Description
Rheem-Ruud SP11309W Anode Rod Overview
The Rheem-Ruud SP11309W is an OEM replacement anode rod designed to protect water heater tanks from internal corrosion and premature failure. Measuring 0.750″ in diameter and 53-3/8″ in length, this anode rod is engineered to fit specific Rheem and Ruud water heater models, ensuring a proper, reliable fit every time.
How Anode Rods Work
Anode rods function through a process called sacrificial protection — the rod material corrodes preferentially over the steel tank lining, dramatically extending the service life of the water heater. Replacing a depleted anode rod is one of the most cost-effective maintenance steps a technician or homeowner can take to protect a water heater investment.
Key Features
- OEM Rheem-Ruud replacement part — SKU SP11309W
- Diameter: 0.750″ (3/4″)
- Length: 53-3/8″
- Designed for sacrificial corrosion protection of water heater tank interiors
- Helps extend the operational lifespan of compatible Rheem and Ruud water heaters
- Direct OEM replacement for accurate fit and performance
Application
This anode rod is intended for use in compatible Rheem and Ruud residential and light-commercial water heaters. Always verify your water heater model number against the manufacturer’s parts list to confirm compatibility before installation.
Installation Notes
- Inspect the existing anode rod annually or per manufacturer recommendations
- Replace when the rod is depleted to less than 1/2″ core diameter or heavily coated with calcium
- Use thread sealant tape on the threads during installation to prevent leaks
- Turn off power and water supply before servicing
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