Dear all Lowyat.net forumers,

I am interested in getting / replacing my electric water heater into gas type water heater as i check that my bill is quite high due to taking long hot shower.

Anybody that have experience in using gas type water heater do please let me know. Thank you.

Check out Rinnai.

yes - can recommend the rinnai infiti 26 for whole house. they also have POE type which is a lot cheaper (around 500 vs. 1600). infinit 26 is running well for the past 7 yrs for my house. only had to change PB-board this year due to lightning creeping inside (they say - i think it shorted somehow cause i have whole house lightning prorection). added an extra line of protection now just in case they are right. otherwise very good low gas consumption, preset temp as you like it and zero other maintenance costs.

Thanks

Thanks

Hi, assuming your using the normal cooking gas tank, how long would a tank last.

I think if you want to use gas for water heating it's probably better to use mains gas. But I'm also curious to know how long a canister would last too.

I also interested to know how one gas cannister can last for how many days.

Hi PJusa, do you heat it to 55 or 50? One good thing about gas I heard is that because it's only heating up to 50 deg, hot water is out of the pipes fast. What line protection mechanism is in use? isolators or surge protectors?

you can electronically set the temp (or at the heater itself). i added a fine surge protector just in case.

PJusa, what do you mean by POE type? Is it Rinnai also?

POE = point of exit. this model: http://rinnai.com.my/product/category/10/67 was my first one. just for bathroom.

now whole house is this one: http://rinnai.com.my/product/category/10/70

PJUSA,

If rinnai is used with a tank and pump does that affect the pressure going upwards as rinnai is downstairs and all bathrooms are upstairs.

We solve the cold water pressure issues with a pump. But am wondering how the rinnai will affect it.

Thank You

Hi, depending on how often and how many persons in your house bathing with hot water. I would say on average, one 14kg tank of LPG can last at least two months if you didn't share with other appliances.


Regards,
Lee
greenseedwaterheater.com.my

If my house has only two bathrooms used by 2 adults and two kids, no other usage for hot water, would it be feasible to install a gas water heater system? Usually where will the water storage be put? Are there such thing as instant gas heating without having the need of a tank?

Anyone know the supplier of this Rinai model and the contractor that can install it ? THANKS

If you want to save, yes. Gas heater can last very longtime.

The 1 selling here is instant gas heater. Not storage. If external, normally install at the back of the house.

My dad's quite adamant that a gas heater isn't safe but seriously, how much safer is a gas canister hooked up to your stove?

You ask him, how many news he read about gas kill someone vs get electrocuted.

Funny enough I used those exact same words but he insisted on a DC instant heater from Seers (he just bought an instant shower heater).

You can check runnai website or contact their customer service. You can also check with rinnai stove seller if they do it.

Gas heater have been long here before you born. Surprise your dad didn't no. Gas heater are popular in 70's, 80's and early 90's. Before electric instant heater takeover.

Exactly! Still, can someone help me weight pros and cons of gas vs dc electric if we're gutting our entire house and starting from scratch? 1 storey terraced to 3 (office on grd flr).

Dad already bought. Just use la.

Can't tell much for the DC instant heater like seers. Cause I never see before inside component. The safe is told by the seers saleman only right?

If you have chance to see the install, try take some picture inside the seers heater and post here. Would like to learn something inside.

He's only bought 1 so far. When I see their booth at our next home reno exhibition I'll grab some photos of the demo model for you since we haven't taken delivery yet.

Although another thing we can take a look at is Rinnai's Solar System (they have gas or electric boosters in addition).

Thanks for the info ozak!

I'm contemplating gas heaters because I've seen and heard many cases of instant electric water heaters gone spoilt. One is in my aunt's hse, the thing always trip but she still can use some ways to make it workable. That sound very scary!! My dad's place the heating element won't work anymore but OK after repairs (aged product).

Another I've seen, the heater spew out steam even after the water is turned off! At my father-in-laws' house, the unit won't stop flowing out water even if the unit is turned off after maybe half a minute. Not sure what is happening? Maybe the valve problem? Anyone can shed some light on this? Told the old folks to change the units but they still insist can be used after repairs.

Those are all from the reliable "P" brand that some forumers recommend! So far, no serious accidents yet but I really don't want to take chances.

Since I'm changing all my pipings (meaning will hack some walls), prob it's a good idea to change to gas heater? I think instant electric heaters are best for hassle-free installation that is why most people buy them instead of going for gas heater?

This is normal for old people thinking. Brain already hard. What I do is just go ahead get a new 1 and replace it for them. Force them to accept the new thing. They can't do anything.

You mean Panasonic? Panasonic is famous with the water heater and reliable. They manufacturing water heater for very very long.

I practice by not off the heater immediately after bath. Off the heater knob till the cold water flow out. Than of the pump or close the water flow. This help increase the lifespan of the heater element and safety reason in case 2nd people use it.

If you plan to change piping and include gas heater, there is nothing about "best for hassle-free installation " for any heater installation. Cause the piping is ready. Once the piping done, install the gas heater is as easy as install the instant heater. Just go to Rinnai shop, ask how the plumbing do, placing of gas heater for the model that you indent to buy.

I like to see inside the heater. Open out the cover and take the picture. More detail the best.

They is some forumner here said this seers instant heater is bullshit. They use another type of heater and claim all are safe. You can search for it.

Haha I did contemplate jz get a unit for them but it's ppl house wor, need to install anything aso they must do it themselves.

Yep all panasonic, not to say the brand no good, in fact can last many yrs but users must check every now and then. If faulty already I think shud change it jz in case.

Thanks, will really go to rinnai shop to check it out since now I'm leaning towards gas heating. But my gas is put outside d hse, i think might need longer piping. Changing tanks aso more hassle cos need to get out of d house? Haha cant have the best of both worlds eh?

This post has been edited by kshereen: Dec 23 2014, 12:53 PM

If you using gas hob for cook, you can combine the gas hose into 1 tank. That is much more easy to maintain and change gas. Just ask the installer to use copper pipe to combine into your gas hob gas tank.

Keep 2 tong gas where 1 is spare.

Well, that is my other concern which i got no idea how to solve yet. My tong (n spare) will b put behind d house backlane. If no gas already wanna change to spare then need to go out n change manually? Safety also a concern, need to lock the chamber with metal door, will thief always come n break open the door to steal the tanks? Some suggest can combine hose to 2 tanks without manually switching but that means I got no more spare tank. When no more gas, I have no gas to boil hot water nor water heater to heat water!

Used gas heater, doesn't meant can saving much...than electric heater.

Once is forgoted to turn off heater, they would be cook all day long, mean buy gas more trouble than used electric one...

One day how many time do you taking bath?
Like electric storage heater tank after switch on 30-45mins can last whole day, if you didn't used mixer for hand wash.

This post has been edited by kimsim: Dec 23 2014, 02:26 PM

Based on some users here, one tong can be used for about 2 months. That is much cheaper and more energy efficient.

1 tong = Rm29 / 2 = 15 per monthly is quite ok.
But just need to change gas and call for delivery gas else.

What your present location of the tong gas for the gas cooker? Just use that tong gas combine with your gast heater.

The spare tank just standby if run out of gas.

My house still under major renovation. The kind that ripped off roof and sort of build again. My contractor suggest putting the gas tanks outside. I'm thinking of what kind of extensive piping if get the gas in from outside. Contractor says just use flexi piping, make a hole thru the wall into my gas hob. Between the bathroom and kitchen is the store room. Then I have another new bathroom in the back room also, next to the kitchen.

This post has been edited by kshereen: Dec 23 2014, 06:44 PM

Suggest you search at the product first, I was told by a friend rinnai may stop selling gas heater here in Malaysia due to low demand, I can't verify this but just FYI. Do check with them if you intent to get rinnai.

Thanks for the info weikee!
Will try to check it out this weekend. Too bz too much things to consider for renovation.

Backlane wor? No scare thieft meh.

Nothing extensive. Just easy copper pipe deliver the gas.

Habis la. No more gas heater for you.

Anyone here got suggestion / ideas where to get installer for Rinnai Gas Water Heater for homes ? Desperate here.

You need to ask Rinnai to recommend, or maybe they have. The old plumber will have experience installing it.

My brother Condo in Singapore all come with gas heater, I check their plumbing, it not that complicated.

Thanks, will ask Rinnai then

Yalar I also don't like the idea of putting at the backlane but contractor will build a chamber with metal door + lock. My concern is also when no gas already need to go to backlane to change. Also, whether it is really safe, whether thief will break the metal door and steal the tanks. Only plus point is that when gas delivery man comes, no need open the door for them to come in.

Aiseh, if Rinnai not selling the product anymore then no chance to experience the gas heater system lah! I came across this company > http://greenseedwaterheater.com.my/
Emailed them, no reply also.

Just place the tank inside the kitchen cabinet la.

Since you redo the piping, maybe can consider solar heater.

Yalar, I wanna convince my hubby to scrape off the "tank outside the house" idea.

Got consider solar but calculate too costly and when the solar panel not effective anymore it'll be a problem also. I want a long term solution that is more hassle-free. Furthermore, I read about the panels being health hazards as it causes electromagnetic radiation and other chemical hazards. For me, that's not worth the risk.

This post has been edited by kshereen: Dec 24 2014, 06:55 PM

Solar water heater w gas as backup is as good as off-grid. Payback accelerates if there's a large household.

The golden opportunity is where you are now: repiping. If it were me, even if not investing in solar now, if you know what to do, you could prepare it for future. Solar is best installed oriented along South-South West where it take advantage of daily solar path (E to W). There are two basic designs in the world after the patent owners: Ishibashi (1976) and Teoh's co-axial multi-valve (c 1990s). Of the two Teoh's design is better. His company is Microsolar and I can attest it is very hot. For me, it took 3 continuous sunless and rainy days before it needs to activate backup but I had none. Even after that even a cloudy day, there's still hot water. But user experience with Microsolar in this forum varies. Fortunately, I did my own inspection while they install and had photos as evidence as a tile was cracked but that was a over 30 year old dwelling.

Best is copper so that it can withstand hotter than 80 degrees. What's important with hot water, ensure sand, mud and silt is minimised ie tangki is clean. An outdoor membrane filter or sediment filter helps with that.

In Europe and UK, there's something called flue gas heat recovery systems helps recovery waste heat to pre-heat incoming cold water reducing gas consumption. In Canada/US because wooden super structure is prevalent, as well as recirculation tank boilers, they employ a loop around the shower drain tube where waste heat from waste shower water is recaptured by the incoming cold water otw to the boiler.

If you are to go solar route, it's not unusual to consider some sort of a directional sprinkler spray system that can direct clean water on the glass tubes or collector panels. This is because of the seasonal haze we face. An unclean surface reduces solar heat capture. I would suppose a branch off along the cold supply just before the check (non return) valve with a quarter turn isolation valve fitted inside the roof space. This needs a little thinking but if done right would ensure that the class stays clean and also reduces roof top visits.

Just my 2sen.

This post has been edited by halcyon27: Dec 25 2014, 05:06 PM

Solar is probably a good bet for the future as electricity rates are likely to go up in the future. My contractor did voice advise on the weight that the roof can withstand and cost of installing a solar system (my household is not big). Was contemplating gas heating system to reduce cost and also it seem safer than electric water heater. If gas heating system is not popular in Malaysia, might forgo the idea as I might not be able to get service and spare part for the system.

Appreciate your feedback and advice. Will definitely use this knowledge in making my final decision. Thanks!

You can consult the solar heater maker to have a check. They will tell you can or not. Mostly have no problem. My friend house which already over 30yrs old have no problem install a Microsolar heater which weight is 500kg. And their household is only 4person for such a 8person capacity.

The plumbing cost is same compare gas heater and solar heater. If you already done with the gas heater piping, you can use it for solar heater too.

The only cost compare is the gas heater vs solar heater. A centralize gas heater probably cost 1.6k-2k compare to solar heater 5k. This will definitely turn you off. But don't forget that solar heater don't have operating cost. While gas heater still require gas to run. Do some calculation is it justify or not.

Contractor replied : "never heard of gas water heater wor..."
Piping alone he says 3k. There's wiring cost too. Probably to deter us from diverting from initial plan as he started d plumbing work d.

This post has been edited by kshereen: Dec 30 2014, 08:46 PM

Hi, I am Greenseed Gas Water Heater guy Sorry for late reply as our website is doing upgrading. The email system down for weeks. Now it is up with updated products for centralized hot water system both commercial and residential use.
Please PM me if you got any question regarding gas water heater.

Regards,
Lee
greenseedwaterheater.com.my

Solar heater definitely worth it in long run...electric and gas will increase in price over time...

So far have not turn on before the backup power...last week the weather is very hot...the water also smoking...haha

Looking for rinnai gas water heater. But seems like perfect living, rinnai dealer also not familiar with this prod.

Anyone know where can inquire and price pls?

So anybody using gas type water heater? Either from Rinnai or Greenseed?

Widely used in coin laundry these days

[quote=larrytty,May 12 2017, 07:51 PM]
Widely used in coin laundry these days

[/quote

What i mean is at home not commercial

Am looking for gas operated water heater here. Checked on Rinnai website, cheapest for residential use is RM3k+ Those made in China which you can find it in Lazada website is much more cheaper. Problem is how safe they are to use, and where to find a plumber that knows how to assemble and convert to use a gas canister. Anyone here can help shed light(s)?

You want safe ? Better get from Rinnai. Rinnai will recommend a installer for you.

It using tong gas.

Zenne has this model.

Digging up this from the past. Im looking at Bradford gas water heater. Anyone have experience with this brand? Looking at this model bradford rg250t6n

Geysers are very much useful during winter. I have recently bought a gas geyser from Select4You.