Lochinvar L100275510 Main Control Board

Product Description

The LOCHINVAR L100275510 is a main control board designed to serve as the primary electronic brain of compatible boiler or water heating systems. This board manages core operating functions including ignition sequencing, burner control, temperature regulation, and system safety shutoffs. It is a direct-replacement component intended for installation by licensed plumbers, HVAC technicians, or hydronic heating specialists working on equipment that relies on this board for safe, reliable operation.

This control board is suited for residential or light commercial boiler and water heating applications where the original control board has failed or is no longer functioning within spec. It restores full electronic control to the system, including all safety interlock and operating logic functions that the original board provided.

Key Features

• Serves as the primary control board managing ignition, burner operation, and temperature logic
• Designed as an OEM-style replacement to restore original system functionality
• Supports safety shutoff and interlock circuit management
• Direct drop-in form factor for compatible LOCHINVAR equipment

Compatibility

Designed as an OEM-style replacement control board for compatible LOCHINVAR boiler and water heating systems. Verify the part number against your equipment's wiring diagram or service manual before ordering.

Installation Notes

Control board replacement should be performed by a licensed HVAC technician or plumber with experience in hydronic heating systems. Disconnect all electrical power to the unit and shut off the gas supply before beginning any service work. Follow all applicable local codes and the manufacturer's service documentation when making electrical connections and restoring the system to operation. After installation, verify all safety interlock circuits and operating functions before returning the equipment to service.

Technical Specifications

• Component Type: Main Control Board

Standard Information

• Brand: LOCHINVAR
• Manufacturer Part Number: L100275510