Some maintenance tips to prolong the lifespan of your residential water heater and prevent breakdowns include flushing the tank annually to remove sediment buildup, checking the temperature and pressure relief valve regularly, inspecting for leaks or corrosion, and scheduling professional maintenance at least once a year.

One effective method to unclog bathroom plumbing fixtures without using harsh chemicals is to use a plunger. Make sure to create a tight seal around the drain and then push and pull the plunger vigorously to dislodge the clog. Additionally, you can try using a plumbing snake or auger to physically remove the blockage.

Flood control systems should be inspected and maintained annually to ensure optimal performance and prevent potential flooding issues.

As a licensed plumber, it is important to ensure that your gas lines are properly maintained and safe for use in your home by scheduling regular inspections by a qualified professional, checking for any signs of leaks or corrosion, and following all manufacturer guidelines for maintenance and usage.

Some potential challenges or limitations when retrofitting an existing plumbing system with an overhead sewer system include limited space for installation, structural modifications required for supporting the new system, potential conflicts with existing utilities or building components, and increased cost and complexity of the retrofitting process.