Prime Plumbing & Gasfitting
Prime Plumbing & Gasfitting

Plumbing & Gasfitting in Knoxfield

Knoxfield (3180) sits between Wantirna South and Ferntree Gully, small suburb, mostly 1960s-70s residential, lots of original mixer taps now well into their second or third decade of daily use. The leaking-tap callout in Knoxfield isn't usually a washer; it's a mixer cartridge that's seized or the brass body that's pinholing at the stem. We carry common cartridge stock in the van.

Fixed-price quote in writing before any work begins. BPC #103414 on every Compliance Certificate.

Call 0475 407 670 or send your Knoxfield address through the form below.

Alister Williams, founder of Prime Plumbing & Gasfitting

Compliance Certificate for licensed Knoxfield work

WaterMark certified plumbing products
BPC Plumbing & Building Compliance Authority
WELS water-efficiency rating
Backflow Prevention Association of Australia
Australian Home Heating Association
Master Plumbers Association
BPC #103414 lodged on every licensed plumbing or gasfitting job in Knoxfield.

Knoxfield's original mixer taps are the steady callout

Knoxfield's small footprint and post-war residential character means a high concentration of 1960s-70s kitchens and bathrooms that haven't been renovated. The original chrome-plated mixers from that era are usually past their mechanical life, ceramic disc cartridges seized, brass bodies pinholing at the stem, or the compression-style washer taps weeping from the body rather than the spout. The fix is almost always a cartridge or full mixer replacement; the diagnostic is whether the wall stub behind the tap is also at end of life.
Hot water system installations
Hot Water Installs
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burst and leaking pipe repair
Burst and Leaking Pipes
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Leaking Tap Repair
Leaking Tap Repairs and Installations
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Prime Plumbing & Gasfitting Toilet Installation
Toilet Installations and Repairs
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Catch the drip before the cabinet damage

A Knoxfield mixer that's dripping from the spout for weeks is annoying but usually not damaging. A mixer that's started leaking from the BODY (water tracking down the tap stem onto the bench, or worse, into the cabinet below) is doing daily damage to the cabinetry. Book the repair quickly, once the cabinet base swells with water, you're looking at joinery work as well as plumbing.

Knoxfield work, Compliance Certificate, kept on file

Mixer replacement, cartridge work behind the wall, any new fitting connection, all licensed plumbing work under Victoria's Plumbing Regulations 2018. The BPC Compliance Certificate documents what we did and the licence number under which it was done. Keep it with the Knoxfield property paperwork; conveyancers and insurers ask for it.

Five things we see most in Knoxfield

The five recurring patterns:

  • leaking mixer taps in original 1960s-70s kitchens and bathrooms, usually cartridge replacement, occasionally full mixer swap when the body has pinholed
  • earthenware sewer root invasion from mature street plantings on residential streets near Anne Road and the Lewis Road area
  • copper hot/cold pinhole leaks on 50-60 year-old supply lines in the original housing stock
  • hot water system replacements on first-generation units, Knoxfield's small size means we often work on multiple units in the same street on the same week
  • kitchen renovation gas-line upsize for modern cooktops, original 15mm gas runs won't deliver enough flow
Blocked drain and pipe clearing

Blocked Drains and
Pipes

Tree roots, grease buildup, or debris can cause slow-draining sinks and overflowing toilets. Our team use professional tools and methods to clear drain blockages quickly and prevent future damage.
Leaking tap and fixture repair

Leaking Taps and
Fixtures

A constant drip wastes hundreds of litres of water each month. We repair or replace leaking taps and shower fittings, keeping your home water-efficient and damage-free.
Hot water system repairs and installation

Hot Water System Repairs and Replacements

Whether your system has lost pressure or isn’t heating properly, our team provides hot water repairs and installations in Knoxfield, including electric, gas, and solar systems.
Gas leak detection and repair

Gas Leaks and
Safety Risks

If you notice the smell of gas, it’s crucial to act fast. Our licensed Knoxfield gasfitters can safely detect and repair leaks, ensuring your family’s safety.
Gas heater and appliance installation
Gas Appliance
Installation
From gas stoves and heaters to BBQ lines and fireplaces, we install and service all types of gas appliances. Our precise fittings guarantee efficient performance and long-term safety.
Water shut-off valve and pipe repair
Routine Gas System
Inspections
Regular gas checks prevent costly breakdowns and keep your system compliant with current safety codes. We recommend annual inspections to keep your gas lines and appliances operating perfectly.

Why Knoxfield homeowners book Prime Plumbing & Gasfitting

Knoxfield's a tight residential community and we're a small team that does steady neighbourhood work. Same-day mixer replacements when we've got the right cartridge in the van (common stock). No callout fees that disappear once the quote is signed. Repeat customers across Knoxfield drive most of the work.
Hot water system installations
Leaking tap & mixer repair
Knoxfield's most common callout. Common cartridges in the van, most jobs are first-visit fixes. Washer replacements are Schedule 4 DIY-legal; cartridges, mixer bodies, anything past the meter is licensed work.
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burst and leaking pipe repair
Blocked drains
Earthenware sewer root invasion is the standard Knoxfield drainage pattern. CCTV survey to locate, sectional PVC replacement on the affected joints.
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Leaking Tap Repair
Hot water replacement
First-generation units across Knoxfield's 1960s-70s housing are at the 8-12 year replacement window. Storage gas, instantaneous, heat pump, quoted in writing.
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Prime Plumbing & Gasfitting Toilet Installation
Burst pipes
Copper pinhole leaks on 50-60 year-old supply lines. Sectional repair on the failed fitting; assessment of the surrounding circuit so the next leak isn't a surprise.
See details

BPC, Type A gasfitter, backflow endorsement

Alister Williams (BPC #103414), Victorian plumber's licence plus Type A gasfitter endorsement from Energy Safe Victoria. Backflow Prevention Association of Australia member, RPZD/DCV annual testing covered. Master Plumbers Australia member.

Fixed-price across all Knoxfield work

Knoxfield jobs range from a $40 washer to a $4,000 hot water replacement. Every quote in writing before any work begins. The cartridge that costs $180 in parts plus labour stays at $180 in parts plus labour, no upsell to a $400 mixer if the original body is sound.

Quoted in writing, no surprise charges

Quote covers parts, labour, BPC Compliance Certificate lodgement where it applies, and any complications visible at inspection. Mid-job changes only after we show you what we found and re-quote in writing. Nothing added to the invoice without your sign-off.

About Alister

Alister Williams runs Prime Plumbing & Gasfitting, Melbourne licensed plumber and gasfitter since 2014, based near Scoresby. Knoxfield's small size and proximity to the Scoresby base means we attend regularly, usually multiple jobs per month across the suburb, often clustered on the same week.

Credentials:

  • BPC Plumbing Licence #103414
  • Type A Gasfitter: Energy Safe Victoria endorsement
  • Backflow Prevention: annual RPZD/DCV testing endorsement
  • Master Plumbers Australia member

The Knoxfield work is generally predictable, leaking mixers, slow drains, hot water replacements. No upsell on parts that don't need replacing; no callout-only charges hidden in the quote.

Our home base is next door, so you can also see our Scoresby plumbing and gasfitting service.

Knoxfield plumbing FAQs

Q: Do you service Knoxfield (3180)?
Yes, Knoxfield's small footprint means we usually have a job nearby in the same week, so response times are generally fast. Mon-Fri 7-6, Sat 8-1.

Q: My mixer tap has been dripping for months, is it the washer?
Mixer taps don't have washers, they have ceramic disc cartridges. A dripping mixer almost always needs the cartridge replaced ($180-$400 depending on the brand). We carry common cartridges in the van so most Knoxfield mixer jobs are first-visit fixes.

Q: Mixer's leaking from the body, not the spout, what does that mean?
The brass body has pinholed or the stem seal has failed. Cartridge replacement won't fix it; the whole mixer needs to come out. Common on 1960s-70s Knoxfield mixers that have never been changed. Quoted with the new mixer of your choice.

Q: My drains are slow, is it the same root issue you mention?
Probably, if your Knoxfield home is 1960s-70s with the original earthenware sewer. CCTV survey ($300-$500) confirms; sectional PVC replacement on the affected joint is the durable fix. No trenchless relining at Prime, referred to a specialist if your situation suits it.

Q: Can I replace a washer tap myself?
Yes, washer replacement (the rubber jumper inside a compression-style tap) is on Schedule 4 of the Plumbing Regulations 2018, explicitly DIY-legal. Mixer cartridges are NOT, they're licensed work because they're behind pressurised supply.

Q: How quickly can you attend a Knoxfield emergency?
Honest ETA at the call. 45-90 minutes typical for confirmed after-hours emergencies. No 15-minute promises.

Recent Knoxfield jobs (anonymised)

Representative jobs from Knoxfield over the last six months:

  • Kitchen mixer cartridge, Anne Road area: 1990s-era mixer leaking continuously from the spout. Cartridge replaced from van stock, fitted in 30 minutes. Fixed-price quote signed before the cartridge came out of the box.
  • Full mixer replacement, Lewis Road area: 1970s chrome mixer leaking from the body. Customer chose a mid-range replacement; old mixer removed, new one fitted to existing wall stub, sealed. Compliance Certificate issued.
  • Hot water replacement, Studley Drive area: gas storage at year 11, intermittent pilot issues. Like-for-like replacement, same-day install.
  • Sewer blockage, near Knox Athletics Track: recurring slow drainage finally fully blocked. CCTV showed two affected joints, sectional PVC replacement, driveway reinstated.

Knoxfield emergency: what to do first

Quick steps before we arrive, saves damage and gets us into productive work faster:

Mixer leaking onto the bench or into the cabinet

  1. Close the isolation valves under the sink (usually two small chrome valves on the supply hoses), quarter-turn to off.
  2. Empty the cabinet underneath; wipe up standing water.
  3. Photograph the make and model of the mixer if you can, helps us bring the right cartridge.

Burst supply line

  1. Shut off water at the meter (quarter-turn the lever to perpendicular).
  2. Open the lowest tap in the house to drain pressurised water.
  3. Move documents and valuables away from the wet area; photograph for insurance.

Gas smell

  1. No electrical switches, don't change anything's state.
  2. Open windows.
  3. Shut gas at the meter if reachable safely.
  4. Leave the house, call the gas distributor's 24/7 line from outside.

What we promise on Knoxfield work

Three commitments on every Knoxfield job:

  1. Quote first, in writing. Parts itemised, labour itemised, BPC Compliance Certificate fee where it applies. Mid-job changes only after we show you and re-quote.
  2. Common parts in the van. Knoxfield's small enough that we know what we'll see, mixer cartridges, washer kits, isolation valves, common flexis. Most jobs done first visit.
  3. Honest end-of-life calls. If your mixer body is sound, we'll tell you a $180 cartridge fixes it. If the body's pinholed, we'll tell you that too, a $400 mixer is the real answer.

BPC #103414. ABN 12 721 359 467. Operating since 2014.

Knoxfield-relevant services

Book a Knoxfield plumber

Fixed-price quote on Knoxfield plumbing or gasfitting, leaking taps, mixer replacements, hot water, blocked drains, gas appliance work. Call 0475 407 670 or send your Knoxfield address through the form.

Prime Plumbing & Gasfitting plumber replacing a kitchen mixer cartridge at a Knoxfield 1980s kitchen sink.

Send your Knoxfield address

Knoxfield street address, brief description of what's leaking (or otherwise broken), best phone number for the callback. We'll respond with a written quote, usually same business day for non-emergency work.

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Prime Plumbing & Gasfitting
Prime Plumbing & Gasfitting, Melbourne’s trusted name in professional plumbing and gas services. I’m Alister Williams, a licensed plumber with over ten years of industry experience, proudly serving homes and businesses across Melbourne.

Support

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  • admin@primeplumb.com.au
  • 0475 407 670
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BPC Licence No. 103414  ·  ABN 12 721 359 467  ·  Fully Insured  ·  Serving Melbourne since 2014