Lochinvar L100278134 Interface Control Board

Product Description

The LOCHINVAR L100278134 is an interface control board designed to manage communication and operational signals within a Lochinvar heating system. This component serves as the central interface between the user controls and the internal system functions, coordinating inputs and outputs to maintain proper system operation. Licensed HVAC technicians and hydronic heating specialists typically install and service this board as part of a boiler or water heater control system. Its role in signal routing and system communication makes it a critical replacement part when the original board fails or malfunctions.

The L100278134 interface control board is intended for use in Lochinvar heating equipment where the original board has reached end of service life or has been damaged. This board supports proper system sequencing and communication in residential and light commercial applications. Installation is performed during a full unit service call or targeted control system repair by a qualified technician familiar with hydronic or boiler system controls.

Key Features

• Functions as the primary interface between user controls and internal system components
• Supports signal coordination and operational sequencing within the heating unit
• OEM-style replacement designed to restore original system functionality
• Suited for use in Lochinvar boiler and water heater control systems

Compatibility

Designed as an OEM-style replacement interface control board for Lochinvar heating systems. Consult Lochinvar documentation or the unit nameplate to confirm compatibility with a specific model before ordering.

Installation Notes

Installation should be performed by a licensed HVAC technician or qualified hydronic heating professional. Shut down the unit and disconnect power at the breaker before removing or handling any control board. Allow all capacitors and stored energy in the system to discharge before making contact with electrical components. Follow all applicable local codes and manufacturer service documentation during replacement.

Technical Specifications

• Component Type: Interface Control Board

Standard Information

• Brand: LOCHINVAR
• Manufacturer Part Number: L100278134