Lochinvar & A.O. Smith Main Kit FB1001 – Part No. 100320689
The Lochinvar & A.O. Smith 100320689 Main Kit FB1001 is a genuine OEM replacement service kit designed to restore your Lochinvar or A.O. Smith boiler or water heating system to peak operating condition. Sourced directly from the manufacturer, this kit ensures a precise fit and reliable performance, eliminating the guesswork associated with aftermarket alternatives.
Why Choose an OEM Main Kit?
Using a factory-authorized replacement kit means every included component meets the original design specifications for your equipment. This helps maintain system efficiency, preserve warranty coverage, and reduce the risk of callbacks — critical for professional HVAC and plumbing contractors.
Key Features
- Genuine Lochinvar & A.O. Smith OEM replacement kit
- Part Number: 100320689 / FB1001
- Designed for precise, drop-in fitment on compatible Lochinvar and A.O. Smith boiler and water heating equipment
- Helps restore proper system operation and maintain manufacturer performance standards
- Supports long-term equipment reliability and reduced maintenance downtime
Application
This main kit is intended for use with compatible Lochinvar and A.O. Smith boiler and water heating systems. Always verify compatibility with your specific model number before installation. Consult the equipment’s service manual or contact your local distributor for model-specific guidance.
Professional Installation Recommended
For best results, installation should be performed by a qualified HVAC or plumbing technician in accordance with all applicable local codes and the manufacturer’s service instructions.
