Master Plumber Singapore is a plumbing business at 164D Rivervale Crescent in Sengkang, with its base at unit 08-272. It says it has ten years of experience, and its best-known work is repairing and maintaining gas heaters and hot water systems. The list of services is mostly home work: clogged toilets, sinks, kitchens and showers, slow drains, leaking taps, detecting leaks in concealed and underground pipes, and installing or replacing water heaters. It also converts sitting toilets to squatting ones and back. The business runs a 24-hour emergency hotline. Customers praise a plumber who worked in low light with the mains turned off to fit a replacement toilet tap in under 30 minutes, another who came a day early to fix a flushing problem, and one who explained each step patiently. They also say the charges were reasonable. Open Locally lists two other plumbers within a kilometre.