Water heater point installation: published rates
7 companies in the directory publish a water heater point line. Of these, 6 price per job, and their lowest published rates run from S$60 to S$180 per job. The middle rate is S$120 per job. Both middle companies print that figure, so S$120 is a real published rate. The seventh line, "Connect Water Heater" at S$50, is printed without a unit.
FROM THE HOMEZYPRO DIRECTORY
Published water heater point rates
For the most common unit (per job), the lowest published water heater point rates from 6 companies run from S$60 to S$180 per job (middle rate S$120), for one water heater point or connection. The middle figure is a real published rate, not an average. Each figure is one company's own advertised rate with its conditions, not a quote.
See 7 published water heater point rates and sources
| Company | Service as listed | Rate | Source |
|---|---|---|---|
| Mr Electrician Pte Ltd | Connect Water Heater | S$50 | mrelectrician.sg |
| Repair.sg | Water heater installation | From S$60 per job | repair.sg |
| Skyteam Electrical Pte Ltd | Instant Water Heaters (storage-less) | S$60 per job | skyteamelectrical.sg |
| Sparkflow Pte Ltd | Water heater installation | From S$120 per job | sparkflow.com.sg |
| Yong Jin Solutions Engineering Pte Ltd | Water heater point (with isolator & MCB) | From S$120 to S$200 per job | yongjinelectrical.sg |
| 81 Electrical | Water heater isolator (20A) | From S$160 per job | 81electrical.com |
| Alpha & Omega Trinity Pte Ltd | Water Heater | From S$180 per job | aotrinitysg.com |
Each line is that company's lowest matching rate, so read the service name before you look at the figure. Two lines are called "Water heater installation", one from S$60 per job and one from S$120 per job. Either could mean connecting a heater rather than wiring a new point, so ask which. "Instant Water Heaters (storage-less)" is S$60 per job. Only one line spells out its parts: "Water heater point (with isolator & MCB)", from S$120 to S$200 per job. A 20A isolator line starts from S$160 per job, and "Water Heater" from S$180 per job.
One question sorts these out. Is the rate for a new water heater power point wired from the distribution board, or for hooking a heater up to a point you already have? A resale flat where the old heater ran off a socket needs the first. When you browse electricians in the directory, each line links to its source.
What the price covers
A dedicated point has four parts. A quote may include all of them or only some:
- Cable run. New cable from the distribution board (DB box) to the heater. A bathroom close to the DB box needs a shorter run than one at the far end of a condo unit or on the upper floor of a landed house.
- Water heater isolator. The switch that cuts power to the heater. Ask for its rating. One published line names a 20A isolator.
- Breaker. A miniature circuit breaker (MCB) added in the DB box so the heater has its own circuit.
- Concealment. In an HDB flat, new wiring is not embedded in walls or plaster. It runs in surface trunking, above a false ceiling or behind carpentry. In a condo or landed home, ask whether the price assumes trunking or chasing, and who patches the wall afterwards.
If you only need the switch itself changed, the isolator installation cost guide covers that job on its own.
When an LEW is needed
The heater and the point follow different rules. EMA's Inspectorate Department explains that a water heater itself can be installed without an LEW, but you must engage an LEW if the home has no dedicated connection point for it. Water heaters should never be plugged into a standard three-pin socket. Shifting or extending a point also needs an LEW, who must apply to SP Services to inspect the completed work.
EMA says electrical work in an HDB flat needs a Licensed Electrician, the class of LEW approved for loads of up to 45kVA. For a landed house, the work should be carried out or supervised by a Licensed Electrical Worker. Both points are set out on EMA's page on engaging licensed electrical workers.
The reason a plug will not do comes down to current. In a 2018 written answer to Parliament, MND said water heaters should be connected to a 20 ampere socket switch, and not to a normal 3-pin socket that supports 13 amperes.
Older flats need extra care. HDB's electrical works guidelines say that in flats with a 30amps main switch, a storage water heater should not exceed 1.5kw and an instantaneous water heater should not exceed 3kw. In those flats, a 15A power point or 20A isolator needs a permit. Flats have had 40A main switches since 1994. For other jobs around the home, see what work needs an LEW.
Heater swap or new point
A like-for-like swap is the lighter job. If the bathroom already has a dedicated point and isolator, EMA's rule of thumb is that connecting an appliance to an existing point does not need an LEW. Moving the heater to another wall during a bathroom renovation is different. That shifts the point, so an LEW and the SP Services inspection come into it.
The water side is a separate trade. PUB's simple plumbing works list covers any pipe between a stop valve and an instantaneous water heater. Pipework for a storage water heater is not on that list. Settle who handles the pipes before the job day.
This page stays on the electrical point. For the full sequence, read the water heater installation steps. For the heater itself, see water heater replacement cost.
NEXT STEP
See electrical companies in the directory with their published prices, the areas they say they cover and their sources.
Compare electriciansSafety signs to act on
The Consumer Product Safety Office lists the warning signs. Stop using a heater that looks damaged or is leaking. A storage heater should have a pressure relief valve. The heater should be wired directly to the mains through a double pole switch, with no extension cords or multi-way outlets. Do not modify or repair it yourself. Have a professional service it regularly.
EMA adds one more sign. If your residual current circuit breaker (RCCB) does not trip when tested, or trips often with no obvious cause, engage an LEW. If your heater still runs off a plug, read the water heater three-pin plug safety guide.
Questions
Can a water heater be plugged into a normal socket?
Do I need an LEW to replace my water heater?
Not always. EMA says the heater itself can be installed without an LEW, but you must engage one if the home has no dedicated connection point for it. A swap on an existing point is the simpler case. A new, shifted or extended point is LEW work.
Is an isolator switch required?
You should have a dedicated switch, not a plug. The Consumer Product Safety Office says a water heater should be wired directly to the mains through a double pole switch, not a 3-pin socket outlet. Ask your Licensed Electrician which rating suits your heater. One published line names a 20A isolator.
Does the price include the heater?
Not necessarily. The published lines on this page are named for points, isolators, connection or installation work, and none says outright that a heater unit is supplied. Before you agree a price, ask whether it covers the heater, the isolator, the breaker and the cable, or labour only.
How long does a new heater point take?
The company quoting is the one to ask, because the time depends on the cable run, the route and whether a breaker is added. Clear the bathroom and the path to the DB box before the visit. If the point is being shifted or extended, ask how the SP Services inspection will be arranged.
Can the plumber do the electrical point too?
Only if that person is also an LEW. The point is electrical work and the pipes are plumbing, so treat them as separate trades unless the worker holds an LEW licence. EMA suggests checking in advance and asking to see the licence card on arrival. Licensed workers can be verified online.
- EMA
- engaging licensed electrical workers
- MND
- electrical works
- PUB's simple plumbing works list
- Consumer Product Safety Office
Prices come only from the sourced company rates in the HomezyPro directory, shown with each company and its source.
Practical guidance for planning a home job in Singapore. Company prices come from the HomezyPro directory, each linked to its source; rules and safety points link to the agency or manufacturer that sets them. This is not a site inspection, a quote or professional advice for your home.
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