![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://i.redd.it/i-just-realized-my-parents-ruud-electric-water-heater-is-v0-6sj4hl0y2wea1.jpg?width=400&format=pjpg&auto=webp&s=2a836916a50f71fb0013020f0b37200f7dd2f66a)
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?
![Ruud 40 Gallon 40,000 BTU EF62 Short Professional Achiever Atmospheric Water Heater, 6 Year (NG) - Amazon.com Ruud 40 Gallon 40,000 BTU EF62 Short Professional Achiever Atmospheric Water Heater, 6 Year (NG) - Amazon.com](https://m.media-amazon.com/images/I/21OiMBsKy0L._AC_UF894,1000_QL80_.jpg)
Ruud 40 Gallon 40,000 BTU EF62 Short Professional Achiever Atmospheric Water Heater, 6 Year (NG) - Amazon.com
![RUUD PROG40S-36N-RU59 40 GALLON SHORT ACHIEVER NATURAL GAS STANDARD VENT WATER HEATER WITH T&P INSTALLED TO 7700 ELEVATION 6 YEAR TANK/6 YEAR PARTS/1 YEAR LABOR 523/4 HEIGHT 201/8 DIAMETER at Gorman Company RUUD PROG40S-36N-RU59 40 GALLON SHORT ACHIEVER NATURAL GAS STANDARD VENT WATER HEATER WITH T&P INSTALLED TO 7700 ELEVATION 6 YEAR TANK/6 YEAR PARTS/1 YEAR LABOR 523/4 HEIGHT 201/8 DIAMETER at Gorman Company](https://webassets.hajoca.com/images/020352/02035262315.jpg)
RUUD PROG40S-36N-RU59 40 GALLON SHORT ACHIEVER NATURAL GAS STANDARD VENT WATER HEATER WITH T&P INSTALLED TO 7700 ELEVATION 6 YEAR TANK/6 YEAR PARTS/1 YEAR LABOR 523/4 HEIGHT 201/8 DIAMETER at Gorman Company
![Rheem-Ruud EGSP10 120V Point-of-Use Electric Water Heater: 120V AC, 10 gal, 3,000 W, Single Phase, 22.87 in Ht-89572376 Rheem-Ruud EGSP10 120V Point-of-Use Electric Water Heater: 120V AC, 10 gal, 3,000 W, Single Phase, 22.87 in Ht-89572376](https://cdn11.bigcommerce.com/s-5e3c3/images/stencil/1280x1280/products/111180/499663/972b1e79-d3a6-495e-afe7-1e34ea7d3b22__94100.1685992730.jpg?c=2)
Rheem-Ruud EGSP10 120V Point-of-Use Electric Water Heater: 120V AC, 10 gal, 3,000 W, Single Phase, 22.87 in Ht-89572376
![PRO-H40-T2-RU310BM - Ruud PRO-H40-T2-RU310BM - 40 Gal EF3.5 Hybrid Builder Residential Electric Water Heater, 10 Year (240v) PRO-H40-T2-RU310BM - Ruud PRO-H40-T2-RU310BM - 40 Gal EF3.5 Hybrid Builder Residential Electric Water Heater, 10 Year (240v)](https://www.supplyhouse.com/images/products/raw/PRO-H40-T2-RU310BM-1.jpg)
PRO-H40-T2-RU310BM - Ruud PRO-H40-T2-RU310BM - 40 Gal EF3.5 Hybrid Builder Residential Electric Water Heater, 10 Year (240v)
![Ruud 40 Gallon 40,000 BTU EF67 Tall Professional Achiever Power Vent Water Heater, 6 Year (NG) - Amazon.com Ruud 40 Gallon 40,000 BTU EF67 Tall Professional Achiever Power Vent Water Heater, 6 Year (NG) - Amazon.com](https://m.media-amazon.com/images/I/21mWAqzbc9L.jpg)