Water pressure, most people don’t think about it until something bursts.
But in Australia, anything over 500kPa isn’t just bad news for your plumbing… it could cost you big time.
Here’s what you need to know before your high water pressure turns into a high-cost disaster
1. Damage to Your Pipework
Too much pressure puts constant strain on your pipes, joints, and fittings.
Over time, that stress causes leaks, cracks, and even full-on bursts — especially in older copper or PVC systems.
2. Water Hammer – The Plumbing’s Cry for Help
That loud bang or thud you hear when you turn a tap off?
That’s water hammer — a shockwave inside your pipes caused by high pressure.
It’s more than just annoying… it’s a sign your system is taking a beating.
3. Loss of Warranty on Appliances
Dishwashers, washing machines, hot water systems, they all come with warranty conditions.
If your water pressure is too high, you can kiss that warranty goodbye. Manufacturers won’t cover damage caused by pressure outside spec.
4. Potential No Insurance Payout
Insurance companies love a loophole. If a pipe bursts and the investigation shows your pressure exceeded the Australian standard, your insurer could refuse to pay out.
That’s right — one hidden issue could leave you footing the repair bill yourself.
The Solution – Install a Pressure Reduction Valve (PRV)
The easiest, most effective fix?
A Pressure Reduction Valve at your water meter. It automatically regulates pressure to safe levels (below 500kPa), protecting your pipework, appliances, and wallet.
The bottom line:
High water pressure isn’t a “wait and see” problem — it’s a “fix it now” problem.
At Cooly Plumbing, we can check your pressure and install a PRV so you can rest easy knowing your home, insurance, and warranty are protected.
Homeowner’s Quick-Check: Could You Have High Water Pressure?
You might have high water pressure if you notice:
- Banging or thudding noises in pipes when turning taps off (water hammer)
- Leaking taps or toilets that keep dripping even after repairs
- Appliances breaking down earlier than expected
- Shortened hot water system life or regular pressure valve leaks
- Strong blast of water from taps or showers that feels too forceful
- Water spraying or misting from fittings instead of flowing smoothly
What to Do Next
- Call Cooly Plumbing to test your pressure (takes just a few minutes).
- If it’s over 500kPa, we can install a Pressure Reduction Valve right at your water meter.
- Enjoy peace of mind knowing your plumbing, appliances, and insurance are protected.
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