Rheem SP11309Y 0.75" x 34-3/8" Magnesium Anode Rod
A Rheem OEM magnesium anode rod used in water heaters to help reduce tank corrosion by acting as a sacrificial corrosion component when the correct replacement rod is required.
Key Features
- Magnesium anode rod construction (sacrificial anode to help protect the tank from corrosion)
- Size as listed: 0.75" diameter x 34-3/8" length
- Connection/end style details listed: Hex end
- Rheem parts listing notes a 3/4" NPT fitting
- Identified as a direct replacement anode rod for Rheem / Ruud / Richmond water heaters
- Replaces AP11309Y and AP11309Y-2 (as listed)
Compatibility & Applications
- Used for water-heater anode replacement where the manufacturer specifies SP11309Y (specific water heater models are not listed in the provided sources).
- Must only be used where the manufacturer specifies this exact part number: SP11309Y.
Installation & Operation Notes
- Installation should be performed by a qualified plumber or water-heater service technician.
- Reference the water heater's service/installation manual for safe shutdown, depressurization, and proper removal/installation method for the anode rod (the provided sources do not include step-by-step instructions).
- Product-page note: Image may not represent actual product.
Maintenance & Troubleshooting
- Rheem notes anode rods are a key defense for increasing tank life and preventing leaks, and recommends checking/replacing the anode rod on a regular basis; once depleted, it can no longer protect the tank.
- Customer feedback commonly ties replacement to routine maintenance and protecting the water heater tank.
User Reviews & Q&A Summary
- Review themes commonly describe it as a correct-fit replacement that works as expected, including use on Rheem residential tanks.
- Multiple reviewers highlight good thread quality and a leak-free installation when installed correctly.
- Several users mention it's a helpful length where overhead clearance is limited, and that replacement is straightforward with the right tools.
- A recurring complaint is the sticker/label adhesive being difficult to remove, with some concern about residue and extra cleanup effort.