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The LOCHINVAR L100167833 is an integrated control board designed for Lochinvar water heater units in the WH55-110 series. This control manages the core operating functions of the water heater, including ignition sequencing, temperature regulation, and safety monitoring. It serves as the central electronic brain of the appliance, coordinating burner operation and system diagnostics. Licensed plumbers and HVAC technicians typically handle replacement of this component as part of water heater servicing or failure diagnosis.
This integrated control is suited for commercial and residential water heating applications where the WH55-110 series is installed. It is a direct replacement component for units that have experienced control board failure, erratic temperature behavior, or fault codes indicating electronic control malfunction. Installers should verify the unit model designation before ordering to confirm fitment.
Designed as a direct OEM-style replacement integrated control for Lochinvar WH55-110 series water heaters.
Installation should be performed by a licensed plumber or HVAC technician familiar with commercial or residential water heating systems. Before servicing, shut off power to the unit at the disconnect or breaker and allow the system to cool. Follow all applicable local codes and manufacturer guidelines when replacing electronic control components. Confirm all wiring connections are secure and properly seated before restoring power.
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