Lochinvar & A.O. Smith 100208511 Prepurge Relay – 24VAC

Description

The Lochinvar & A.O. Smith 100208511 is an OEM replacement prepurge relay designed to support safe and reliable burner ignition sequencing in compatible Lochinvar and A.O. Smith heating equipment. Operating at 24VAC, this relay plays a critical role in the combustion control sequence by managing the prepurge cycle — the timed purging of the combustion chamber with air before ignition is initiated. This process helps eliminate residual gases, reducing the risk of ignition failure or unsafe combustion events.

Key Features

• OEM replacement relay engineered for Lochinvar and A.O. Smith heating systems
• 24VAC operating voltage for compatibility with standard low-voltage control circuits
• Supports prepurge sequencing to ensure safe combustion chamber clearance prior to ignition
• Designed for reliable, long-term performance in demanding boiler and water heater applications
• Direct OEM part number 100208511 for accurate, hassle-free replacement

Application

This prepurge relay is intended for use in Lochinvar and A.O. Smith boilers and water heaters that incorporate a timed prepurge cycle as part of their burner management and flame safeguard control sequence. Always verify compatibility with your specific equipment model before installation.

Why Choose OEM Parts?

Using genuine OEM replacement components like the 100208511 ensures your equipment operates within its original design parameters, preserving system efficiency, safety, and warranty compliance. Avoid costly downtime and callbacks by specifying the correct part every time.