hi all,
if staying on second floor / third floor of a five floor flat, is pump required for the water heater？
water heater, price and quality
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 Oct 3 2016, 05:27 PM
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Junior Member
193 posts Joined: Aug 2006 
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Oct 24 2016, 09:59 AM
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Junior Member
130 posts Joined: Jul 2013
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Selling off 2 units of Rubine instant water heater (provided by developer, refer to attached photos)
Price: RM300 for 2 units. Available date: 2 weeks (plumber to remove it) Welcome to PM me if interested !  Attached thumbnail(s) 
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Nov 4 2016, 08:46 AM
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Junior Member
21 posts Joined: Aug 2013
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HI all,
I just bought Alpha 18i and Joven I88P water heater, both with rain shower. What is the recommended height for the rain shower to work best? Thanks |
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Nov 7 2016, 08:34 AM
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Junior Member
21 posts Joined: Aug 2013
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I just install Alpha smart 18i and Joven I88P on last Saturday. Both are DC Inverter pump silent series with rain showers and water supply from water tank, i.e. low pressure.
1) Joven I88P - the pump only 1 fix speed, that's why always operate maximum and noisier. Installation also take more time than Alpha. The connector at the rain shower difficult to tighten and slight water leak. Only advantage is safety wise, the built in RCD is 10mA which is more sensitive than Alpha 18i only 15mA. 2) Alpha 18i - adjustable pump speed, hence, sounds like more silent. Quality and finishing better, easier to install. Good for low pressure water supply as the outcome is better. |
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Nov 7 2016, 10:15 AM
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Senior Member
860 posts Joined: Jul 2005
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QUOTE(kcwong609 @ Nov 7 2016, 08:34 AM) I just install Alpha smart 18i and Joven I88P on last Saturday. Both are DC Inverter pump silent series with rain showers and water supply from water tank, i.e. low pressure. How's the rainshower performance? Is the flow strong enough to be enjoyable?1) Joven I88P - the pump only 1 fix speed, that's why always operate maximum and noisier. Installation also take more time than Alpha. The connector at the rain shower difficult to tighten and slight water leak. Only advantage is safety wise, the built in RCD is 10mA which is more sensitive than Alpha 18i only 15mA. 2) Alpha 18i - adjustable pump speed, hence, sounds like more silent. Quality and finishing better, easier to install. Good for low pressure water supply as the outcome is better.  Heard that rainshower is not that suitable for water supplied from water tank due to low pressure. |
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Nov 7 2016, 04:30 PM
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Junior Member
21 posts Joined: Aug 2013
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QUOTE(westley0214 @ Nov 7 2016, 10:15 AM) How's the rainshower performance? Is the flow strong enough to be enjoyable? not strong, just like water flow down or small rain without much pressure instead of heavy rain or handshower...imagine a bit...Heard that rainshower is not that suitable for water supplied from water tank due to low pressure. ya, not so suitable from water tank supply but kids love and enjoy it so much lor...so do me and my wife as no need to hold the handshower head. Alpha give better output. |
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Nov 7 2016, 04:37 PM
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All Stars
17,018 posts Joined: Jan 2005 
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QUOTE(kcwong609 @ Nov 7 2016, 04:30 PM) not strong, just like water flow down or small rain without much pressure instead of heavy rain or handshower...imagine a bit... It is call "Rain Shower "ya, not so suitable from water tank supply but kids love and enjoy it so much lor...so do me and my wife as no need to hold the handshower head. Alpha give better output. |
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Nov 29 2016, 01:42 PM
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Junior Member
268 posts Joined: Jul 2005 From: stuck between Hell & Heaven
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QUOTE(jerryng75 @ Jul 27 2016, 05:06 PM) Hi All, Interesting info. Mind telling how would a buyer know whether the water heater uses PA66 or PP at the point of purchasing? Thanks!I like to raise everyone concern on Water Heater Today, there is another dead from Water Heater during Shower The Water goes through a Compartment , which is made of Plastics & Inside is the heating Element. A Good Brand, Japanese made, uses PA66 or what you may known as Nylon The Best PA66 does not break. therefore it does not leak water A bad design brand, in which I have seen uses PP or Polypropylene + other stuff. You've seen PP everywhere, like those coffee shop Chairs. They will break in which the water will leak and touches the Board. The Current then will follow the water and electrocute you. So please make the right choice to benefits you Your purchase should not benefits the Lousy Product Maker Good Luck |
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Nov 29 2016, 02:31 PM
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Junior Member
188 posts Joined: Dec 2007
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Wow sounds scary, yea would be good if can share info on how to determine which water heater uses PA66 or PP.
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Nov 30 2016, 09:18 AM
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Junior Member
385 posts Joined: Oct 2013
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Hi am planning to get 2 water heater from Pansonic.
DH-3NP2MS(Pump) for upstair as the pressure is pretty bad DH-3NS2MS(non pump) for downstair. Anybody can give product review from experience using it? TQ |
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Nov 30 2016, 11:36 AM
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Senior Member
3,812 posts Joined: Apr 2009 From: West Malaysia 
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QUOTE(kcwong609 @ Nov 4 2016, 08:46 AM) HI all, depends how tall u are? and also how tall is the ceiling? lolI just bought Alpha 18i and Joven I88P water heater, both with rain shower. What is the recommended height for the rain shower to work best? Thanks anyway, it doesn't matter, if installed higher u feel some presurre from water massaging your head/shoulder.. some like it some not.. if too low, while shampoo-ing or raise your hand to wash armpit.. ur finger may touch the base.. lol.. jz my personal experience.. |
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Nov 30 2016, 11:38 AM
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Senior Member
3,812 posts Joined: Apr 2009 From: West Malaysia
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QUOTE(westley0214 @ Nov 7 2016, 10:15 AM) How's the rainshower performance? Is the flow strong enough to be enjoyable? yes, normally external water pump to help boost up the pressure..Heard that rainshower is not that suitable for water supplied from water tank due to low pressure. |
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Nov 30 2016, 11:39 AM
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Senior Member
3,812 posts Joined: Apr 2009 From: West Malaysia
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QUOTE(meme00 @ Oct 3 2016, 05:27 PM) hi all, better to have..if staying on second floor / third floor of a five floor flat, is pump required for the water heater？ |
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Nov 30 2016, 11:39 AM
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Senior Member
3,812 posts Joined: Apr 2009 From: West Malaysia
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QUOTE(thenuts15 @ Sep 13 2016, 05:27 PM) Is Joven water heater really that bad? like?I have been hearing lots of negative comments. |
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Nov 30 2016, 11:43 AM
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Junior Member
385 posts Joined: Oct 2013
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QUOTE(spreeeee @ Nov 30 2016, 11:39 AM) like? Fast spoil |
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Dec 1 2016, 03:23 PM
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Junior Member
40 posts Joined: Oct 2009
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besides of noise level & elec saving , if talk about WATER FLOW, which one is stonger in between DC pump and AC pump ?
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Dec 5 2016, 10:08 PM
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Senior Member
832 posts Joined: Jan 2003
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just installed panasonic DH-3MP1 today. i notice that the dc pump starts running as soon as i power on the device and without any water. is this normal?
before this using alpha ac pump shower heater. pump will only run when water is turned on and will auto stop when water is turned off. worried if i forget to turn off the power, dc pump will run throughout the whole night. |
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Dec 6 2016, 10:09 AM
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Senior Member
3,000 posts Joined: Aug 2008 From: PeeJay
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QUOTE(blstz @ Dec 5 2016, 10:08 PM) just installed panasonic DH-3MP1 today. i notice that the dc pump starts running as soon as i power on the device and without any water. is this normal? according to panasonic website, it has one push ON-OFF switch?before this using alpha ac pump shower heater. pump will only run when water is turned on and will auto stop when water is turned off. worried if i forget to turn off the power, dc pump will run throughout the whole night. cant you just use the switch to off it? |
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Dec 6 2016, 10:30 AM
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Senior Member
832 posts Joined: Jan 2003
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QUOTE(DecaPix @ Dec 6 2016, 10:09 AM) according to panasonic website, it has one push ON-OFF switch? yup, can turn off the dc pump if i use the push switch on the unit, or if i turn off the breaker switch. cant you just use the switch to off it? but im just wondering whether normal for dc pump to start running even without water supply (with both switch and breaker on).  i though pump will only start when power and water is supplied. i usually dont have a habit to turn off the switch at shower heater, only turn off breaker once i come out of the bathroom. sometimes i forget so breaker can be turned on for a few hours. if this is the case then dc pump will run for few hours also  |
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Dec 6 2016, 10:31 AM
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Senior Member
832 posts Joined: Jan 2003
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QUOTE(ahbsl @ Dec 1 2016, 03:23 PM) besides of noise level & elec saving , if talk about WATER FLOW, which one is stonger in between DC pump and AC pump ? based on my experience. i've used alpha ac pump and panasonic dc pump. pressure wise i dont feel there's a big difference. however, noise difference is "sky and earth" |
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