4.9-Stars based on 226 Reviews

24/7 Emergency

Introduction: Understanding the Link Between Blocked Drains and Water Pressure

A blocked drain can significantly impact your home’s water pressure, highlighting the need for prompt maintenance. Upstream of the clog, pressure rises as water struggles to squeeze through, necessitating a check of the water pressure regulator. Downstream, this can lead to fixtures sputtering and failing as they can’t get enough water.

Accumulation of debris in your pipes restricts water flow, adding strain to your plumbing system.

Unchecked backpressure can cause significant damage to both pipes and appliances.

A minor issue like a burst line or flooded sink can quickly escalate into more serious problems such as mould or electrical fires. From snake augers to high-pressure jetting, we’re equipped to resolve water pressure your home is struggling with, clearing even the toughest clogs.

Balmain Plumbing’s experts specialise in resolving drain blockages and offer a range of residential and commercial plumbing services. We’ll delve deeper into how blocked drains influence water pressure, and if you face any related issues, our experts are ready to assist you.

Identifying Symptoms That Blocked Drains are Impacting Water Pressure

Signs of weak shower pressure are often a clear indication of a blocked drain leading to low water pressure at home.

  • Gurgling noises from drains as water struggles to pass through clogged pipes.
  • Multiple backed-up fixtures, like several sinks filling with water simultaneously.
  • Foul sewage odours, signalling stagnant water festering inside drains.
  • Noticeably slow drainage throughout the house.

Low water pressure commonly starts upstream of a blockage where backpressure builds up and affects the entire system. Moreover, system-wide low pressure may occur when your main sewer line is compromised or obstructed. In any case, restoring free flow inside drains takes pressure off the plumbing.

Addressing low water pressure promptly can prevent problems such as a blocked sewer line from necessitating more extensive pipe repairs down the road. So if you suspect water leak issues or any of the above symptoms, enlisting our service at Balmain Plumbing ensures these concerns are addressed promptly. Our team can adeptly determine which issues can be impacting your system and get water moving freely again.

Common Causes of Drain Blockages and Their Effect on Water Flow

Several factors can lead to increased pressure in your household, with drain blockages significantly disrupting water flow:

  • Hair, soap scum, and grease accumulate inside pipes over time.
  • Tree roots invade ageing sewer lines, attracted to moisture.
  • Foreign objects like toys or sanitary products get flushed accidentally.

Accumulated debris narrows the pipe’s opening, obstructing the normal water flow. Water struggles to squeeze through, pressure mounts upstream, and flow trickles downstream from the blockage, an experience leading to low water pressure. Stagnant water in your drains can lead leaks into your home’s structure, potentially destabilising building foundations.

Identifying the specific cause of the clog determines the best solution. For instance, tree roots obstructing your sewer drain can be removed using physical augers while chemical cleaners dissolve soap scum. Early detection of problems in a clogged sewer system can prevent extensive backup and costly repairs later on.

A blocked drain can cause reduced water flow or sewage back-ups, and Balmain Plumbing can properly diagnose and remedy this to restore your water pressure.

The Impact of Clogged Drains on Household Plumbing Systems

Blocked drains lead to several notable effects on household plumbing, often first recognized by low water pressure:

  • As clogs worsen, high water pressure builds to dangerous levels. Excess pressure strains pipes and joints, which can cause water leaks, cracks, and burst pipes.
  • Backed up water can cause a breeding ground for bacteria such as E. coli and giardia. These waterborne pathogens endanger your entire family’s health.
  • Standing water also promotes mould growth inside walls and under floors. Left untreated, severe mould can damage your home’s foundations or cause respiratory issues.

Ignored drain blockages can cause extensive home damage, potentially necessitating drain or foundation repairs, thereby highlighting the importance of prompt action. So early intervention not only protects the integrity of your house but can also affect your savings by preventing costlier maintenance down the road.

At the first sign of a problem with your bathroom sink, like reduced water flow, strange noises, or foul odours, reach out to our service at Balmain Plumbing for professional drain cleaning. We’ll safely clear any obstructions and get the drains in your home flowing smoothly again.

Solutions for Unblocking Drains and Restoring Water Pressure

Skilled plumbers have several effective methods at their disposal to clear blockages and restore proper water pressure:

Using a Plunger

Plungers use suction to effectively dislodge clogs and address your plumbing issues. Cover the drain grate tightly with a wet rag to maximise suction. Then, apply the same technique to your drain pipes, using the shutoff valve, and plunge vigorously 15-20 times to loosen the blockage.

Handheld Drain Snakes

Feed a flexible cable auger to clear those drains home owners often find troublesome, hooking and extracting debris while monitoring your water meter for success. Exercise caution to avoid scratching the pipes plumbing experts would advise to treat with care when cleaning. Plastic drain snakes are suited for removing hair and soap scum, while steel ones can handle more substantial blockages.

Chemical Drain Cleaners

Liquid drain openers break down organic matter like hair, which can block your hot water flow. However, if your drains are sensitive to chemicals or if you’re experiencing low water pressure, these solutions may not be suitable.


Powerful pressurised jets cause water to blast away stubborn deposits inside drains, which can efficiently restore flow. Balmain Plumbing offers hydro-jetting services using state-of-the-art jet spray nozzles and a high-pressure water pump to scour drains spotless.

A professional assessment and hydro-jetting are essential to restore unobstructed flow in cases of tree root infiltration or water main breaks.

Don’t hesitate to contact us; our experts are prepared to assist if basic clearing methods don’t solve your drain problems. We have the tools and expertise to fix problem areas, clearing even severe clogs and restoring optimal function to your drains and water pressure.

Preventative Measures To Maintain Good Drainage

Preventive measures are invaluable for maintaining unobstructed drains. Make sure to practise these simple strategies to keep pipes clear and water pressure steady:

  • Use drain screens and catchers to trap hair and debris, preventing blockages from accumulated minerals.
  • Wipe grease from pans rather than rinsing it away into your drain, where it can solidify into clogs.
  • Dispose of excess cooking oil, fats, and dairy in an airtight container with regular rubbish to prevent drain blockages.
  • Think about discouraging tree roots by arranging landscape plants at least 3 metres from pipes.
  • For your toilet’s sake, flush only human waste and toilet paper – common items like wipes, cotton pads/swabs or feminine products should never be flushed.

Vigilant measures not only safeguard the health and longevity of your water pipes but also prevent future issues by curbing build up your plumbing system may encounter. So staying on top of maintenance checks is key:

  • Inspect sinks and drains regularly for sluggish drainage or foul odours.
  • Remove hair and soap residues from fixtures with a boiling water, baking soda, and vinegar solution.
  • Pump septic tanks every 3-5 years to remove solidified sludge before it flows downstream.

We offer reliable maintenance programs to address any issues with blocked drains that could affect your main water line. Our technicians perform comprehensive inspections of all water lines, pipes, traps, tanks, and fixtures. We then develop a tailored plan based on your household size and plumbing conditions.

Don’t wait until a full-blown clog adversely affects your hot water system to take action; contact your local plumber for preventative solutions. Preventive measures and early intervention recommended by a plumber ensure the longevity and efficiency of your plumbing. Reach out to us anytime to customise a maintenance plan that meets your household’s specific needs.

News & Information

blocked drains affect water pressure?
Can blocked drains affect water pressure?

Blocked drains restrict water flow, leading to reduced pressure throughout your plumbing system. Clogged pipes prevent normal drainage, potentially causing backups, leaks and water damage if left unchecked. Call Balmain Plumbing on 1300 555 203 to unclog drains and restore proper water flow and pressure.

Shut Gas Emergency
How to Shut Off Gas in Emergency

It’s important to know how to safely shut off your gas supply in an emergency. We explain the simple 4 step process so you can do it yourself. Call our licensed gas fitters on 1300 789 807 if you need professional assistance.

Sump Pump Failure:
Sump Pump Failure: What To Do

Sump pump failure can quickly lead to catastrophic flooding and water damage if action isn’t taken. Calling a professional plumber to diagnose issues or replace faulty pumps before the next storm hits is critical to prevent flooding.

Do you need a Balmain plumber?



Balmain, 2041 NSW

Contact Our Plumbers

We will call back as soon as possible.

Call Now!