4A1250 - Water heater Rheem - Free user manual and instructions
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| Product Type | Electric Water Heater |
| Model | 4A1250 |
| Brand | Rheem |
| Capacity | 50 Gallons |
| Dimensions (H x W x D) | 48 in x 20.25 in x 20.25 in |
| Weight | 120 lbs |
| Power Supply | 240 V / 30 A (dual 4500 W elements) |
| Voltage | 240 V |
| Wattage | 4500 W (each element) |
| Energy Factor | 0.95 (estimated) |
| First Hour Rating | 52 gallons |
| Recovery Rate | 41 GPH at 90°F rise |
| Warranty | 6-year limited tank and parts |
| Temperature Setting Range | 90°F to 150°F |
| Insulation | 2 inches of non-CFC foam |
| Anode Rod | Powered anode rod |
| Safety Features | Temperature and pressure relief valve, shut-off valve, high-temperature cutoff |
| Maintenance | Annual flushing, anode rod inspection every 3 years |
| Included Components | Manual, T&P valve, drain valve, installation kit |
| Certifications | UL listed, Energy Star qualified |
Frequently Asked Questions - 4A1250 Rheem
What is the recommended temperature setting for energy savings and safety?
The recommended setting is 120°F (49°C) to prevent scalding and reduce energy use. Adjust as needed but never exceed 150°F.
How do I drain and flush the water heater?
Turn off power or gas, connect a hose to the drain valve, open the valve and a hot water faucet to let air in. Flush until water runs clear. Close valve, refill, and restore power.
How often should the anode rod be inspected?
Inspect the anode rod every 2-3 years. Replace if more than 6 inches of core is exposed or if it is heavily corroded to extend tank life.
What does the 'High Temperature Shut Off' do?
It automatically disconnects power if the water temperature exceeds safe limits (typically above 180°F), preventing overheating and potential damage.
Can I install this water heater myself?
Professional installation is recommended due to electrical and plumbing requirements. Improper installation may void warranty and create safety hazards.
Why is my water heater making popping or rumbling sounds?
Sediment buildup at the bottom. Flushing the tank annually will reduce noise and improve efficiency. Persistent noises may indicate need for professional service.
What is the expected lifespan of this Rheem 4A1250?
With proper maintenance, it can last 10-15 years. Regular flushing and anode rod replacement are key to longevity.
How do I reset the high-temperature limit switch?
Turn off power at the breaker, remove the access panel and insulation, press the red reset button on the limit switch. Replace cover and restore power. If it trips again, call a technician.
What size breaker is required for this unit?
A 30-amp double-pole breaker with 10 AWG wire is required for the 4500W elements at 240V.
Is this model Energy Star certified?
Many Rheem 50-gallon electric models are Energy Star qualified. Check the manual or product label to confirm certification for your specific unit.
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