The price of a 40-gallon Rheem water heater typically ranges from $400 to $800, depending on the model and retailer.
Rheem 40-gallon water heaters range from $800–$1,500 depending on fuel type, efficiency, and warranty length. This guide breaks down pricing for all Rheem models, installation costs, and key features to consider before purchasing.
Rheem 40-Gallon Water Heater Prices by Model
Electric Models
| Model | Wattage | Warranty | Price Range |
|---|---|---|---|
| Performance Medium | 4,500W | 6-year | $850–$950 |
| Performance Tall | 4,500W | 6-year | $900–$1,000 |
| Performance Platinum Hybrid | Heat Pump | 10-year | $1,300–$1,500 |
Gas Models
| Model | BTU | Warranty | Price Range |
|---|---|---|---|
| Performance Tall | 36,000 | 6-year | $900–$1,000 |
| Performance Plus Tall | 40,000 | 9-year | $1,100–$1,200 |
| Performance Platinum Tall | 40,000 | 12-year | $1,300–$1,500 |
Key Features to Consider
Energy Efficiency
Rheem’s electric models boast .92-.93 UEF ratings with isolated tank designs that reduce heat loss. The hybrid heat pump model can save up to $470 annually on energy costs according to U.S. Department of Energy estimates.
Warranty Options
Standard warranties range from 6-12 years. Rheem offers ProtectionPlus warranty extensions that add 4 years to coverage. The Professional Classic series includes premium anode rods for extended tank life.
Special Technologies
- EverKleen system prevents sediment buildup
- Resistored heating elements extend component life
- Over-temperature protection for safety
Installation Costs
Professional installation adds $300–$800 depending on:
- Fuel type conversion requirements
- Venting modifications
- Local labor rates
- Permit fees
For DIYers, Rheem’s electric junction box placement simplifies installation. However, gas models typically require professional hookups for safety and code compliance.
Where to Buy
Major retailers like Home Depot carry Rheem water heaters with local delivery options. Specialty plumbing suppliers may offer better pricing on commercial-grade models. Consider pairing your water heater with a whole house air purifier for improved home air quality.
Maintenance Tips
To extend your Rheem water heater’s lifespan:
- Flush tank annually to remove sediment
- Check anode rod every 3 years
- Insulate pipes for better efficiency
- Consider a water filtration system if you have hard water
Frequently Asked Questions
How long do Rheem water heaters last?
With proper maintenance, Rheem tanks typically last 8-12 years. The warranty period often indicates expected lifespan – longer warranties suggest more durable construction.
What size water heater do I need?
A 40-gallon unit suits 2-4 person households. For larger families or high-demand applications, consider a 50-gallon model or tankless system.
Are Rheem water heaters energy efficient?
Yes, especially the hybrid heat pump model which can be 3-4 times more efficient than conventional electric resistance models.
