Ao Smith 100113157 Transformer

Product Description

The AO SMITH 100113157 is a replacement transformer designed for use in water heating systems where the original transformer has failed or requires service. Transformers in water heater applications step voltage down to the low-voltage levels required by control boards, ignition systems, and safety circuits. This unit is an OEM-style replacement intended for installation by licensed plumbers, HVAC technicians, or qualified service professionals familiar with low-voltage electrical components and water heater service procedures.

This transformer is suited for residential water heater applications where a direct replacement for the original AO SMITH component is needed. It supports the control circuitry that manages ignition sequencing and operational safety functions within the appliance. Installation is typically performed during a scheduled service call or warranty repair by a trade professional.

Key Features

• OEM-style replacement for AO SMITH water heater control circuit applications
• Supports low-voltage control board and ignition system requirements
• Direct-replacement design simplifies serviceability
• Intended for professional installation by licensed technicians

Compatibility

Designed as an OEM-style replacement transformer for AO SMITH water heating equipment. Refer to the unit nameplate and AO SMITH service documentation to confirm fitment before installation.

Installation Notes

Installation should be performed by a licensed plumber or HVAC technician familiar with water heater electrical systems. Disconnect all power to the unit and shut off any associated fuel supply before beginning service. Verify that the replacement transformer matches the voltage and VA ratings of the original component before wiring. Follow all applicable NEC requirements for low-voltage wiring and equipment replacement.

Technical Specifications

• Product Type: Transformer

Standard Information

• Brand: AO SMITH
• Manufacturer Part Number: 100113157