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Here’s All You Need to Know About How Showers Work



Start your day with an essential part of your daily routine – the invigorating shower! Ever wondered how this refreshing experience comes to life? In this guide, we unravel the fascinating process behind showers, from the simple turn of the faucet to the cascading flow of water. Explore the intricate plumbing that brings water to your bathroom, and discover the myriad of shower types available today, each offering a unique bathing experience.

Get ready to be amazed by the inner workings of showers as we delve into the mechanics and magic that make your daily shower a delightful journey.

Let’s get started.

I. Water Supply

  • Main Water Line: The shower’s water supply starts at the main water line, which provides fresh water to your home from the municipal water supply or a private well.
  • Water Heater: Before the water reaches the shower, it passes through a water heater. The water heater raises the cold water temperature to a comfortable level for bathing. There are two main types of water heaters: tankless and tank-based. Tankless water heaters heat water on demand, while tank-based heaters store and heat water in a reservoir, ready for use.

II. Shower Control

  • Faucet and Mixing Valve: Once the water is heated, it is directed to the shower control, typically as a faucet. The faucet includes a mixing valve that blends hot and cold water, allowing users to adjust the temperature. When you turn the faucet on, the mixing valve opens, allowing the water to flow.

III. Showerhead Operation

  • Water Flow: The water travels from the mixing valve through the showerhead pipe connected to the faucet. As you turn the faucet handle, the water flows through the showerhead pipe and emerges through the showerhead.
  • Showerhead Types: There are various types of showerheads, each providing a unique showering experience. Common types include fixed, handheld, and rainfall showerheads. Fixed showerheads are mounted to the wall or ceiling, providing a consistent water flow pattern. Handheld showerheads are attached to a flexible hose, while rainfall showerheads offer a gentle and relaxing shower experience.
  • Water Pressure: Water pressure is crucial for a satisfying shower experience. The water pressure is determined by factors such as the height of the water source (e.g., a water tower or pump) and the plumbing system’s design. Proper water pressure ensures a strong and refreshing flow from the showerhead.

IV. Drainage System

  • Drain: As you enjoy your shower, the water flows over your body and into the shower’s drain. The drain prevents water from pooling and efficiently directs it to the drainage system.
  • Plumbing Drainage System: The water that goes down the drain is connected to the plumbing drainage system of your home. This system carries the used water (wastewater) to the municipal sewage system or a septic tank, where it is treated and processed.


Showers are a testament to the marvels of modern plumbing, providing us with a refreshing and enjoyable bathing experience. Showers work involves a well-coordinated system, from the main water supply to the water heater, shower control, and showerhead. Understanding these steps can help us make informed decisions about our showering preferences and appreciate the engineering that goes into this essential aspect of our daily lives.

Upgrade your daily shower routine with Kohler’s innovative and luxurious shower products. Discover a wide range of cutting-edge showerheads, faucets, and water-saving solutions that cater to your unique preferences. Unleash the combined power of technology and craftsmanship, and transform your bathroom into a spa-like sanctuary.