If your water heater is 10–12 years old, consider proactive replacement

https://www.scribd.com/document/1032971848/Everett-WA-Water-Heater-Repair-Services-Same-Day-Availability-186339

If your water heater is 10–12 years old, consider proactive replacement. New models heat faster, use less energy, and comply with current safety and efficiency standards.