AO Smith 9004993215 Water Heater Heat Exchanger Eco Control Kit

The Water Heater Heat Exchanger Eco Control Kit from AO Smith (model 9004993215) delivers safer operation and reliable temperature control for your hot water system.

This unit is designed for Type 1-Pole, Single-Throw configurations and offers surface-mount installation with a high-limit, manual reset safety feature. This ECO control kit helps regulate water temperature, protects against overheating, and promotes energy efficiency by managing heat exchanger performance.

Used on Water Heater Copper Heat Exchanger, it provides a dependable interface that guards against overheating while preserving efficiency. The non-adjustable cutout is set at 255 Deg F to ensure consistent protection.

Designed to fit through standard service openings on boilers that use copper heat exchangers, this kit simplifies replacement and supports long-term durability. Its compact, surface-mount form minimizes wiring clutter and eases installation in crowded service bays, while the built-in manual reset provides a straightforward safety routine during maintenance.

• Type: 1-Pole, Single-Throw
• Mounting: Surface Mount
• Safety: High Limit with Manual Reset
• Compatibility: Used On Water Heater Copper Heat Exchanger
• Cutout: Non-Adjustable 255 Deg F