To light a Rheem Classic Professional model water heater, turn the gas control knob to “Pilot,” press down, and use a long lighter to ignite the pilot flame.
Lighting a Rheem Classic Professional gas water heater requires careful attention to safety procedures. This guide provides step-by-step instructions for proper ignition while explaining key features of these reliable units.
Step-by-Step Lighting Instructions
1. Prepare the Area
Clear flammable materials from around the water heater. Ensure proper ventilation in the space. Check that the gas supply valve is open.
2. Locate the Control Panel
Find the gas control valve on the front of the unit. It will have three settings: Off, Pilot, and On.
3. Set to Pilot Mode
Turn the gas control knob to “Pilot.” Press down firmly while holding a long lighter near the pilot opening.
4. Ignite the Pilot
Continue holding the knob down for 30-60 seconds after ignition to allow the thermocouple to heat up. Release slowly.
5. Switch to On Position
Once the pilot stays lit, turn the knob to “On.” The main burner should ignite automatically when hot water is needed.
Key Features of Rheem Classic Professional Models
Safety Systems
The Protective Control System automatically shuts off gas if flammable vapors are detected. This matches the best HVAC leak detectors for safety.
Efficient Performance
With recovery rates of 36.4-61 GPH at 90°F rise, these units provide consistent hot water. The EverKleen system prevents sediment buildup.
Durable Construction
Premium anode rods extend tank life. ProtectionPlus warranty extends coverage to 12 years when registered.
Troubleshooting Common Issues
Pilot Won’t Stay Lit
Check the thermocouple connection. Clean any debris around the pilot assembly. Ensure proper gas pressure.
No Hot Water
Verify the gas supply is on. Check for tripped circuit breakers. Inspect the temperature setting on the control panel.
Strange Noises
Sediment buildup can cause rumbling sounds. Follow the best HVAC coil cleaner procedures for maintenance.
Maintenance Tips
- Drain 2-3 gallons monthly to remove sediment
- Inspect the anode rod annually
- Check the T&P valve every 6 months
- Keep the area around the unit clear
For professional installation or complex repairs, consult a licensed technician. Rheem provides detailed manuals at their official website.
Proper operation of your Rheem water heater ensures efficient performance and long service life. Always follow manufacturer guidelines and local codes when servicing gas appliances.
