Lochinvar & A.O. Smith 100111304 Lower Thermostat

LOWER THERMOSTAT W/ECO WH9C

Lochinvar & A.O. Smith 100111304 Lower Thermostat with ECO – Model WH9C

The Lochinvar & A.O. Smith 100111304 Lower Thermostat with ECO (WH9C) is a genuine OEM replacement part designed to ensure accurate temperature regulation and safe operation of compatible water heaters. This lower thermostat helps maintain consistent water temperature while improving system efficiency and reliability.

Equipped with an Energy Cut-Off (ECO) safety feature, this thermostat provides an added layer of protection by shutting down the heating element if water temperatures exceed safe limits. It’s an essential component for maintaining both performance and safety in residential and commercial water heating systems.

Built to meet original manufacturer specifications, the 100111304 lower thermostat delivers dependable performance, long service life, and proper system compatibility when replacing a worn or faulty unit.

🔧 Product Features

• Genuine OEM replacement part

• Designed for Lochinvar and A.O. Smith water heaters

• Lower thermostat with integrated ECO (Energy Cut-Off)

• Helps maintain accurate and consistent water temperature

• Supports safe heater operation by preventing overheating

• Durable construction for long-lasting performance

📋 Specifications

• Part Number: 100111304

• Model: WH9C

• Product Type: Lower Thermostat with ECO

• Application: Water Heater Temperature Control

⚠️ Safety Information

California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.