Boost Water Pressure: Add a Pressure Tank

Emily Jul 26, 2026

Have you been faced with insufficient water pressure in your home? Low water pressure can be quite agitating, from lengthy shower times to inefficient washing machine cycles. If you're tired of these hassles, consider boosting your water pressure by adding a pressure tank to your system. In this guide, we'll explore this solution, its advantages, and the process involved.

How to Increase Water Pressure in Your House
How to Increase Water Pressure in Your House

The pressure tank is a vital component in water pressure systems. It stores water at the correct pressure and releases it as needed, maintaining consistent water pressure throughout your home. By adding a pressure tank to your system, you can significantly enhance your water pressure, ensuring optimal performance from your fixtures and appliances.

How to Size a Pressure Tank
How to Size a Pressure Tank

Understanding Water Pressure Tanks

Before diving into the process of adding a pressure tank, it's essential to understand how these tanks work and their types. A conventional water pressure tank consists of an air-filled bladder and water. As the bladder inflates with water, it pushes the water out, creating pressure.

How to cope with wild swings in income using the pressure tank method
How to cope with wild swings in income using the pressure tank method

There are two primary types of pressure tanks: diaphragm and bladder. Diaphragm tanks have a flexible, waterproof fabric diaphragm inside the tank, separating the air and water. Bladder tanks, on the other hand, use a flexible rubber bladder for the same purpose. Both types effectively store and maintain water pressure, but they may vary in durability and maintenance needs.

Diaphragm Tanks

an image of a water pump system with pressure tank and piping hoses diagram
an image of a water pump system with pressure tank and piping hoses diagram

Diaphragm tanks are often preferred for their easy maintenance and elongated lifespan due to their lack of moving parts. They come in various sizes, suitable for different water demands, and are compatible with both well and city water systems.

For instance, a home with four bedrooms might require a diaphragm tank with a capacity of around 30 to 50 gallons. However, it's crucial to remember that these tanks need to be repressurized occasionally, usually after every few years or when the pressure drops significantly.

Bladder Tanks

Replumb from well pressure tank to increase flow to outdoor sillcocks
Replumb from well pressure tank to increase flow to outdoor sillcocks

Bladder tanks, despite their slight durability disadvantage, offer the advantage of being more compact, making them a good choice for space-limited settings. They are also cheaper than diaphragm tanks. Nonetheless, their inner bladder needs periodic replacement, contributing to their maintenance costs.

Moreover, bladder tanks can be a better fit for homes with lower water pressure or those located in areas with a high concentration of minerals in the water that could potentially damage the diaphragm in a diaphragm tank.

Steps to Add a Pressure Tank to Increase Water Pressure

What Size Water Tank for Pressure Washer: Your Ultimate Guide
What Size Water Tank for Pressure Washer: Your Ultimate Guide

Once you've decided on the type of pressure tank, ensuring you have the correct size, the next step is installation. Here's a simplified guide to help you through the process.

Before starting, ensure you have the necessary tools and materials, including a pressure tank, teflon tape, entry point for the pressure tank, and basic electric or plumbing tools. Always turn off the water and power supply before starting any installation or repair work.

a large blue tank sitting next to a brick wall
a large blue tank sitting next to a brick wall
a shower head with the words water pressure 5 ways to improve your life on it
a shower head with the words water pressure 5 ways to improve your life on it
90% of houses install this wrong way!.
90% of houses install this wrong way!.
a poster explaining the different types of water tanks and pressure systems for people to use
a poster explaining the different types of water tanks and pressure systems for people to use
How To Add Air In A Well Water Pressure Tank - Hunker
How To Add Air In A Well Water Pressure Tank - Hunker
How to Increase Shower Water Pressure | Increase Water Pressure With Shower
How to Increase Shower Water Pressure | Increase Water Pressure With Shower
an electric meter is being installed to the ground
an electric meter is being installed to the ground
How to Add a Second Pressure Tank | Homesteady
How to Add a Second Pressure Tank | Homesteady
How To Fix Your Low Water Pressure Problem
How To Fix Your Low Water Pressure Problem
How To Install A Pressure Tank - BEGINNER'S GUIDE
How To Install A Pressure Tank - BEGINNER'S GUIDE

Plumbing Work

After gathering your materials, begin by connecting your pressure tank to your water supply. The first step involves threading teflon tape over the tank's inlet valve to prevent leaks. Next, carefully connect the water supply line to the inlet valve using an appropriate fitting.

Once the connection is secure, use a water test kit to measure the water pressure. This step is crucial to ensure that you've correctly installed the pressure tank. After confirming the correct pressure, proceed to install the drain valve and check valve as per the manufacturer's instructions.

Electrical Work

Pressure tanks require power to pump water into the system and maintain pressure. Connect the pump's wires to the power source, ensuring they match the correct terminal colors. Always double-check the connections and consider hiring a professional electrician if you're unsure about any aspect of the electrical work.

After securing all connections, turn on the water supply and monitor the system for any signs of leaks. Once you're confident that everything is working correctly, you can adjust the pressure switch to your desired water pressure setting.

Maintenance and Regular Checks

Regular maintenance is essential to keep your pressure tank running smoothly. Inspect your tank periodically for signs of wear or damage and check the pressure gauge to ensure it matches the desired setting. You should also repressurize the tank following the manufacturer's guidelines, usually once every few years or when the pressure drops noticeably.

Periodic maintenance will not only extend your pressure tank's lifespan but also ensure optimal water pressure and safety in your home. If you notice any irregularities or have concerns about your pressure tank, don't hesitate to consult a professional plumber.

Incorporating a pressure tank into your water system can significantly improve your water pressure, enhancing the performance of your home's plumbing system. By understanding the different types of pressure tanks and following the installation steps, you can enjoy improved water pressure and increased efficiency in your daily tasks. Regular maintenance ensures that your pressure tank continues to deliver optimal performance, keeping your home comfortable and functional.