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Product specifications

Macro MA 20WOD — is suitable for Condo outdoor like aircon ledge with a weather proof body.

TypeGas fired instantaneous water heater

Flow rate20L per minute

Hot water pointsUp to 3 points of usage

ControlWiFi model — mobile app or physical control

Temperature rangeUp to 60°C

Rated voltage220–240V / 50Hz

Built-in pumpPre-heats water in the pipe loop, reduces wastage

Preheat timer2 set timer for preheat function

BodyWeatherproof, suitable for outdoor/aircon ledge

Average lifespanAbove 10 years

Licensed job scope

Every step of the installation is carried out in accordance with Public Utilities (Regulated Works and WSI Design Works) Regulations 2018, PUB, and EMA Gas Supply Regulations.

Gas & plumbing work

New gas heater supply and installation
Gas valve & stop valve replacement
Pipe works partial redo to comply with PUB
PUB regulated fittings supply
New control panel replacement

Electrical work

Electric wire connection to isolator
Protective equipotential bonding

Gas supply compliance

Testing and commissioning
Test certificate issued by Licensed Gas Service Worker
Required by law for your safety

After sales service

Homeone engineering warranty — 1 year
Tank covered by manufacturer warranty — 1 year

Statement of Gas Appliances Testing

Issued by an EMA Licensed Gas Service Worker on completion of every installation, in accordance with clause 21 of the Gas (Supply) Regulation — your documented proof that the appliance was tested and is safe to use.

What it confirms

Gas tightness, correct appliance operation, and safety devices all tested and functioning at the point of commissioning.

Who issues it

Only an EMA Licensed Gas Service Worker can sign off this statement — not a general technician or handyman.

Why it matters

Kept on hand as your documented proof of compliance — useful for resale, insurance, or any future authority check.

Ready to install the Macro MA 20WOD?

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Terms & Conditions

Scope and conditions specific to gas water heater replacement — please review before booking.

Homeone will replace the existing gas instantaneous water heater with a new unit, which may or may not have similar specifications and capacity — the selection will be agreed upon before proceeding. The installation will comply with all statutory requirements, including the Gas Supply Regulations for gas work, the Public Utilities Act for plumbing work, and the Electricity (Electrical Installations) Regulations for electrical connections. The customer must ensure clear access to the water heater location and provide any necessary utilities required for the replacement.

A. Gas Work

In accordance with SS608:2015

1
Supply of all fittings and tools.
2
Removal of the old union and gas valve.
3
Installation of a new gas valve.
4
A new union will not be installed, as it is a common fitting that can cause gas leaks.
5
Work on the gas pipe is limited to within 1 metre of the gas heater.
6
If the new heater is positioned more than 200mm from its existing location, it will be considered a relocation, and an additional charge will apply. +S$150
7
Any new section of gas pipe will be painted yellow.
8
All work will be supervised by a Licensed Gas Service Worker (LGSW).
9
Testing of gas appliances will be conducted in accordance with Regulation 21 of the Gas (Supply) Regulations.
10
A certificate will be issued, certifying that the gas appliance is safe for use before the job is handed over.
11
Faults in gas pipework elsewhere on the premises — such as the gas meter, cooking hob, or any gas pipes more than 1 metre from the gas heater — are not covered under this scope of work.

B. Plumbing

In accordance with SS636:2018

1
Supply of all fittings and tools.
2
Removal of a section of the hot and cold water pipes connected to the gas heater, not exceeding 1 metre in length.
3
Installation of a new section of hot and cold water pipes using stainless steel, including a new brass stop valve. All work on the water pipes is limited to within 1 metre of the gas heater.
4
All work will be supervised remotely by a PUB Licensed Plumber, in accordance with the Public Utilities Act.
5
Faults in water pipework elsewhere on the premises — such as the bath mixer, other water fittings, or any water pipes more than 1 metre from the gas heater — are not covered under this scope of work.
6
No additional charges apply for connecting to existing copper, stainless steel, or PPR (Polypropylene Random Copolymer) pipework.
7
A surcharge applies for pipe systems such as German PEX or the Japanese Mechfit system, or any other system not specified above. +S$150
8
Removal of the old tank and disposal off-site.
9
Existing wall/concrete anchors may be reused after assessment and confirmation of their safety. Technicians will determine if a new set is required based on their evaluation.
10
Removal of old wall/concrete anchors will be carried out if applicable, but patching and painting are not included.

C. Safety

In accordance with WSH

1
Provision of necessary safety equipment.
2
A safety provision surcharge applies if there is no safety railing at the aircon ledge or other locations 3 metres above ground level where the gas heater is situated, or if a safety railing is present but the gas heater replacement work cannot be performed while standing on the aircon ledge. +S$150

D. Electrical

In accordance with SS638:2018

1
Supply of all parts, tools, and safety equipment.
2
All works will be remotely supervised by an EMA Licensed Electrical Worker (LEW).
3
Inspection of the control panel, communication cables, and connection box/isolator to ensure they are in working condition.
4
Connection of the heater to the isolator and control panel, replacing the old one as necessary.
5
Any electrical work beyond the above is chargeable.
6
A new isolator at the aircon ledge. +S$150
7
A new set of communication cables, to replace a faulty set. From +S$250
8
For additional electrical works, a customised quote will be provided to ensure compliance with relevant electrical codes. Custom quote
9
Protective equipotential bonding will be installed in accordance with SS638:2018 clause 411.3.1.2L (ii) for gas installation pipes.

Warranty Terms & Conditions

“Homeone” (Party A) refers to Homeone Water Heater Pte Ltd. “You” (Party B) refers to the owner or purchaser of a water heater installed in Singapore by Homeone.

A. Installation Warranty

1
Homeone offers a 1-year warranty on the installation work performed, commencing from the date of completion of installation.
2
This warranty covers workmanship, and ensures the replacement gas water heater is properly installed and functioning as intended.
3
The original invoice must be produced for verification prior to warranty servicing by Homeone.
4
If a call-out reveals the fault is not covered under warranty, the standard call-out charge applies. Any repair or replacement carried out from that point is chargeable. Chargeable
5
This warranty applies only to installation work carried out by Homeone, at the original installed location.

B. Product Warranty

1
The gas water heater is covered by the manufacturer’s warranty, not Homeone’s own warranty.
2
The customer is responsible for registering the warranty with the manufacturer.
3
Typically, all parts excluding the tank are covered under a 1-year warranty for both parts and labour, with on-site service.
4
In the case of inner tank leakage, a 5-year warranty is provided, which includes tank replacement without labour costs.
5
Homeone is not responsible for defects or issues arising from the manufacturer’s product. The owner is to contact the manufacturer directly for any such issues. Not covered

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Product price:	$660.00
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Order total:

Macro MA 20WOD (Condo)

Including Package

Gas Heater Supply

Professional Fees

Warranty

Additional Charges

Safety Charge

Relocation

Special Piping Material

Communication Cable