Lochinvar 100072940 Wire Harness

Product Description

The Lochinvar 100072940 is a wire harness designed for use in commercial and residential heating systems. Wire harnesses are essential components in boilers, water heaters, and HVAC equipment. They bundle and route electrical wiring between control boards, sensors, pumps, gas valves, ignitors, and other critical components. A properly functioning wire harness ensures clean, reliable electrical connections throughout the unit. Without it, a system cannot receive or transmit the signals needed to operate safely and efficiently.

The Lochinvar 100072940 wire harness is a direct OEM replacement part. It is built to match the original factory specifications for the equipment it serves. Using an OEM harness means the connectors, wire gauges, insulation ratings, and lengths are correct for the application. This reduces the risk of electrical faults, shorts, or failed connections that can result from using an incompatible aftermarket part.

HVAC technicians and boiler service professionals rely on wire harnesses during routine maintenance and emergency repairs. A damaged, corroded, or burned harness is a common cause of system lockouts and error codes. Replacing the harness with a factory-matched unit like the Lochinvar 100072940 is a straightforward fix that restores normal operation. This part is also compatible with A.O. Smith equipment, reflecting the shared engineering and components between these two trusted brands in the heating industry.

This part is well suited for service contractors, plumbing and heating professionals, and facilities maintenance teams working on Lochinvar or A.O. Smith boilers and water heaters. Having the correct replacement harness on hand minimizes downtime and keeps heating systems running safely.

• OEM wire harness replacement for Lochinvar and A.O. Smith heating equipment
• Ensures reliable electrical connections between control boards, sensors, and system components
• Direct factory-matched fit reduces installation time and eliminates compatibility concerns

Product Highlights

The Lochinvar 100072940 wire harness is an OEM replacement part that restores safe, reliable electrical operation in Lochinvar and A.O. Smith boilers and water heaters. It is a trusted solution for HVAC and plumbing professionals handling system repairs and preventive maintenance.

Product Information

Standard Information

• Brand: LOCHINVAR
• Manufacturer Part Number: 100072940

Technical Specifications

• Component Type: Wire Harness
• Compatible Brands: Lochinvar, A.O. Smith
• Part Classification: OEM Replacement
• Application: Boilers and Water Heaters