28 Jul 2025
Gas Supply Regulations 21 – What It Means for Your Safety
Gas Supply Regulations 21 – What It Means for Your Safety
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💬 Licensed Gas Service Worker advice for Regulations 21.
What is Regulation 21?
Under the Gas Supply Regulations 2009 enforced by EMA Singapore, Regulation 21 states that any new or replacement gas appliance must be tested by a Licensed Gas Service Worker (LGSW) before being used.
What must the test prove?
- The appliance has no gas leaks
- Combustion is stable and complete
- CO emissions are within safe limits
What must the LGSW do?
- Carry out test in accordance with SS608
- Issue a written statement certifying safety
- Sign off with LGSW license number
What happens if this is skipped?
- You violate Regulation 21 of the Gas Act
- Home insurance claims may be denied
- You endanger occupants with invisible CO poisoning risk
Don't be misled❗
A cheaper installer, or a deliveryman offering to “help install”, is not a substitute for a licensed professional. No testing = no safety = no insurance coverage.
Always insist on:
- Seeing the LGSW licence
- Getting a written test report
- Knowing your heater complies with PUB and EMA
Gas Supply Regulation compliance stated in the Sales Order
Want peace of mind for your family? Let Homeone install or replace your gas water heater — fully compliant, licensed, and documented.
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