Description
Lochinvar & A.O. Smith 100208509 — 120V Power Relay
The Lochinvar & A.O. Smith 100208509 is a 120-volt power relay engineered as a genuine OEM replacement component for compatible Lochinvar and A.O. Smith boilers and water heating equipment. Power relays serve a critical role in HVAC and hydronic systems, acting as electrically operated switches that control high-current circuits from a low-power signal — ensuring precise, reliable operation of burners, pumps, blowers, and other system loads.
Key Features
- OEM replacement power relay for Lochinvar & A.O. Smith equipment
- Rated for 120V operation
- Provides dependable switching control for boiler and water heater systems
- Designed for direct fit and easy installation on compatible units
- Helps restore proper system sequencing and operational safety
Application
This power relay is intended for use in Lochinvar and A.O. Smith boilers and commercial or residential water heating systems that require 120V relay switching. Always verify compatibility with your specific model before installation.
Why Choose OEM Parts?
Using genuine OEM components like the 100208509 ensures your equipment operates within factory specifications, maintains warranty compliance, and delivers the long-term reliability your system demands. Trust Jackson Systems for authentic Lochinvar & A.O. Smith replacement parts.







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