Meadows villa owners — what plumbing keeps needing attention on these older Emaar villas?

You're right that on villas this age the plumbing quietly becomes as much of a theme as the AC. The recurring items on older Meadows Emaar villas are: original electric water heaters reaching the end of their life (a tank that's fifteen-plus years old is on borrowed time and worth planning to replace before it leaks); pressure quirks from ageing pipework and a tired pressure-reducing valve; and hard-water scaling on aerators, angle valves and the heater element that steadily worsens flow. None of it is dramatic on its own, but in an older villa a hidden leak or a failed water heater can do real, expensive damage before you notice, so the proactive move is a periodic check: the water heater's age and anode, the main and PRV, and a scan for any weeping joints. A plumber who knows the Meadows and these Emaar villas will know exactly which of these tends to go and can plan the water-heater replacement on your terms rather than as an emergency. Getting ahead of the heater and the PRV is where the value is on a home this age.