we still get enough warm water for shower and haven't had the need to switch on the electric heater. Water is not hot as during hot days but still warm enough to take a shower.
ycs
post Sep 11 2013, 11:42 AM

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isn't electrocution from an instant water heater rather difficult cos all external parts are plastic, unless messing with it while in the showering
ozak
post Sep 11 2013, 11:46 AM

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QUOTE(Patagoniaranger @ Sep 11 2013, 11:21 AM)
did you all read the newspaper today? they advised consumer to constantly check the ELCB every time or even monthly... crazy shit... we werent' told of this thing in the manual at all. And the hassle of checking and trauma everytime using water heater is like after watching Jaws the movie now. going to shower, check first..
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Actually it been longtime about elcb checking news. I think the manual did write a button to push at the heater to test the elcb function or not. Monthly checking is recommend.

Just ppl don't pay attention till to late.
ozak
post Sep 11 2013, 11:48 AM

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QUOTE(lionfish77 @ Sep 11 2013, 11:38 AM)
safest is to use solar powered water heater. My house is using it. It's been raining a lot lately and the sun is hardly out. But we still get enough warm water for shower and haven't had the need to switch on the electric heater. Water is not hot as during hot days but still warm enough to take a shower.
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Your tank still have the electric heater in it. Parts that seldom use and longtime no use is more danger when 1 day you ON it. sweat.gif

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