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Home » Reader question » Reader question: Sizes of faucets in Thailand
Reader question: Sizes of faucets in Thailand
Dear readers,
I am going to emigrate to Thailand next year. Now I have my own cranes for my house yet to be built. Are the sizes the same like 3/8″. 1/2″ 3/4″ and for drains 32-40-50 mm can we guide me through this?
PS does import tax also have to be paid and how much?
Many thanks in advance
Regards,
huub
The same sizes apply to taps in Thailand, also to the drains. Only copper water pipes are not used, but PVC, nothing wrong with that, and nice and cheap.
I sometimes tinker with the plumbing in my wife's house in Northern Thailand. I buy all materials on site. Plenty of choice and usually cheaper than in BE/NL. I avoid the very cheap materials. The quality is too substandard.
I buy the bulk of stuff in a shop that does it itself, such as Home Pro or Thai Watsadu. I have to drive about a hundred kilometers for that. A good planning and ditto list of the necessary materials is then the message.
Sometimes I still miss something small to fix the job. Then I buy that in local smaller shops.
I recently brought a kitchen mixer tap (Hans Grohe) to Thailand. It fits on the sink.
I don't get the impression that Thailand "jumps out of the box" when it comes to sanitary facilities.
I have had my thermostatic taps from Grohe in the Netherlands overridden, mixer taps galore, but thermostatic taps are rare. Now I think I once saw a Grohe factory on my way to Bangkok.
If you take a look at Lazada and type in Grohe, you will come across a whole range of faucets from this brand.
Just an explanation of Lazada, this is an online shop. Almost everything is for sale here, even what you cannot find in many stores. Most items are pay on delivery, so there is no risk of not receiving anything after payment. Recently ordered a workmate from Black and Decker and sovereign drills that I couldn't find here.
we do want to use copper pipes in the construction of our house, but we buy the special quick couplings in Europe. and indeed, the sizes are the same as in ours. (Happy)
Why??? afraid it will freeze? I have had blue plastic pipes everywhere for 9 years, even on my compressor with a pressure of 12 bar, it has never been a problem, and!! much cheaper to purchase and install.
Copper is better as a hot water pipe
In Europe too, people have been wanting to abolish the use of copper as sanitary pipes for years and more and more plastic is being used, such as Uni-pipe. The reason is too high copper concentration in the drinking water.
The big disadvantage of PVC water pipes is that over time these pipes become pitch black on the inside, just dirty and impossible to clean. Plenty of bacteria. I also use a water filter.
The water pressure in Thailand is lower than in the Netherlands, which is why it is possible here with plastic pipes, including PVC. I don't see the point of copper pipes. I have visited many hardware stores, but I have never come across copper pipes. The larger hotels and apartment complexes do use steel pipes to which the fire hydrants are connected, due to more pressure. I agree with AlexOuddiep, build in Thailand as much as possible the Thai way. If this is done properly there is nothing wrong with it.
The water pressure at the main meter supplied by the Dutch water companies is 2,5 bar. Every meter higher gives a pressure loss of 0,1 bar. The recommended minimum pressure at a tap (tap) is 1,5 bar. At 1,0 bar (= the air pressure) or less, water no longer comes out of the tap.
In Thailand the pressure is often (much) lower.
You can measure the water pressure provisionally by connecting a long hose to the water pipe (tap) and then holding the other end of the hose so high that no more water flows out. You then have a water pressure on the tap of approximately (height difference (m) x 0,1) + 1,0 bar.
I have read that a copper water pipe prevents harmful organisms from growing in the biofilm. Harmful organisms (including legionella) can grow in the biofilm in PVC pipes, and this is going fast with the Thai temperatures.
I haven't visited many hardware stores yet, but DoHome did have copper pipe in March 2016 in sizes 7/8″ (881฿/length), ¾” (727฿/length), 5/8″ (556฿/ length), ½” (379฿/length) and 3/8″ (268฿/length) in the range.
I agree that you should start from the Thai architectural style and building materials as much as possible, but I am still unsure about the choice between copper or plastic (uPVC, PE) water pipes.
On Samui where we live, even the main pipes up to the water meter are made of plastic, from the water meter a plastic pipe goes to a plastic storage tank. The largest part is therefore made of plastic, so you would only use copper indoors. Legionella can also develop in a copper pipe, but less likely than in a plastic pipe. Since the water pressure leaves much to be desired, a storage tank with an automatic water pump behind it is recommended. If the tank is large enough, you will not be without water if there is no water (pressure) for a while. The machine that heats water also needs sufficient pressure to work. Buy one that warms up the water enough, so not a cheap one.
Lung Addie talks about the green pipes, which have largely been used in our house. Over time, the automatic pump started regularly, which indicated a leak. Fortunately, they had installed 3 valves behind our house, for the outside, the bathroom and the kitchen. It was easy to determine that the leak was not in the bathroom or kitchen. The concrete floor was cut open in two places behind the house, but the thermal installation did not go completely well. Later I wanted an extra connection in the garden for a garden hose, you can do that yourself with the blue PVC pipe, but not with the green one. So first find someone who has the device for the thermal connection. It cuts through the green main pipe and then the device does not work. So that was two days without water, fortunately no disaster with a 2000 liter water tank for storage. The green pipes (couplings) may be better, but they are not very practical.
If you are preparing for the construction of your 'own' house, it is practical to buy the necessities locally if possible: you avoid problems with dimensions, etc., and make the work for possibly. local forces more easily – also with subsequent expansion.
As far as electricity is concerned, European standards for larger homes are intissen standard and mandatory, at least in my province of Chiangmai.
Yes Grohe produces in Klaeng near Rayong.
https://www.grohe.com/29398/about-company/about-grohe/
https://www.grohe.com/th/
For the connection of a washing-up bowl via a siphon dia 30mm to the pipe in the wall, I did not find the appropriate coupling piece anywhere that closes perfectly. Then bring the white PVC coupling with rubber ring at the front from Belgium, so that the metal tube of the siphon fits perfectly, closes and can be removed cleanly if necessary. There is no such solution here. And indeed, it is best to bring thermostatic taps and sink taps of good quality. Just in my vales.
Be sure to bring a pair of pliers with which you can secure the tap; under the sink / washbasin, they don't have them here and therefore often "loose" taps
A plumber will know what I mean.
If you use bath or shower mixer taps, make sure there are s couplings 1/2 to 3/4 because sizing in Thailand is a question mark. If you use thermostatic taps, you can also use a continuous flow device instead of a boiler, minimum power 6,5 kW and pressure-resistant, check before you buy whether it has a copper boiler and a flow switch, so no pressure switch. With a flow switch, the heating will not turn on if the water pressure drops. No non-return valve in the supply. Flow switch works with a magnet and reed switch..
If you just want to shower simply with a shower head, you can also do this with a flow app. of 3,5 kW open/close tap in the cold water pipe. Have made this several times with friends. Have thermostatic shower mixers yourself.
Be good luck
Dear Hub,
I would like to comment on the usefulness of copper pipes (if it concerns a drinking water pipe).
Copper pipes that prevent bacteria from developing in the pipe are an often overlooked reason.
The other comments about half 1/2″ and 3/4″ connections, I think these are the same worldwide
The name of the screw thread is abbreviated BSP which stands for British Standard Pip often in the BSPT version.
Yours faithfully,
The legionella bacteria can also occur in a copper pipe, so what you say is not correct.
For warm (hot water) there is a different type of PVC pipes here. These are green instead of blue. There is nothing wrong with the blue tubes themselves, it is the glue that can cause problems at high temperatures. The accessories for these green pipes are therefore not glued but mounted “thermally”. You do need special tools for this, but you can rent these in specialty stores for one or more days. This method is very reliable and much easier than working with copper pipes. The risk of an unreliable solder joint is much greater than the risk of a poor thermal joint, which is virtually nil. When cold, the accessory does not even go over the tube. The accessory is heated with the special tool, expands and then goes over the pipe. After cooling, the shrinkage of the accessory ensures a very sturdy and watertight connection.
For the rest I can say that 1/2″ 3/4″ 1/1″ …. is the same everywhere. For stainless steel and copper mm sizes are maintained, so if you work with copper pipes you will need transitions from mm to English sizes everywhere because all taps and other accessories have standard English sizes.
I think it is just as important that you take the entire power supply with you... sockets and switches from Holland are indestructible, and you can also make Dutch earth sockets throughout the house. The quality in Thailand is downright bad. When purchasing Thai electrical equipment, it will have a Thai plug, but the Dutch earth plugs are for sale in Thailand, so please transfer it.
When purchasing electricity, it is important to do this yourself and not leave it to the contractor. Cheap and poor quality materials are often purchased, but the bill is high. I have purchased everything from Häfele and Panasonic, among others, and I don't know what is wrong with this.
Within a year, I have replaced the Philips outdoor lighting at the neighbor's house because it was falling apart. My Philips bread maker gave up the ghost after four uses and could not be repaired, with a two-year warranty and money back guarantee. So a Dutch product doesn't mean much to me.
Edward why don't you advise them to bring a whole house? that is just as nonsense as what you advise now, here is very good material to buy the better DIY stores, Global, Do Hom, Thai Watsadoe. Just like the advice to bring pliers, what I read, apart from the good stuff, a lot of nonsense, probably from people who have never worked.
hans willemsen
warin chamrap
I know chatting about a topic shouldn't get out of hand, but I think this is a response to my heart. I thought it was too cynical to advise to bring the cement, reinforcing steel and roof tiles from the Netherlands. Our house was built by Thais with all materials bought here, and it is a top house. Some people still have the idea that this is a third world country.