A.o. Smith 100309395 Universal Es Module Assembly Kit

Product Description

The A.O. SMITH 100309395 is a universal ES module assembly kit designed for LDM-series water heater applications. This kit provides the electronic service module components needed to restore proper ignition control and diagnostic functionality to compatible A.O. SMITH water heating systems. Licensed plumbers and water heater service technicians install this part as a direct factory-replacement assembly when the original ES module has failed or requires upgrade. The kit format means all necessary components arrive together, reducing return trips and keeping service calls efficient.

This assembly is intended for LDM-series water heaters where the electronic spark ignition and status monitoring module requires replacement. It is suited to both residential and light commercial water heater service scenarios. Technicians working on A.O. SMITH equipment will recognize this kit as the manufacturer-sourced solution for restoring factory-level ignition and control performance without adapting third-party components.

Key Features

• Universal ES module assembly format for LDM-series water heaters
• Kit includes all components needed for a complete module replacement
• Factory-sourced assembly maintains OEM ignition and diagnostic functionality
• Designed to restore proper electronic spark ignition control
• Reduces service time by consolidating replacement parts into one kit

Compatibility

Designed as an OEM-style replacement ES module assembly kit for A.O. SMITH LDM-series water heaters requiring universal ES module service.

Installation Notes

Installation should be performed by a licensed plumber or qualified water heater service technician. Before beginning, shut off gas supply and disconnect electrical power to the water heater. Work should comply with applicable local plumbing codes and the manufacturer service documentation supplied with the kit. Do not restore power or gas until the assembly is fully seated and all connections are secured.

Technical Specifications

• Kit Type: Universal ES Module Assembly
• Series: LDM

Standard Information

• Brand: A.O. SMITH
• Manufacturer Part Number: 100309395