To troubleshoot and address fluctuations in water temperature with a tankless water heater, you can try the following steps:<br /><br />1. Check for any obstructions in the water flow, such as mineral buildup or debris in the filter.<br />2. Ensure that the unit is properly sized for your household's hot water demands.<br />3. Adjust the temperature setting on the unit to a comfortable level.<br />4. Inspect the gas or electric supply to the unit to ensure it is functioning properly.<br />5. Consider installing a water softener if hard water is causing issues with the heater.<br />6. Have a professional plumber inspect the unit for any potential issues or malfunctions.

Signs that indicate your catch basin may need repairs or replacement include: pooling water around the basin, foul odors coming from the basin, cracks or damage to the basin structure, and slow drainage or blockages in the system.

Signs that indicate your sewer line needs maintenance include slow draining sinks or toilets, gurgling noises coming from drains, foul odors coming from drains, sewage backups, and pooling water around the sewer line.

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.

The process of drain cleaning involves using specialized tools such as drain snakes or hydro-jetting equipment to remove clogs and debris from the pipes. The time it takes to complete drain cleaning can vary depending on the severity of the clog and the size of the plumbing system, but it typically takes anywhere from 30 minutes to a few hours.