Ao Smith 100338900 on Off Switch

Product Description

The AO SMITH 100338900 is an on/off switch designed as a direct OEM replacement component for AO SMITH water heating equipment. This switch provides the operator control interface that allows the unit to be powered on and off as part of normal system operation. It is a straightforward electrical control component installed by licensed plumbers or HVAC technicians during routine service or equipment repair. The 100338900 is sourced to match original factory specifications, making it a reliable choice for restoring proper switch function to affected units.

This on/off switch is intended for use in residential or light commercial water heater applications where the original AO SMITH switch has failed or is damaged. It fits into the existing switch mounting position and connects to the unit control circuit without modification. Service technicians replacing this component should verify the switch location and wiring configuration against the unit service manual before beginning work.

Key Features

• Direct OEM replacement on/off switch for AO SMITH water heaters
• Restores proper power control function to the unit
• Designed to match original factory fit and wiring configuration
• Suitable for residential and light commercial water heating applications

Compatibility

Designed as an OEM-style replacement on/off switch for AO SMITH water heating equipment. Consult the unit service manual or AO SMITH parts documentation to confirm fitment for your specific model.

Installation Notes

Installation should be performed by a licensed plumber or qualified HVAC technician. Disconnect power to the water heater at the circuit breaker before removing or replacing any electrical components. Verify the replacement switch matches the original wiring configuration and mounting before completing installation. Work should comply with applicable local electrical codes and the manufacturer service documentation.

Technical Specifications

• Switch Type: On/Off

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100338900