Best hot water plumbers in Westmead
Last updatedTwenty47 Plumbing leads for hot water plumbers in Westmead because it prices per job and includes Rinnai continuous-flow units in its replacements. The businesses differ in what they fit: some name brands, others cover gas, electric and heat pump systems, and some do commercial units only. Check whether a plumber fits the system you have, whether they can swap it the same day, and whether they are based nearby.
Quick picks in Westmead
- Best for a Rinnai unit in North Rocks: Twenty47 Plumbing, which also repairs units.
- Best for a same-day heat pump swap: Precision Plumbing Parramatta, which also covers gas and electric units.
- Best for a temporary unit during a cylinder swap: Pendle Hill Plumbing Service, which has kept hot water running this way for a customer.
- Best for hot water fixes near Westmead: Drain Hero Plumbing, based in the suburb itself.
- Best for overnight phone cover: Justflow Trade Services, with a contact centre open at all hours.
Best hot water plumbers in Westmead, ranked

#1Twenty47 Plumbing for Rinnai continuous-flow replacements priced per job
24/7Licence publishedBased in North RocksTwenty47 Plumbing operates from North Rocks and lists hot water systems among its services. Rinnai continuous-flow units feature in its North Rocks replacements, and the business repairs units as well as replacing them. Billing is per job, not hourly. Licence number 247398C appears in its details. Round-the-clock emergency cover sits alongside the replacement work.

#2Justflow Trade Services for overnight phone cover and quick site visits
After hoursBased in VillawoodJustflow Trade Services is based in Villawood and lists hot water systems beside leak repairs and drainage work. Its phone team works through the night, and the business says crews usually arrive within an hour. Its listed hours run from 6am to 10pm. No brands are named in its details, and no licence number is listed. Water filtration and rainwater tanks also appear on its service list.

#3Drain Hero Plumbing for hot water repairs close to home in Westmead
24/7Drain Hero Plumbing works out of Westmead and takes on hot water repairs as well as full replacements. Its list also reaches gas work, leak finding and burst repairs. Its licence status is listed as licensed and insured, but no number is shown. Feedback from customers mentions a quick arrival and a fix done in one visit.

#4Pendle Hill Plumbing Service for hot water replacement with a temporary unit
24/7Licence publishedBased in Old ToongabbiePendle Hill Plumbing Service is based in Old Toongabbie and lists hot water systems and gas installations among its trades. A customer's blown cylinder gap was filled by a temporary unit while the replacement went in. Its 24/7 number is for emergencies only. Urgent faults go to 0411 728 434. Licence 76232C is published.

#5Precision Plumbing Parramatta for gas, electric and heat pump hot water systems
24/7Based in RydalmerePrecision Plumbing Parramatta is based in Rydalmere and works on gas, electric and heat pump hot water systems. Repairs and same-day replacements are both offered. Phone hours run 7am to 11pm daily, and 24/7 call-outs are listed. Feedback calls the crew professional and friendly, with pricing described as honest and fair. A free quote can be had over the phone, the business says.

#6Frosty's Plumbing Pty Ltd for commercial hot water in strata buildings
24/7Based in Castle HillFrosty's Plumbing Pty Ltd is based in Castle Hill and lists commercial hot water among its strata and commercial work. Its customers include apartment blocks, offices and larger properties. Its emergency line is staffed around the clock. Other work runs Monday to Friday, 6.30am to 4pm. No licence number is shown.
Compare hot water plumbers in Westmead
The table below shows where each business is based and how it lists its licence.
| Plumber | Based in | After hours | Licence | Google rating |
|---|---|---|---|---|
| Twenty47 Plumbing | North Rocks | 24/7 | โ | โ 4.9 (65) |
| Justflow Trade Services | Villawood | After hours | โ | โ 5.0 (37) |
| Drain Hero Plumbing | Westmead | 24/7 | โ | โ 5.0 (14) |
| Same Day Plumber Merrylands | Merrylands | 24/7 | โ | โ 5.0 (15) |
| Pendle Hill Plumbing Service | Old Toongabbie | 24/7 | โ | โ 4.7 (31) |
| Precision Plumbing Parramatta | Rydalmere | 24/7 | โ | โ 5.0 (11) |
| Frosty's Plumbing Pty Ltd | Castle Hill | 24/7 | โ | โ 5.0 (24) |
| The Clean Plumber | Castle Hill | 24/7 | โ | โ 5.0 (12) |
| Hudson Plumbing Services | Chester Hill | โ | โ | โ |
| Hills Emergency Plumbing Pros | Castle Hill | 24/7 | โ | โ |
| Arc Plumbing | Five Dock | 24/7* | โ | โ 4.3 (23) |
24/7* : listed as open 24 hours, but the business doesn't say 24/7 itself. Ratings show from 5 Google reviews.
How we picked hot water plumbers in Westmead
Customer feedback is weighed by volume, so a place with many comments outranks one with a few. Points also came from hot water work named on its own pages, brands and same-day replacements included, and from a licence number shown. A base in Westmead or nearby added a little.
Hot water plumbers in Westmead: FAQ
Which Westmead plumbers can swap a hot water system the same day?
Precision Plumbing Parramatta is the one to ask about a same-day swap, since it covers heat pumps too. Confirm whether the swap suits your unit type.
Does Twenty47 Plumbing charge by the hour?
Twenty47 Plumbing says it bills per job, so ask for the price before the work starts.
Which Westmead hot water plumber takes calls overnight?
Justflow Trade Services has a 24-hour contact centre. Pendle Hill Plumbing Service lists a 24/7 number, but only for urgent faults.