Maintenance and cleaning of products
  1. When you notice weak or irregular water flow from the outlets and showerheads, you should proceed with descaling them. (Failure to clean promptly can damage internal parts and cause showerheads to crack.)
  2. To maintain the appearance of the faucets, clean them daily or weekly using a soft cloth and a solution of water and soap, diluted vinegar, or products recommended for this purpose.
  3. For descaling the holes on the showerhead and the outlet mesh, you can use vinegar. (The usual time for dissolving deposits in vinegar is about 10 to 12 hours.)
What items are not covered by TheOne product warranty?
1. Damages caused by improper transportation, installation by unqualified personnel, using inappropriate wrenches during installation, cleaning with unsuitable tools, impacts, and breakage. 2. Damages resulting from contact with or cleaning using chemicals and detergents with high acidity, as well as exposure to their vapors (such as bleach and hydrochloric acid). 3. Damage caused by sand and gravel present in the pipes. 4. Travel, transportation, and consumable installation costs are the responsibility of the buyer.
Warranty conditions
  1. The warranty is limited to defects arising from parts, materials, and product assembly that occur during proper use within the warranty period, covering free replacement and repair of parts.
  2. During the warranty period, replacement and repair of parts must only be performed by authorized technical experts of the company.
  3. Presenting a completed warranty card provided by the seller or a valid purchase invoice is mandatory when requesting service.
How should faucets be cleaned?
To clean faucets, you can easily wipe their surfaces using a soft, damp cloth, but avoid using abrasive pads or brushes along with acidic or chemical detergents. Alternatively, you can use a mixture of water and white vinegar as a natural and effective solution to clean and remove water stains and deposits from the faucet surfaces.
What is the warranty period for TheOne faucets?
TheOne faucets are offered with a reliable warranty, reflecting confidence in the high quality of their products. The warranty period for TheOne faucets is 5 years.
How to activate the warranty for TheOne faucets?
To activate the warranty for TheOne faucets, simply have the warranty card included in the product box stamped and signed by our sales representatives. Once the card is stamped, your warranty is automatically activated. To receive warranty services, you must keep the product’s serial number, as it serves as a unique identification code for your product and allows the company to verify purchase details and warranty conditions, ensuring better after-sales service.
What factors contribute to increasing the lifespan of TheOne faucets?
Contact of faucets with corrosive or acidic chemicals such as bleach or strong descalers can damage the faucet’s coating. By avoiding these, you can increase the lifespan of sanitary faucets.
Where are the internal parts of Duvan faucets made?

The entire production process of Duvan faucets (from initial design and manufacturing to quality control and final packaging) is carried out entirely in-house and under the supervision of the Duvan team.

Where is TheOne product made?
TheOne is a completely Iranian brand that proudly designs, manufactures, and markets its products domestically. All production processes, from selecting high-quality raw materials to utilizing the latest global technologies, are carried out at TheOne’s equipped industrial complex.
What materials are TheOne faucets made of?
TheOne faucets are made using high-quality and standard raw materials. The main body of TheOne faucets is produced by two methods: gravity casting and extrusion of geometric profiles, using brass alloy with a high-standard analysis.
What is the useful lifespan of TheOne faucets?
Considering the high quality of raw materials and strict production standards, TheOne faucets can have a long lifespan, and it can be said they are lifetime products, provided that proper installation and maintenance principles are followed.
Does the color of TheOne faucets change over time?

No, the color of TheOne faucets does not change over time. TheOne faucets are coated with high-quality finishes such as nickel-chrome, which prevent discoloration and surface corrosion.

Modern technologies in TheOne sanitary faucets?

The casting method uses induction furnaces.
Machining is performed with 100% Japanese CNC technology.
Coatings include:

  • Electroplating with nickel and chrome using digital systems,
  • Vacuum coating (PVD),
  • Ceramic coating using modern global techniques under TheOne's quality assurance,
  • Oven baking with top materials from electrostatic paint brands.
Why choose TheOne brand?
Years of experience and reputation, along with diverse designs, have made TheOne one of the trusted and popular brands in the faucet industry.
Is it possible to purchase TheOne products through the website?
Yes, TheOne products can be easily purchased through the brand's official website. Customers can visit this link (link the homepage to the words "this link") to view various products and review complete information, including features, technical specifications, and prices.
Where can I see the prices of TheOne products?

All prices are visible on TheOne store page.

Are the prices the same across all TheOne dealerships?
Yes, at TheOne, efforts are made to ensure that product prices are consistent across all official dealerships; TheOne's product pricing is based on a centralized system coordinated with the sales organization to provide customers nationwide with a seamless purchasing experience.
Does TheOne have dealerships throughout Iran?
Yes, TheOne has sales representatives in most provinces of Iran, and the complete list is available on the website.
Where can I get TheOne products?
You can get TheOne products from the website as well as the company's dealerships.
Do TheOne products meet quality standards?
Yes, all TheOne products are manufactured with strict adherence to the highest national standards. This brand uses high-quality raw materials, advanced technologies, rigorous quality assurance processes, followed by a quality control team, and the QCP quality control process to ensure each product meets the highest levels of performance, durability, and safety. In the assembly unit, all faucets undergo sealing tests, and product audits are conducted in the warehouses, which is one of the responsibilities of the quality assurance manager.
What is the useful lifespan of TheOne faucets?
Given the high quality of raw materials and strict production standards, TheOne faucets can have a long lifespan and can be considered lifetime, provided that proper installation and maintenance principles are followed.