AO Smith 9005518105

AO Smith 9005518105 is a Kit Primary Safety Control designed to protect your water heater or boiler by shutting down the system when unsafe conditions are detected. This essential primary safety control helps prevent equipment damage and minimizes risk to your home.

As a reliable primary safety control, the AO Smith 9005518105 kit also serves as the 100218409 replacement parts option for enhanced water heater safety.

Designed for compatibility with AO Smith systems, this safety control kit replaces worn or faulty components and keeps your unit operating within safe guidelines. The 100218409 designation helps with easy ordering and service professional cross-reference.

• Key safety function: automatically detects unsafe conditions and shuts down the appliance to prevent damage, outages, and risk to occupants.
• Reliable replacement parts: engineered as AO Smith replacement parts for durable performance and straightforward field service, reducing downtime.
• Easy installation: features standard connections, clear wiring terminals, and minimal calibration to get your system back online quickly.
• Compatibility: designed to fit AO Smith water heaters and boilers; verify model compatibility and wiring requirements before installation.
• Quality assurance: manufactured to OEM specifications and stringent safety standards, with documented performance for peace of mind.