FAQ

FAQ

Water Pipe Endoscopic Inspection

We use an endoscope to inspect water supply pipelines. Normally, we inspect the water supply pipelines near the sub-meter and within the household.
*The inspection is conducted in the presence of household members.
*The household endoscopic inspection is usually conducted at one faucet.
*The whole inspection takes about an hour.
>Please click here for details.

PRV(Pressure Reducing Valve) Replacement

We offer replacement of PRVs to prevent performance decrements.
*PRVs are used to adjust the water supply pressure.
*The average service life of PRVs is 8~10 years.
*The replacement work does not require the presence of household members.
*The replacement work takes about an hour.
*Notice will be given before and after the work. Water will be suspended during the work.

【After Replacement Work】

Please use a bathroom basin faucet first to flush the dirty water sufficiently from the water supply side. Please note that there may be air entering the piping and water may come out vigorously.

Water Pipe Cleaning

We clean the inner surface of water supply pipelines by using organic acid and ozone.
*The cleaning work takes about 1~1.5 hours.
>Please click here for details.

Water Pipe Replacement

We replace and renew the existing water supply pipelines for condominium buildings.
>Please click here for details.