Dear Sifus, im having a mini dilemma here. What I intend to do is to have a medium sized (10"-12") rain shower connected to my soon to purchase water heater                                            
                                            
My current method is to purchase a water heater with pump and rain shower, and purchase a new shower head seperately to fit to replace the default shower head (as the one provided with the heater is small)                                            
Approximate cost would be                                            
Water heater with rain shower- RM700-RM800
10-12" Shower head - RM300-RM400                                            


The heater model im planning to get (joven i70p)
                                       
Question 1                                            
My question is, do I have any alternative way to get a rain shower setup with my heater since from what I checked                                            
the rain shower column itself can cost between RM500-RM1000                                            
                                            
Question 2                                            
Will my water heater with pump be able to produce enough presure to push the water up to the rain shower?                                            
Current built in shower head has decent water pressure. (any idea how I can quickly check the pressure readings?)                                            
                                            
Question (slightly off topic)
Why is the water pressure in my 2nd bathroom stronger than the one in the master bedroom?

Question 4
Are the shower head fittings standard?

Thanks in advance!

This post has been edited by aztechx: Nov 17 2014, 02:34 PM

Ans 1
You can op to install a centralized water heater. Cost of heater will be around 2 electric water heater that you plan to buy. But you need to have budget to install additional hot water piping.

Ans 2
Usually the water heater pump will only generate pressure enough to support its own rain shower. I don't think it will have enough pressure if you change the original rain shower into 10" or 12". Even if the pressure is enough, the electric heater maybe cannot heat up to the temperature setting as the flow rate will be too fast for the heater.

Ans 3
Pressure different might due to piping connection. Maybe your second bathroom is nearer to your main water inlet as compared to master bedroom. Hence causing pressure drop.

Ans 4
Shower head fitting is standard.

ps: If you are interested to know of any other alternative to have a centralized hot water system for your house, kindly PM me

Regards,
Lee

TS can consider Rennai come with rain shower n built in pump.

wat about panasonic ?

Pana still dun have rain shower for bigger head.

I had mine 8yrs ago still preform quite well, noisy for AC pump, that's I recommended on Rinnai DC pump & rain shower, just slightly expansive but quite enjoyable for take bath.

This post has been edited by kimsim: Nov 17 2014, 04:52 PM

Rinnai ... is this brand convincing ? DC pump for sure , if u dont want noisy sound and expensive bill...LoL

If got pressure enough then install centralized quite enjoying like in hotel room.

Just share mine newly installed for my Sg flat.




For only used 25L storage tank.


Also joint to kitchen sink and master toilet basin for mixer tap.

Rinnai around 900 I'm not wrong, cause my sister in law just recent installed.

This post has been edited by kimsim: Nov 17 2014, 05:02 PM

RM900 for instant water heater ? its too expensive already.....i would expect max RM700+ only ..someone told me he saw panasonic rainshower in pj shop....erm

Maybe you can try sharp slightly cheaper

Thanks Lee for the detailed reply!

Regarding the centralized heater, i dont think thats an option for now due to budget constraints and that im currently living in a two bathroom condo with only two occupants. Might consider in the future though. Will the centralized system come with a dedicated water pump?

Ans 2
Was a bit sceptical on the ability of the heater to cope with a different shower head and theres no way for me to 'tryand error' in this case. I guess better not take the risk

Is there a quick way for me to detect the current water pressure by DIY?

Thanks for the reply kimsim. Took a look at rinnai website, is this the one u meant?



Tried looking for the spec details of the shower head but couldnt find any on the website. Any suggestions on where to get the unit?seldom see rinnai heaters so far in kl

Looks like ill have to settle for the default rain showers from heaters for now. Ill go for the biggest one i guess..
Rinnai looks good

Oh and thanks for sharing ur bathroom setup! Looks great with the centralized water system u have there. I could only dream of having that for now.hehe.

This post has been edited by aztechx: Nov 17 2014, 05:12 PM

Wanna enjoy rain shower, have to invest something wow.
If the normal shower head, quite cheap at round Rm400 you can have a Pana better one already

Go SengQ you can find out what is the price tag.
Very impressive look

Went to senq a few days back and all they had were the alpha rain shower series which were the weird bended small rain shower. Didnt really like it. I think ill try to take a look at another outlet.

I was initially planning to get a setup like yours the 'budget' way but i guess you get what you pay for applies well here..

Thought of getting any instant heaters with rain shower and refitting the head with something like this for an additional rm400.is it advisable?So heater plus shower combo might cost me around 1000-1200. With that budget i guess that might be the best choice i have. For the centralized system i might consider it 4-5 years down the road when i renovate my bathroom.


Lelong link

If incoming water are low pressure, even putting instant water heater with pump you won't get much improvement, I would say minor improvement. Unless the supply pump are powerful which I doubt. And another problem come with water flow too fast you won't get hot water, even warm water is hard when rainy day.

When you have a rain shower, the shower heard install above the pump, that making the instant water heater pump work harder and reduce the pressure.

This post has been edited by weikee: Nov 17 2014, 05:24 PM

I knew Alpha got some complain, after you push n stop water, once you turn on again, the water will be suddenly too hot like burning your body, after while become cold and keep warm to become hotter.

Pana will be slightly hot only.

But when used centralized totally change my life's

This post has been edited by kimsim: Nov 17 2014, 05:36 PM

Sad to said, you have to forget your plan. The instant heater with pump is not enough pressure for this big shower. The small pump is not strong enough. The big shower require high flow rate at least 2.5bar.

The minimum requirement is storage heater.

But for storage heater, will the water pressure be high enough?

For storage heater, the pressure is from the main pipe. And probably not enough also.

For such a big shower, it require 3/4 pipe size. Instead of normal 1\2.

Not really lah, come with such built in pump can easily take the water pressure, not as strong enough but just right.

Also depend which area, if tap water already not strong enough then better used the smaller head to be save some money.

This post has been edited by kimsim: Nov 18 2014, 08:18 AM