![I just realized my parent's RUUD electric water heater is over 30 years old and works perfectly. How is that even possible? Should I preemptively replace it, or keep going with it? I just realized my parent's RUUD electric water heater is over 30 years old and works perfectly. How is that even possible? Should I preemptively replace it, or keep going with it?](https://preview.redd.it/i-just-realized-my-parents-ruud-electric-water-heater-is-v0-55ozyul03wea1.jpg?width=600&format=pjpg&auto=webp&s=ef1c226a3c1c59ec566776edca4126ca324a0598)
I just realized my parent's RUUD electric water heater is over 30 years old and works perfectly. How is that even possible? Should I preemptively replace it, or keep going with it?
![Rheem Water Heater Age, Manuals, Customer Service Contacts Rheem Water Heater, Geyser, Cylinder, Calorifier Contacts & Water Heater Manuals Rheem Water Heater Age, Manuals, Customer Service Contacts Rheem Water Heater, Geyser, Cylinder, Calorifier Contacts & Water Heater Manuals](https://inspectapedia.com/plumbing/Rheem-Water-Heater-Age-383-Nicks.jpg)
Rheem Water Heater Age, Manuals, Customer Service Contacts Rheem Water Heater, Geyser, Cylinder, Calorifier Contacts & Water Heater Manuals
![How can I determine the age of a water heater if the serial number is missing or decoding it is impossible? How can I determine the age of a water heater if the serial number is missing or decoding it is impossible?](https://www.howtolookatahouse.com/Blog/ewExternalFiles/WaterHeaterStandards3AJPG.jpg)