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 [WTA] Grundfos Water Pump, CH-PT or CH-PC

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skng03
post Apr 6 2012, 09:54 PM

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QUOTE(weikee @ Apr 6 2012, 01:54 PM)
Ok, I will survey on it. Black don't look nice woh.
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Nice or maintenance free, your choice......
Want look nice, prepare to change the flex. Hose in few month time.
I change them few time only found this DOE bidet.

But my own house still use chrome one, nice mar...... but i limit my pump pressure at 30psiļ¹°


Added on April 6, 2012, 10:01 pm
QUOTE(ozak @ Apr 6 2012, 12:11 PM)
The main pipe pressure is not high. So thaught of every tap go through the pump to have good pressure. But the pump water is from the tank and not the main pipe.

Stevie8 advise not good and bacteria problem. So that would left the kicthen tap low pressure from the main.

The pump is for cold water and not hot water.
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Since your main pressure not high, your solar heater/ water heater must connect to pump lar, else mana ada shok when taking shower..

This post has been edited by skng03: Apr 6 2012, 10:01 PM
stevie8
post Apr 7 2012, 12:17 AM

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QUOTE(ozak @ Apr 6 2012, 02:25 PM)

That is consent me with the tank bacteria and left the kitchen only joint the main water which have a low pressure. So still find a solution for this kitchen piping. I wash the tank 1-2x a yrs. For my current setup which have auto backup, when no water, the tank water will fit the kicthen tap. So far no problem with my stomach lah. sweat.gif
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Most bacteria and micro organism are harmless, infact some are good and many live in our intestine helping us in digesion and passing motion and killing bad bacteria. Also our body has defence mechanism to fight them with immunity. So, we dont actually have problem with dirty water. But the real concern is children especially babies, new born babies and those fed with cow milk that have no human milk that contains antibodies after 1 month old will easily fall sick and get us parents worry. The bac and water can get in into their bodies during bathing via mouth and eyes as they have yet to learn how to shut them up but drink it and open eyes. This can happen even when you wipe their face with wet tower. But still the chances of having bad bacteria in the tank is remote. It can happen only when the tank is containminated (no cover especially) with bad bacteria and the bad bacteria able to survive the attack of other bacteria and the bacteria lasted and survived in the tank and again the chance of being kill by new tap water to the tank and finally the little chance that they have getting into the openings of the baby. Yet again their number or quantity is low in the tank environment that is hostile to them to multiply. Still the bacteria shuld be killed in the stomach with hydrochlric acid and babies are able to recover in a week as most as the immuse system kick in, that's why we survive. But still it give parents much worry as baby cannot talk what's wrong with them if it is stomachache, bone ache, body pain, feeling cold, tired or they are hungry, whatever.
weikee
post Apr 8 2012, 10:01 PM

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QUOTE(skng03 @ Apr 6 2012, 09:54 PM)
Nice or maintenance free, your choice......
Want look nice, prepare to change the flex. Hose in few month time.
I change them few time only found this DOE bidet.

But my own house still use chrome one, nice mar...... but i limit my pump pressure at 30psiļ¹°


Added on April 6, 2012, 10:01 pm

Since your main pressure not high, your solar heater/ water heater must connect to pump lar, else mana ada shok when taking shower..
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There actually have a nicer and higher quality hose, hardly see it here. You know some shopping center got bidet, their water pressure is very good, and hose still very reliable.


Added on April 8, 2012, 10:02 pm
QUOTE(xsaed @ Apr 8 2012, 09:29 PM)
seeing that a pump cost abt RM1.5k above, i'm thinking abt getting water heater c/w pump, saves the money and all the hassle of burst piping joints....
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Is a difference experience with water pump and rain shower, even the normal shower head water feel so much better.

This post has been edited by weikee: Apr 8 2012, 10:02 PM
stevie8
post Apr 8 2012, 10:33 PM

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QUOTE(xsaed @ Apr 8 2012, 09:29 PM)
seeing that a pump cost abt RM1.5k above, i'm thinking abt getting water heater c/w pump, saves the money and all the hassle of burst piping joints....
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Do you know why instant water heater shower head has very tiny holes? 15A is the max to heat the water for a few degree upward instantly in the small tank and you cannot have high volume of water flow. To make you feel there is a lot of water the shower heads come with small holes spreading over. The pump of the intant water heater is not meant to have you have large volume of water. It is for houses/areas that do not have high water pressure. Instant water heater need pressure to work properly.
weikee
post Apr 8 2012, 10:36 PM

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QUOTE(stevie8 @ Apr 8 2012, 10:33 PM)
Do you know why instant water heater shower head has very tiny holes? 15A is the max to heat the water for a few degree upward instantly in the small tank and you cannot have high volume of water flow. To make you feel there is a lot of water the shower heads come with small holes spreading over. The pump of the intant water heater is not meant to have you have large volume of water. It is for houses/areas that do not have high water pressure. Instant water heater need pressure to work properly.
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Filling up WC is so much faster, less than 1 min. If need reflush don't have to wait long too.
stevie8
post Apr 10 2012, 11:54 PM

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QUOTE(xsaed @ Apr 8 2012, 11:27 PM)
i hv a good comparison, my folks place got water heater c/w pump, but my place is w/o pump. the difference in water flow is noticeable enough. choose higher pump power (that rm700 upwards)

if water heater is designed to have high water volume, then ur electricity bill will cost a bomb. good pressure is good enough... one of the way to increase pressure is by lowering pipe volume, thats why the shower head uses smaller holes.. but to each is his own i suppose, some like big shower heads & noce water flow and pressure and dont minds the hassle that come with it.

i dont dare risk any pipe burst.... if i build the my house from ground up then maybe i can plan properly, unfortunately some hosing developers is not that attentive to details....
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You are right. developers are such but not because of pipe burst but joints not properly done and supervise and no pressure test.

Use solar heater no worry about electrc bill. But if price is a concern and you have other priority then intant water heater with pump is the choice. I prefer solar because we bath everyday at least once and the hot water supply is ready available at anytime even for the basin morning brushing teeth and cleaning face with warm water. Something that we do everyday might as well enjoy it making life more meaningful. Life isnt has many to enjoy unless you got hell lot of money and life is short. Things that we use everyday the investment is never a waste like a good bed that we spend on it everyday for 8 hrs. Dont buy cheapo bed and suffer backache. To me bathing is a big part of life we should enjoy.
skng03
post Apr 11 2012, 01:06 AM

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QUOTE(stevie8 @ Apr 10 2012, 11:54 PM)
.......Things that we use everyday the investment is never a waste like a good bed that we spend on it everyday for 8 hrs. Dont buy cheapo bed and suffer backache. To me bathing is a big part of life we should enjoy.
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add another one.... don't ever stingy on your shoe smile.gif


Added on April 11, 2012, 1:07 amOut of topic...hehe

This post has been edited by skng03: Apr 11 2012, 01:07 AM
stevie8
post Apr 11 2012, 01:27 AM

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QUOTE(skng03 @ Apr 11 2012, 01:06 AM)
add another one.... don't ever stingy on your shoe smile.gif


Added on April 11, 2012, 1:07 amOut of topic...hehe
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Out of topic yes.

unfortunately you cannot claim tax exemption for sport shoes. Shoes just too many we have to have, office shoe, high heeled shoes, slipers for bathroom easy putting on and off and we wear no shoes at home, we got no winter.

Water pump is a must but no need to buy expensive one like grundfos. Many people use panasonic, only few hundreds RM and it last many years too but not as high pressure as grundfos. If you want the best i think it is grundfos. Quiet if you must install in the attic.

Panasonic, cheap and durable. My bro use it for more than 10 yrs
Grundfos, quiet, high pressure and durable. I use it for more than 10 yrs. These thing just dont break!!!


coconutzz
post Apr 17 2012, 09:39 AM

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Hi just wanted to know if PVC Class 6 Pipes suitable for the pump ?
JinXXX
post Apr 17 2012, 09:47 AM

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QUOTE(coconutzz @ Apr 17 2012, 09:39 AM)
Hi just wanted to know if PVC Class 6 Pipes suitable for the pump ?
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not sure about class this.. i based my pipe on these information

Attached Image



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stevie8
post Apr 17 2012, 09:54 AM

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QUOTE(coconutzz @ Apr 17 2012, 09:39 AM)
Hi just wanted to know if PVC Class 6 Pipes suitable for the pump ?
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Developer are required to use at least class 6 for main direct pipe. It is not a problem. The highest class is class 7. But for pipe coming down from tank is different story for pump. The leak usually is from the connection/joints and GI pipe joints when the ground sink and the pipe sink with it that cause the leak. Even Class 0 is ok provided there is no accidental cut or press on with heavy objects.
coconutzz
post Apr 17 2012, 10:48 AM

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QUOTE(stevie8 @ Apr 17 2012, 09:54 AM)
Developer are required to use at least class 6 for main direct pipe. It is not a problem. The highest class is class 7. But for pipe coming down from tank is different story for pump. The leak usually is from the connection/joints and GI pipe joints when the ground sink and the pipe sink with it that cause the leak. Even Class 0 is ok provided there is no accidental cut or press on with heavy objects.
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Thanks a lot for the input ...

Cheers!
mhhee
post Apr 21 2012, 06:03 PM

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Recently I just bought Grundfos CM3-5PC water pump from Zean. Get my plumber to install it on Thursday & have a chance to test it today.

Here is my experience on this water pump & conversation with my wife after I tested it...

Me : Oh... I felt so stupid & regret after I bought this Grundfos water pump.
Wife : Why? I tot u said it's good? hmm.gif
Me : No! U listen to me... I tested it just now... Now look at my pants... cry.gif
Wife : Huh? OMG... U pee on ur pants? shocking.gif
Me : Urrrr.... No lar...
Me : Hai... Becoz of the water pump lar... Just now I opened my water stopcock in my bath room. The water is coming out from the water tap hole (I haven't installed water tap yet) & shooting at me around 1ft long... Where I'm standing 5 ft away from it... Then, I asked my contractor to open water pump to test... shocking.gif The water just shooting at me directly on my pants... Damn... I'm standing 5ft away from the water tap hole!!! My contractor & I laughing non-stop...
Wife : I tot u said regretted buying it? sweat.gif
Me : Ya lar... I should have bought this earlier... tongue.gif
Wife : doh.gif


In conclusion, this is a MUST BUY item. thumbup.gif

This post has been edited by mhhee: Apr 21 2012, 06:03 PM
JinXXX
post Apr 21 2012, 06:04 PM

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QUOTE(mhhee @ Apr 21 2012, 06:03 PM)
» Click to show Spoiler - click again to hide... «

In conclusion, this is a MUST BUY item.  thumbup.gif
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gambar mana ? lol smile.gif
ozak
post Apr 21 2012, 08:50 PM

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QUOTE(mhhee @ Apr 21 2012, 06:03 PM)
Recently I just bought Grundfos CM3-5PC water pump from Zean. Get my plumber to install it on Thursday & have a chance to test it today.

Here is my experience on this water pump & conversation with my wife after I tested it...

Me  : Oh... I felt so stupid & regret after I bought this Grundfos water pump.
Wife : Why? I tot u said it's good?  hmm.gif
Me  : No! U listen to me... I tested it just now... Now look at my pants...  cry.gif
Wife : Huh? OMG... U pee on ur pants?  shocking.gif
Me  : Urrrr.... No lar...
Me  : Hai...  Becoz of the water pump lar... Just now I opened my water stopcock in my bath room. The water is coming out from the water tap hole (I haven't installed water tap yet) & shooting at me around 1ft long... Where I'm standing 5 ft away from it... Then, I asked my contractor to open water pump to test...  shocking.gif The water just shooting at me directly on my pants...  Damn... I'm standing 5ft away from the water tap hole!!! My contractor & I laughing non-stop...
Wife  : I tot u said regretted buying it?  sweat.gif
Me    : Ya lar... I should have bought this earlier...  tongue.gif 
Wife  : doh.gif


In conclusion, this is a MUST BUY item.  thumbup.gif
*
High pressure doesn't mean good. When pipe burst, you will have nightmare.

A correct pressure is the correct way.
JinXXX
post Apr 21 2012, 11:52 PM

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QUOTE(ozak @ Apr 21 2012, 08:50 PM)
High pressure doesn't mean good. When pipe burst, you will have nightmare.

A correct pressure is the correct way.
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+1 high pressure... = risk to joints and etc..

ngam pressure + correct pipe sizing = perfect flow at ngam pressure smile.gif
stevie8
post Apr 22 2012, 12:33 AM

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When you know you got a good piping eg re-pipe during reno you can then go for high pressure pump. Always tell the pipe fello that you are going to use high pressure pump and he better do it properly.

If you want to be sure few things to consider:

1. from meter use poly pipe all the way to tank and kitchen.with no joint or connections.
2. Any connection or branch out make sure is accessible. Like branching out for garden hose and to tank and kitchen where the expose pipe connection is hidden behind kitchen cabinet wall. Those are from main.
3. From pump to bathroom or any other outlet all stop valves use the metal (brass usually) casing type so that the rubber stop valve can be replace with common rubber seal when it wear off.
4. Got to know the location of the "T" between shower and basin and toilet. Use stainless steel pipe with copper elbow and T. In case of leak you need only to hack one or two pieces of tile and re-tighten the nuts or replace the elbow or T. If you use abs or pvc, sorry la you got to hack many tiles to cut the pipe and reglue.
5. Cannot find the same pattern tiles never mind. It is usually below basin, not so obvious. Best is to keep few pieces of tiles incase you need to hack one day.
zheilwane
post Apr 22 2012, 04:42 AM

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QUOTE(mhhee @ Apr 21 2012, 06:03 PM)
Recently I just bought Grundfos CM3-5PC water pump from Zean. Get my plumber to install it on Thursday & have a chance to test it today.

Here is my experience on this water pump & conversation with my wife after I tested it...

Me   : Oh... I felt so stupid & regret after I bought this Grundfos water pump.
Wife : Why? I tot u said it's good?  hmm.gif
Me   : No! U listen to me... I tested it just now... Now look at my pants...  cry.gif
Wife : Huh? OMG... U pee on ur pants?  shocking.gif
Me   : Urrrr.... No lar...
Me   : Hai...  Becoz of the water pump lar... Just now I opened my water stopcock in my bath room. The water is coming out from the water tap hole (I haven't installed water tap yet) & shooting at me around 1ft long... Where I'm standing 5 ft away from it... Then, I asked my contractor to open water pump to test...  shocking.gif The water just shooting at me directly on my pants...  Damn... I'm standing 5ft away from the water tap hole!!! My contractor & I laughing non-stop...
Wife  : I tot u said regretted buying it?  sweat.gif
Me    : Ya lar... I should have bought this earlier...  tongue.gif 
Wife  : doh.gif


In conclusion, this is a MUST BUY item.  thumbup.gif
*
Omg, this is so funny hahahaha. THanks for purchasing the pump and sharing your experience smile.gif


Added on April 22, 2012, 8:30 am
QUOTE(ozak @ Apr 21 2012, 08:50 PM)
High pressure doesn't mean good. When pipe burst, you will have nightmare.

A correct pressure is the correct way.
*
For those who are scared of burst and wanna get the right pressure, can consider Grundfos UNI E model. This model comes with a control panel where by u can control the pressure from 2.5 bar - 4 bar. This is a variable speed pump and it can maintain constant pressure

This post has been edited by zheilwane: Apr 22 2012, 08:30 AM
coconutzz
post Apr 22 2012, 08:52 AM

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Hi zein... Wat was the model u recommended for my house again when I was there yesterday..the one u said 0.75hp smile.gif. Will come get it before u close for Hols... Btw it's good enuff for 3 baths ya?
stevie8
post Apr 22 2012, 10:50 AM

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QUOTE(zheilwane @ Apr 22 2012, 04:42 AM)
Omg, this is so funny hahahaha. THanks for purchasing the pump and sharing your experience smile.gif


Added on April 22, 2012, 8:30 am

For those who are scared of burst and wanna get the right pressure, can consider Grundfos UNI E model. This model comes with a control panel where by u can control the pressure from 2.5 bar - 4 bar. This is a variable speed pump and it can maintain constant pressure
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How much? Any pic?

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