# NIBCO 4703-005 Water Supply Coupling 1/2 inch KV/SV

**URL:** https://aio.lv/en/product--nibco-4703-005--4917590
**Data updated:** 2026-06-10 09:28 (EEST)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** NIBCO
**Manufacturer code:** 4703-005
**EAN:** 5908257152815
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 2.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nibco-4703-005--4917590

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 4.99 EUR |

## Summary description

The NIBCO 4703-005 is a professional-grade water supply coupling designed for secure and reliable pipe connections. Featuring a 1/2 inch size, this fitting is engineered for durability in residential and commercial plumbing systems. It ensures a tight seal for water distribution lines, providing long-lasting performance and ease of installation for various plumbing configurations.

## Long description

The NIBCO 4703-005 water supply coupling is a professional-grade plumbing component designed to provide a secure and reliable connection for 1/2 inch pipes. Engineered for both residential and commercial water distribution systems, this coupling ensures a tight, leak-resistant seal that maintains the integrity of your plumbing infrastructure over time. Its robust construction supports consistent performance in various water supply configurations, making it a dependable choice for plumbing professionals and DIY enthusiasts alike.
Advantages
This coupling stands out due to its high-quality manufacturing standards, which ensure long-term durability and resistance to the stresses typically found in water supply lines. The precise design facilitates a straightforward installation process, reducing the time and effort required to connect pipes securely. By providing a consistent and stable fit, it minimizes the risk of leaks and maintenance issues, contributing to the overall efficiency and safety of your water distribution system.
Suitable for
Residential water supply lines
Commercial plumbing installations
Repairing or extending existing 1/2 inch pipe systems
New construction plumbing projects
When it may not be suitable
This coupling is specifically designed for 1/2 inch piping systems and will not be compatible with pipes of different diameters. It is intended for standard water supply applications and should not be used in high-pressure industrial steam lines or systems carrying corrosive chemicals that exceed the material specifications.
Key specifications
Connection size: 1/2 inch
Application: Water supply systems
Compatibility: Standard plumbing pipes
Design: Secure coupling fitting
How to use
To install the NIBCO water supply coupling, ensure that the pipe ends are clean, deburred, and free of debris. Align the coupling with the pipe ends and apply the appropriate joining method according to the specific pipe material requirements. Ensure the connection is fully seated to guarantee a watertight seal. Once installed, perform a pressure test to verify that the connection is secure and leak-free before fully integrating the line into your plumbing system.
What to consider before purchase
Verify the outer diameter of your existing pipes to ensure compatibility with the 1/2 inch size.
Check local plumbing codes and regulations to ensure the fitting meets regional requirements.
Ensure you have the necessary tools for the specific pipe material you are connecting.
Usage recommendations: Always inspect the coupling for any signs of damage before installation. It is recommended to use professional-grade pipe sealant or tape if required by the specific pipe material to further enhance the reliability of the connection.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.018 kg |

## FAQ

### How much does the NIBCO 4703-005 Water Supply Coupling 1/2 inch cost, and is it available for purchase?

The price is 3.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 75 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 25.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All NIBCO products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized NIBCO service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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