Lochinvar 100145023 Combustion Air Blower Fan Assembly

The Lochinvar 100145023 is a genuine OEM combustion air blower fan assembly designed specifically for Lochinvar Power-Fin commercial boilers and water heaters. This critical component provides the necessary airflow for proper combustion and efficient operation of your heating equipment.

Key Features:

• Genuine Lochinvar OEM replacement part ensuring perfect fit and reliable performance
• Also known by alternate part number FAN3727
• Designed for Power-Fin models PB and PF 501, 502, 751, 752, 1001, 1002, 1300, and 1302
• Essential for maintaining proper combustion air supply in Category IV venting systems
• Creates positive pressure in the vent system for safe and efficient operation
• Direct replacement for worn or failed combustion blower assemblies

This combustion blower is a vital component in Power-Fin boilers and water heaters, operating the combustion process while simultaneously exhausting flue products from the building. The fan maintains the precise airflow requirements needed for high-efficiency operation with thermal efficiencies up to 87%. When replacing your combustion air fan, always use genuine Lochinvar parts to ensure continued safe operation and maintain warranty coverage.