An outdoor kitchen is the ultimate Aussie backyard feature — perfect for summer barbies, family gatherings, and lazy weekend lunches. But when the water pressure starts playing up, it can really put a damper on things. Whether your tap’s dripping instead of flowing or the pressure changes for no reason, fixing water pressure problems in your outdoor kitchen is key to keeping everything running smoothly. In some cases, the issue may be the same as what you experience indoors — low water pressure in the kitchen which can be due to anything from blocked pipes to faulty fixtures.
In this article we’ll go through the most common causes of low or high water pressure in outdoor kitchens, how to troubleshoot them, and when to call a plumber.

What is Water Pressure
Water pressure is the force that pushes water through your pipes and out through taps and appliances. It’s measured in kilopascals (kPa) in Australia. The ideal pressure for most homes is around 500 kPa. Anything above that can damage your plumbing system and anything below can cause weak flow and slow filling sinks.
Outdoor kitchens are more prone to pressure issues due to their distance from the main supply, exposure to the elements, and often older or more basic plumbing systems.
Common Causes of Water Pressure Problems in Outdoor Kitchens
1. Blocked or Clogged Pipes
One of the most common culprits is debris or mineral build-up in the pipes. Outdoor kitchens have exposed or underground piping which can be more susceptible to blockages from dirt, rust, or sediment.
How to spot it: If the pressure issue is limited to one tap or fixture and it’s a gradual decline rather than sudden, a blockage is likely.
Fix: You can try removing the tap aerator and cleaning it out. If the blockage is deeper in the pipe you’ll need a plumber to flush or replace the affected section.
2. Leaking Pipes
Leaks can occur underground especially in older setups or after heavy rain, ground movement, or root intrusion. Even small leaks can reduce pressure at the tap.
How to spot it: A drop in pressure accompanied by damp patches in the yard or unusually high water bills.
Fix: You’ll need a licensed plumber to locate and fix the leak. Pipe relining or replacement may be required.
3. Faulty Pressure Regulator
Some homes have a pressure regulator near the water meter. If this device fails you may experience fluctuating or low pressure especially at the farthest points in the system — like your outdoor kitchen.
How to spot it: Sudden change in water pressure across the whole property or pressure that’s too high one day and too low the next.
Fix: Pressure regulators should only be adjusted or replaced by a professional as incorrect handling can make the issue worse or void warranties.
4. Tap or Fixture Issues
Outdoor taps, mixers, or even built-in dishwashers can degrade over time especially if exposed to the elements. Rusted, cracked, or worn components can cause water to trickle instead of stream.
How to spot it: Low pressure from one fixture only or a tap that’s hard to turn off or on.
Fix: Replace the tap or internal washer. For mixers, it may be worth upgrading to a more durable, weather-resistant unit.
5. Shared Water Usage
Water pressure may drop when multiple taps or appliances are used at the same time — especially if your outdoor kitchen is on the same line as your garden irrigation or pool system.
How to spot it: Noticeable pressure drop during irrigation cycles or when the washing machine is on inside the house.
Fix: A plumber can install pressure-balancing valves, a dedicated line for your outdoor kitchen or suggest changes to your usage schedule.

How to Troubleshoot Water Pressure Issues
Step 1: Check Other Taps
Is the issue isolated to the outdoor kitchen or the whole property?
Step 2: Inspect the Aerators
Unscrew the end of your tap and clean out any built-up debris or limescale. Even a small blockage can make a big difference.
Step 3: Check for Leaks
Look for damp spots around your outdoor kitchen, soggy grass or bubbling near pipe areas. A leak detection specialist can assist if needed.
Step 4: Measure the Pressure
You can buy a simple pressure gauge from a hardware store. Attach it to an outdoor tap and measure the pressure. If it’s under 250 kPa or over 600 kPa call a plumber for advice.
Long Term Solutions
If you’re building or renovating an outdoor kitchen plan ahead to avoid pressure issues later.
Dedicated Water Line
Running a separate pipe from the mains to your outdoor kitchen ensures stable pressure if you’re going to install multiple appliances.
Install a Booster Pump
If you have consistently low pressure a water pressure booster pump can lift the flow to acceptable levels.
Use High-Quality Fixtures
Look for taps and fittings rated for outdoor use, preferably made from stainless steel or brass to avoid corrosion and wear.
Insulate and Protect Piping
Cover exposed pipes with weatherproof insulation and bury underground pipes deep enough to avoid temperature-related damage.
When to Call a Plumber
If you’ve gone through the above and the pressure issue persists it’s time to call in a licensed plumber. Here’s when to make the call:
- Pressure is low across your entire property.
- You suspect a leak but can’t find it.
- Fixtures are damaged or corroded.
- You need to install or adjust pressure regulators or booster systems.
A professional can do advanced diagnostics including pipe camera inspections and pressure testing to get to the bottom of the issue quickly.

Ensuring Strong Water Flow in Your Outdoor Kitchen
Water pressure problems in your outdoor kitchen can be frustrating but they’re usually fixable. Whether it’s a simple aerator clean or a full pipe replacement addressing the issue quickly means you won’t be left high and dry for your next backyard barbie.
And remember in Australia any significant plumbing work must be done by a licensed professional. It’s not just about compliance — it’s about protecting your property and having long-term peace of mind.
So if that outdoor tap is giving you grief don’t just put up with it. A steady reliable water supply is essential for any outdoor kitchen to thrive.