Plumber Adelaide, SAUpdated September 2026
Selected guide range
$1,300–$4,000per job
Mid point $2,200 per job
SA (about −15%) · Built 1990–2010 · Other factors typical · Not a personalised quote
SA is preselected for Adelaide. Change the location or property age to update the range.
Median reported amount $2,000 · Based on 31 reports · Report years: 2018–2026A tradie-ready brief: scope of work, site checks, decisions, budget range and PDF. $9.50 AUD one-off.
South Australia's Retailer Energy Productivity Scheme (REPS) offers rebates on heat pump installations that help bridge the gap between a basic storage tank swap and an efficient upgrade. Hot water replacement in Adelaide costs $1,300–$4,000 per job.
Hot Water System guide ranges, per job, for five major cities, using the same state and territory adjustments. Select a city to open its guide.
Ranges use each city’s state or territory adjustment to the Sydney baseline, rounded to the nearest $50. They are not quotes. View the national guide.
A standard replacement covers removal and disposal of the old unit, supply and installation of the new system, plumbing connections compliant with AS/NZS 3500 Plumbing and Drainage, tempering valve (required under AS 3498), and a compliance certificate. Heat pump installations include the outdoor unit and a dedicated electrical circuit. Gas changeover work includes disconnection by a licensed gasfitter.
Price reports shared by Australian homeowners.
Homeowner-reported amounts, with badges showing whether each was paid, quoted or unspecified.
Based on 31 reports · Report years: 2018–2026
Showing reports from across Australia — too few reports for South Australia alone.
| Year & location | Scope of work | Reported amount |
|---|---|---|
| 2026VIC | Rheem 26L 50C gas continuous flow; remove solar storage system; cap panels; alter pipework; valves; supply and install | $4,300Quoted |
| 2026Australia | Rheem Everhot 80L storage tank; remove existing tank and replace | $3,000Quoted |
| 2026NSW | new hot water system; supply and installation | $3,212Quoted |
| 2026VIC | full hot water system replacement; tight laundry access; electrician additional | $4,200Quoted |
| 2026WA | 50L electric storage replacement; installed | $1,500Reported paid |
| 2026WA | 50L electric storage replacement; installed | $2,000Quoted |
| 2026Australia | replace 50L tank with 120L Reece system | $3,300Quoted |
| 2026WA | 50L wall-mounted electric like-for-like replacement | $2,200Quoted |
| 2026Australia | 250L external storage replacement; full replacement and installation | $1,790Reported paid |
| 2026Australia | hot water system replacement | $4,000Reported paid |
| 2025WA | Like-for-like hydropower unit replacement | $1,200Price type unknown |
| 2025Australia | Replacement of hydropower unit (1k unit + 300 labor) | $1,300Price type unknown |
| 2025WA | Rinnai electric storage system; gas storage to electric storage conversion; quote | $2,200Quoted |
| 2025Australia | hot water system replacement; delivered and installed; old unit removed | $1,200Reported paid |
| 2025QLD | outdoor gas storage replacement; supply and install | $2,400Reported paid |
| 2025NSW | Rinnai 315L storage system; supplied and installed; old tank removal | $2,000Reported paid |
| 2025Australia | Therman 250L storage replacement; relocated from laundry to outdoors; no electrical work | $2,200Reported paid |
| 2025VIC | hot water system replacement; supply and install | $1,600Reported paid |
| 2025Australia | Rinnai Infinity 26L gas continuous flow with controller; supply and install quote | $1,900Quoted |
| 2025Australia | replace a gas storage hot water tank like for like | $2,100Quoted |
| 2025Australia | replace a gas storage tank with a continuous flow gas unit | $3,000Quoted |
| 2024Australia | 50L electric storage hot water tank replacement in a unit/apartment; billed during working hours | $4,800Reported paid |
| 2023QLD | Replace hot water system | $1,500Price type unknown |
| 2023Australia | supply and install a Rheem or Rinnai continuous flow gas unit replacing a Bosch | $1,800Quoted |
| 2023Australia | swap a Rinnai for a basic Bosch P10 continuous flow unit (LPG) | $1,700Reported paid |
| 2022Australia | replace a failed solar/electric system with gas hot water including running gas lines through the roof space | $3,000Reported paid |
| 2020Australia | supply and install a Rinnai B26 continuous flow unit replacing an old storage system | $2,000Reported paid |
| 2019Australia | replace an old gas storage tank with a Rinnai Infinity 20 continuous flow unit with controller (not a straightforward install) | $1,900Reported paid |
| 2018Australia | Vulcan storage hot water system supplied and installed | $1,700Quoted |
| —SA | continuous flow hot water system replacement | $8,000Quoted |
| —SA | continuous flow hot water supply and fit incl power point | $1,770Quoted |
Sparky collects public homeowner reports from forums such as Reddit, Whirlpool, OzBargain and PropertyChat, review sites such as ProductReview, and a few direct submissions. We read each source thread before adding a report but do not verify the underlying transaction. Reports include amounts paid, quotes received and amounts with an unknown price type; the statistics combine these types. GST treatment is usually unknown, and inclusions vary. Amounts are in Australian dollars and are not adjusted for inflation. The statistics describe this collection only. Compare scope, location and year before using them as a reference.
A like-for-like electric storage replacement in a post-2000 home in Mawson Lakes or Golden Grove with clear access sits toward $1,300. A gas-to-heat-pump changeover in a character home in Norwood with long pipe runs, hard water requiring anode replacement, and a switchboard upgrade pushes toward $4,000. Most Adelaide replacements land around $2,200.
Hot water failure in Adelaide's winter months is a genuine emergency, with overnight lows reaching 5 degrees C or below. After-hours and weekend callouts for urgent replacements carry premium rates. If the system is leaking but still producing some hot water, scheduling during business hours saves money. For a complete failure in winter, most Adelaide plumbers offer same-day or next-day emergency service at a higher rate.
Australia's highest electricity prices. SA residential electricity averages ~$0.44/kWh (peak periods reaching 40–50 cents), compared to ~$0.26/kWh in Victoria and ~$0.28/kWh in NSW. This makes the choice of hot water system type more financially significant in Adelaide than anywhere else. Running an electric storage tank on continuous tariff in Adelaide costs $1,000–$1,500+ per year. A heat pump running during solar hours costs effectively nothing.
Solar PV + heat pump: Adelaide's winning combination. SA has Australia's highest rooftop solar penetration (over 40% of homes, some suburbs exceeding 50%). Export rates have dropped to 2–5 cents/kWh, making it more economical to use excess solar for hot water than to export it. Smart controllers can shift water heating from overnight to daytime solar generation. An SA trial enrolled 18,000 households and shifted ~50% of water heating from night to day.
REPS rebates. The Retailer Energy Productivity Scheme provides $300–$1,300 for heat pump installations (higher rebate if you are NOT connected to gas or disconnect gas on the same day). Federal STCs stack on top for an additional $700–$1,200. Some plumbers apply the REPS discount directly to the invoice.
Hard water. Adelaide's water is notably hard, particularly in northern suburbs (Salisbury, Elizabeth) and southern suburbs (Christies Beach, Hackham). Hard water accelerates tank corrosion and reduces heating element life. Sacrificial anodes should be inspected every 3–5 years (or sooner in the hardest water areas). When replacing a system, ask your plumber about the old unit's anode condition.
Character homes. Inner suburbs (Norwood, Unley, Prospect) often have gas storage tanks installed decades ago. Like-for-like replacement is straightforward, but the economics strongly favour switching to a heat pump, especially with solar PV already on the roof.
For water supply emergencies, contact SA Water (1300 883 121).
Hot water system work in South Australia must be performed by a plumber licensed through Consumer and Business Services (CBS). Verify licences through the CBS licence search. Gas-related work requires a separate gas fitting licence overseen by the Office of the Technical Regulator (OTR). Your plumber must provide a compliance certificate. Ask whether they handle REPS and STC rebate applications. Some plumbers apply the discount directly to the invoice.
Estimates are based on current trade rates for licensed plumbers in SA, adjusted for Adelaide labour costs and typical material prices. All figures include GST. Ranges cover like-for-like replacements through to heat pump and solar installations.
Pricing adjusted for Adelaide's specific housing stock and common complications by era.
All prices in AUD including GST. Prices are per job. Estimates only. Last updated September 2026.
A tradie-ready brief: scope of work, site checks, decisions, budget range and PDF. $9.50 AUD one-off.
SA homeowners can access the Retailer Energy Productivity Scheme (REPS) rebate for heat pump installations, plus federal Small-scale Technology Certificates (STCs) for heat pumps and solar systems. Some plumbers apply the REPS discount directly to the invoice. Check current rebate levels with your plumber, as amounts change periodically.
Yes. Adelaide has notably hard water, particularly in northern suburbs like Salisbury and Elizabeth and southern suburbs like Christies Beach. Hard water accelerates tank corrosion and reduces heating element life. Sacrificial anodes in storage tanks need checking every 3 to 5 years. When replacing a system, ask your plumber about the old unit's anode condition and ensure the new system is rated for hard water.
For Adelaide homes with rooftop solar panels, switching to a heat pump is usually the best financial decision. SA has the highest rooftop solar penetration in Australia, and running a heat pump during daylight hours costs almost nothing. Even without solar, rising gas prices and REPS rebates make heat pumps increasingly attractive. The payback period in Adelaide is typically 3 to 5 years.
For water supply issues, contact SA Water on 1300 883 121. For the hot water system itself, call a licensed plumber. Most Adelaide plumbers offer same-day or next-day emergency service, with premium rates for after-hours callouts. If the system is still producing some warm water, scheduling during business hours avoids the emergency premium.