Lochinvar 100288439 ECS937 Replacement Electronic Control Board SBN/L Series

The Lochinvar 100288439 is an OEM replacement ECS937 Electronic Control Board designed for use with Lochinvar SBN/L series water heaters and boilers. This control board serves as the central management system for unit operation, monitoring key inputs and outputs to ensure safe, efficient, and reliable performance.

Key Features:

• OEM Lochinvar replacement control board for direct, plug-and-play installation
• Designed specifically for Lochinvar SBN/L series units
• ECS937 board manages ignition sequencing, temperature regulation, and safety shutoffs
• Ensures precise monitoring and control of burner and system functions
• Helps restore full factory operation when original board has failed

Replacing a faulty control board with a genuine Lochinvar OEM part ensures compatibility and maintains the manufacturer's performance and safety standards. Always consult your unit's service manual and follow proper lockout/tagout procedures before performing any control board replacement. This part carries Lochinvar's OEM part number 100288439 and is referenced by board designation ECS937.