To prevent future sewer line damage after the repair is completed, consider the following measures:<br /><br />1. Avoid flushing non-biodegradable items down the toilet.<br />2. Do not pour grease or oil down the drains.<br />3. Regularly inspect and maintain your sewer lines.<br />4. Be cautious when planting trees near sewer lines to prevent root intrusion.<br />5. Consider installing a backwater valve to prevent sewage backup.<br />6. Avoid using chemical drain cleaners that can corrode pipes.<br />7. Properly dispose of household chemicals to prevent damage to the sewer system.

Signs that indicate a residential water heater needs to be replaced include: <br />- Age of the water heater (typically over 10-15 years old)<br />- Rust or corrosion on the tank<br />- Leaks or pooling water around the unit<br />- Inconsistent water temperature<br />- Strange noises coming from the water heater<br />- Decreased hot water supply<br />- Higher energy bills than usual

Water heater maintenance should be scheduled annually to ensure optimal performance and longevity.

Some DIY water heater maintenance tasks you can perform regularly include flushing the tank to remove sediment buildup, checking and replacing the anode rod if necessary, testing the pressure relief valve, and inspecting for any leaks or corrosion.

To ensure proper maintenance and longevity of your tankless water heater, it is important to regularly flush the unit to remove any mineral buildup, check and clean the inlet filter, inspect for leaks or corrosion, and have a professional plumber perform annual maintenance and inspections.