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Hot Water Kotara

Kotara Plumbing Co sorts every kind of hot water job in Kotara, from a valve swap on an ageing electric tank to a full changeover to gas, solar or heat pump. You get a fixed figure first, and if the old tank has died, a loan unit covers showers until the new one is in.

Licensed plumbers and gas fitters · NSW Lic. 359278C

Last updated September 2026

Plumber finishing a continuous-flow gas hot water install
Two plumbers removing an old hot water tank

Kotara Hot Water Services

Every side of hot water work sits on one number:

  • Hot water repairs: valves, elements and thermostats, pilot faults, relief valve leaks and tempering valve checks on units of any age
  • Replacements and new installs: instant and storage electric units, storage and continuous-flow gas, and solar
  • Gas hot water work, carried out by licensed gas fitters and covered in full on the gas fitting services page
  • Heat pump hot water installs, the low-running-cost option for all-electric homes
  • A loan tank while a replacement is sorted, so nobody in the house goes cold
Instantaneous hot water unit fitted under a sink

Which System Fits the Post-War Houses?

Most homes here are older, low-set places, so the choice of unit comes down to what the house already has:

  • whether a gas line reaches the property, since storage and continuous-flow gas need one
  • unshaded roof space facing the right way for solar collectors
  • the meter's tariff, since storage tanks and heat pumps both reward an off-peak arrangement
  • household size, because a family of five empties a small tank by breakfast

The right answer gets talked through at your place before anything is quoted. No unit is sold on the spot; the house decides most of it.

Electric storage hot water unit after installation

Repair the Old Unit or Replace It?

The call between a repair and a changeover usually shows itself before anyone opens a toolbox. These are the signs we weigh:

  • a unit already past its expected life that keeps needing new parts
  • a tank weeping or leaking from the base, which no repair will hold
  • water that runs warm and never fully heats, pointing at an element or thermostat on the way out
  • a household that has outgrown the old unit's size

If the diagnosis lands on a replacement, the changeover is quoted at the same visit, and the temporary tank bridges the gap until the new unit runs.

What Usually Fails on an Ageing Unit?

Only a handful of parts cause most hot water faults, and most are replaceable without a full changeover:

  • elements and thermostats, which leave the water warm no matter how long it heats
  • relief valves that weep constantly, dripping outside or onto the unit's base
  • tempering valves that stop mixing properly, sending scalding or cold water to the taps
  • pilot and burner faults on gas units, often fixable then and there
  • a leaking tank base, the one fault no repair holds

How Is a Hot Water Job Priced?

"Not only all of that but the job came in right on quote." Steve

Four things set the figure on hot water work:

  • the system type and its size, since a small electric unit is far less work than a family-size gas changeover
  • access to the old tank, where narrow side paths and stone retaining walls on the sloping blocks add time
  • new gas line work, when a switch from electric to gas means running pipe to the unit
  • whether a loan tank is needed while the replacement is on order

We provide up-front, honest quotes that will always match the final price, should you decide to go ahead.

That promise matters most on a changeover, where surprises under the old unit are common. The figure agreed at your door is the figure on the paperwork at the end.

Ageing Tanks Across the Garden Suburb

Old houses, old tanks

Kotara grew as a garden suburb after 1947, one-storey brick, weatherboard and fibro homes on rolling ground, and many of the tanks fitted in those houses have simply had their day. Tanks of that age often fail with little warning, so a changeover is worth planning before the old one decides for you.

The switch is well under way

Area-level figures put solar hot water installs here at 1328 and heat pump units at 1208, so a good share of households have already moved off the old electric tank.

Access shapes the day

The old estate was cut into deep, skinny lots, and a tank at the far end of a side path behind a stone retaining wall takes longer to reach than an open garage. That gets priced in before work begins, not discovered on the day.

Four Steps on Every Hot Water Job

A hot water booking runs the same way each time:

1. Ring or send the form

Call (02) 4063 1093 or use the form to explain the fault. We ask enough to bring the right equipment the first time.

2. A fixed price first

A plumber inspects the job and names a fixed figure up front. Nothing gets started until you give the go-ahead.

3. The fault is traced where the unit sits

The valve, element or burner is tested, and the fix is explained before anything comes apart.

4. Covered for a year

Every job carries our 365-day warranty on all work. If something we did isn't right, ring the same number.

When we're not the right call

a heat pump or storage changeover that needs circuit work at the switchboard belongs to a licensed electrician, and so does a meter board that needs rearranging before a new unit can connect. We name the trade at the door instead of charging for work that is not ours.

Hot Water Questions We Get in Kotara

Answers to the questions that come up on hot water calls here:

Do the post-war houses here need a particular system?

No system is forced by the house itself. What decides it is the gas connection at the property, the unshaded roof space available, the meter's tariff and how many people live there. A single-storey weatherboard on a narrow lot takes almost any unit type, and we talk the options through at the door before quoting.

Can showers keep running during a changeover?

Yes. When a tank has failed, a temporary hot water tank can be fitted at the same visit, so showers keep running while the replacement is organised. It comes out again once the new system is in and running.

My electric tank died on a Sunday night. Should I wait until Monday?

Weekend and night callouts are quoted on the out-of-hours rate, still as a fixed figure ahead of any work. If the fault can safely wait for a weekday booking without risk to the house, you hear that at the door too. A cold shower is uncomfortable but rarely dangerous, and the choice stays yours.

Do you install heat pump systems in Kotara?

Yes. Heat pump hot water has its own page covering how the units work, what suits them and how the install runs, and plenty of all-electric homes here have already switched. The systems run quietly on the ambient air rather than heating elements, which trims the running cost on the right tariff.

Need a plumber? Call or send the form

Call (02) 4063 1093 or send the form below. Available 24/7, you see a fixed figure ahead of any work, and every job carries our 365-day warranty on all work.

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