Description
Rheem-Ruud SP21111 Leak Sensor-Shut Off Kit Overview
The Rheem-Ruud SP21111 Leak Sensor-Shut Off Kit is a purpose-built OEM solution designed to provide reliable leak detection and automatic water shut-off for Rheem and Ruud water heating systems. By combining a sensitive leak sensor with an integrated shut-off mechanism, this kit helps prevent costly water damage before it starts — making it an essential safeguard for residential and light commercial installations.
Key Features
- OEM Rheem-Ruud replacement kit engineered for direct compatibility with applicable Rheem and Ruud water heater models
- Integrated leak sensor detects the presence of water at the base of the unit
- Automatic shut-off function activates upon leak detection to stop water flow and minimize damage
- Helps protect floors, walls, and surrounding structures from water damage caused by leaks or overflow
- Designed for straightforward installation as a drop-in OEM replacement
- Supports proactive system maintenance and long-term equipment reliability
Application
The SP21111 is ideal for use in residential and light commercial settings where Rheem or Ruud water heaters are installed. It is particularly well-suited for installations in finished spaces, utility rooms, or any area where water damage from a leaking water heater would be especially costly or disruptive.
Why Choose the Rheem-Ruud SP21111
Using genuine OEM parts like the SP21111 ensures proper fit, reliable performance, and continued warranty compliance for your Rheem or Ruud water heating equipment. Pairing a leak sensor with an automatic shut-off in a single kit simplifies the installation process and delivers peace of mind with a proven, manufacturer-approved solution.







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