Upgrading your bathroom sink from a single basin to a double basin can not only enhance the overall look of your bathroom, but also provide functional benefits. However, this conversion requires proper plumbing to ensure efficient water flow and drainage. In this article, we will discuss the top 10 plumbing options for converting a single basin to a double bathroom sink.Single basin to double bathroom sink plumbing: A Comprehensive Guide
Before you start any plumbing work, it is important to assess your current plumbing system. This will give you a better idea of what needs to be done and what materials are required. You may need to consult a professional plumber to help you with this step.1. Assess Your Current Plumbing System
One of the main components of converting a single basin to a double sink is installing a new drain line. This is necessary as the current drain line may not be able to accommodate the increased water flow. It is important to ensure that the new drain line is properly connected to the main sewer line to avoid any potential issues in the future.2. Install a New Drain Line
With a double sink, you will need an additional water supply line to provide water to the second basin. This can be done by branching off the existing hot and cold water supply lines or installing a new one altogether.3. Add a New Hot and Cold Water Supply Line
If the space allows, consider installing a wider faucet that can reach both basins. This will not only add a stylish touch to your bathroom, but also make it more convenient to use both sinks at the same time.4. Consider a Wider Faucet
To ensure proper drainage, it is important to install a dual-sink drain assembly. This is a plumbing fixture that connects both basins to the main drain line. It is recommended to choose a high-quality dual-sink drain assembly to avoid future clogs or leaks.5. Install a Dual-Sink Drain Assembly
The P-trap is the curved section of pipe under the sink that prevents sewer gases from entering your bathroom. With a double sink, you will need a larger P-trap to accommodate the flow of two sinks. It is important to choose a P-trap that fits your sink's drain size and material.6. Upgrade Your P-Trap
If you are limited on space, consider installing a wall-mounted faucet for your double sink. This option not only saves counter space, but also adds a modern and sleek look to your bathroom.7. Consider a Wall-Mounted Faucet
Flexible supply lines are a great option for connecting your new faucet to the hot and cold water supply lines. These lines are easy to install and can be bent to fit your specific plumbing needs.8. Use Flexible Supply Lines
If you are planning on converting to a double sink, it is important to make sure that your vanity can accommodate both sinks. Consider investing in a double sink vanity to ensure proper installation and functionality.9. Install a Double Sink Vanity