Why Your Water Heater Needs an Expansion Tank – Bradford White Installation Project
Do You Need an Expansion Tank for Your Water Heater? Here’s Why It Matters!
At Applause Plumbing and Heating, we recently installed a Bradford White water heater along with an expansion tank for a customer experiencing high water pressure issues. Many homeowners are unaware that their water heating system might require an expansion tank to prevent excess pressure buildup, which can lead to premature wear on plumbing fixtures, leaks, and even costly water heater damage.
What Is an Expansion Tank and Why Do You Need One?
An expansion tank is a small, secondary tank that works alongside your hot water heater to absorb the extra water volume created when your water heats up and expands. Without an expansion tank, closed plumbing systems (ones with a pressure-reducing valve (PRV) or a backflow preventer check valve) can experience dangerous pressure spikes, leading to damage in your pipes, fixtures, and appliances.
When Is an Expansion Tank Required?
If your home has any of the following conditions, you likely need an expansion tank:
✅ A pressure-reducing valve (PRV) installed to lower incoming water pressure
✅ A backflow preventer check valve that prevents water from flowing back into the main line
✅ Fluctuating or high water pressure, which can stress your water heater and pipes
✅ A recent water heater replacement, where plumbing codes require an expansion tank installation
Without an expansion tank, you risk damaging your new water heater, voiding warranties, or experiencing leaky faucets, running toilets, or even burst pipes over time.
When Should You Replace Your Expansion Tank?
Like your water heater, an expansion tank doesn’t last forever. Over time, the internal bladder or diaphragm inside the tank can fail, leading to pressure issues in your plumbing system. Here are signs you may need a replacement:
🔧 You hear banging or knocking noises from your plumbing system
🔧 Your water pressure fluctuates unexpectedly
🔧 The tank feels full of water instead of having some air cushion
🔧 You notice leaks or rust spots around the expansion tank
Most expansion tanks last 5-10 years, but regular plumbing maintenance can help extend their lifespan.
Need an Expansion Tank Installed? Contact Us Today!
If you're replacing your hot water heater or experiencing high water pressure issues, don’t wait until it’s too late. At Applause Plumbing and Heating, we specialize in expansion tank installation to keep your system running smoothly.
📍 Serving Phillipsburg, Easton, and the entire Lehigh Valley
📞 Call us today at 610-504-6688
💻 Request an Estimate for your expansion tank installation!