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Low Hot-Water Pressure Plumbers Brisbane

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Are you noticing low hot-water pressure in your shower or throughout your house? A drop in water pressure can be due to various reasons. While you may find simple fixes to your water pressure issues, they may require the help of a plumber.

Below, we break down the most common problems for low water pressure in your house.

Common Reasons for Low Water Pressure in a House

  1. Bent plumbing lines: If your plumbing lines are bent, this can make it hard for water to pass through, resulting in lower hot water pressure problems. If this affects your shower’s water pressure, your plumber can repipe your lines going to your shower. Otherwise, if you have multiple bends in your plumbing systems, your plumber may need to install a pressure regulator, which can help stabilize your plumbing system’s water pressure and prevent water leaks.
  2. Blockage in the showerhead: Are you noticing that only your showerhead releases low hot-water pressure? Check your faucets and any other showers in your home. If it’s just your one showerhead that releases low hot-water pressure, you may have blockages in the showerhead.
  3. Blockage in filter: The outlet and inlet filters may have blockages, too. Your plumber can easily clean the filters or replace them if needed.
  4. Problems with the pressure regulator: Make sure to set your pressure regulator correctly for the best water flow. If the pressure regulator isn’t working properly, you may need your plumber to replace it.
  5. Scale buildup: When using a fixture or tap for a while, scale buildup can create low hot-water pressure. If you’re noticing this with your fixtures or taps, your plumber can install a new tap and possibly switch your water to soft instead of hard.
  6. Wrong water supply line size: This will undoubtedly create low hot- and cold-water pressure as the correct amount of water isn’t flowing. Your plumber should repipe your water system to create better flow and less friction for enhanced water pressure.
  7. Main water-supply valve not fully open: A halfway-closed water valve will affect your water pressure. A simple fix is to open the main hot water supply valve to increase your water pressure.
  8. Issues with tempering valve: A tempering valve regulates the temperature for your shower and tap. Sometimes, the filter can have scale buildup or grow old, affecting your temperature regulation and reducing pressure.

Is Your Shower Pressure Low?

Declining shower pressure can result from various issues, and if you do not adequately treat them, they can be an annoyance. If you’re noticing that your water pressure is low, it may be time to hire a professional plumber to take a look at the issue. Most problems are simple to take care of with a quick fix, but it’s always good to have a plumber evaluate your situation.

How We Can Increase Your Hot Water Pressure

Our team of local plumbing experts at AC Plumbing in Brisbane will evaluate your issues and work with you to find a solution for your hot water system. With 24/7 emergency plumbing, our team’s devoted to helping you get your plumbing needs promptly repaired. Give us a call today at (07) 3088 9092 for our 24-hour rapid response service. 

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Steve Goodwin


Contacted by Facebook 7pm to ask about fixing a concealed leak. Responded almost immediately, organised to come out next day. Turned up earlier, found the leak quickly and fixed that, as well as upgrading some taps, and replacing a water pump…
Megan Fisher


The AC team were great. From the very first phone call with Leanne to Andrew turning up the team were professional and friendly. Andrew made helpful observations and did a great (and fast) job of getting the job done.
Kevin Perry


Highly recommend. I called AC Plumbing at 11:30am to get a quote on replacing a Hot Water system. They were there in 30 minutes and the quote was very reasonable. I booked with them straight away and the job was done in under 4 hours…
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