Ao Smith 100108684 Thermostat Kit with Eco Cover

Product Description

The AO SMITH 100108684 is a thermostat kit with ECO cover designed for electric water heater service and repair. The kit includes the thermostat and ECO (energy cutoff) cover assembly for the upper element position, providing the components needed to restore proper temperature regulation and overheat protection to a residential electric water heater. This is an OEM-style replacement part installed by licensed plumbers and HVAC technicians during water heater maintenance or fault diagnosis.

This kit is intended for the upper thermostat position in compatible AO SMITH electric water heaters. The WH10-6A designation referenced in the part data indicates fitment within that water heater series. It is suited for residential water heater applications where the upper thermostat or ECO assembly has failed or requires replacement as part of a complete service call.

Key Features

• Includes thermostat and ECO cover in a single service kit
• Upper element position configuration
• OEM-style replacement for AO SMITH electric water heater service
• ECO cutoff provides overheat protection for the heating circuit
• Simplifies service by combining thermostat and cover in one kit

Compatibility

Compatible with AO SMITH electric water heaters in the WH10-6A series, upper element position. Verify thermostat configuration and element wiring before ordering to confirm fitment with your specific unit.

Installation Notes

Installation should be performed by a licensed plumber or qualified service technician. Always disconnect electrical power to the water heater at the breaker before servicing the thermostat or ECO assembly. Drain pressure from the tank as needed and follow local plumbing and electrical codes. Do not bypass or defeat the ECO cutoff device during reinstallation.

Technical Specifications

• Position: Upper
• Kit Contents: Thermostat with ECO Cover
• Series Reference: WH10-6A

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100108684