Plumbing Basics Every Singapore Homeowner Should Know

Plumbing Basics for Homeowners Understanding your home plumbing helps you maintain it properly and communicate effectively with contractors during renovation. Your Home Plumbing System Water supply enters your unit through a main stopcock (shut-off valve). Know where this valve is located. In HDB flats, it is usually in the utility area or near the kitchen. In an emergency like a burst pipe, turning this valve closes all water supply to your unit. Hot water supply runs from your water heater to the bathroom and kitchen taps. Instant heaters are wall-mounted near the shower. Storage heaters can be in the ceiling void or utility area. Drainage carries used water from sinks, showers, and toilets out through a network of pipes that connect to the main sewer system. Floor traps in bathrooms and kitchens prevent sewer gas from entering your home. The water in the trap acts as a seal. If a floor trap dries out (common in rarely used bathrooms), pour water into it to restore the seal. Common Plumbing Issues Dripping taps usually mean a worn washer or cartridge. A plumber can fix this in 30 minutes for $30-80. If left unfixed, a dripping tap wastes thousands of litres per year. Slow draining sinks are usually caused by hair and soap buildup. Try a drain snake or enzyme-based drain cleaner before calling a plumber. Chemical drain cleaners can damage pipes over time. Running toilet means water continuously flows into the bowl. Usually caused by a faulty flapper valve or fill valve. A plumber charges $50-120 to fix this. Low water pressure can indicate a partially closed stopcock, clogged aerator on the tap, or pipe corrosion in older buildings. Clean the tap aerator first (unscrew the tip and rinse the mesh filter). Water heater issues: No hot water may mean the heating element has failed or the circuit breaker has tripped. Check the breaker first. If the heater is more than 8-10 years old, replacement is usually more cost-effective than repair. When to Call a Professional Any work involving the main water supply pipe requires a licensed plumber. Toilet bowl installation or replacement should be done professionally to ensure proper sealing and connection. Water heater installation must be done by a licensed plumber and electrician working together. Pipe relocation during renovation is professional work. Improper slopes in drainage pipes cause chronic clogging. Any sign of water leaking through the floor or ceiling requires immediate professional attention. Choosing a Plumber Use PUB-licensed plumbers for any work involving the water supply system. Check the PUB website for the list of licensed plumbers. For general maintenance like fixing taps and unclogging drains, any experienced handyman can handle the job. Get quotes from 2-3 plumbers for renovation plumbing work. Prices can vary significantly. Ensure the quote includes both materials and labour.