Description
The Lochinvar & A.O. Smith 100157734 is an OEM-specification induced draft motor engineered as a direct replacement for compatible Lochinvar and A.O. Smith heating equipment. Induced draft motors play a critical role in the combustion process, drawing flue gases through the heat exchanger and out the venting system to maintain safe, efficient operation of your boiler or water heater.
Product Overview
Designed to restore proper draft and combustion airflow in systems where the original motor has failed or degraded, this replacement motor is built to match OEM performance standards. Using a genuine or OEM-equivalent part helps ensure your equipment operates within designed safety and efficiency parameters, protecting both the appliance and the building occupants.
Key Features
- OEM-specification induced draft motor for Lochinvar and A.O. Smith equipment
- Direct replacement designed for precise fit and function
- Supports proper combustion airflow and flue gas evacuation
- Helps maintain safe and efficient boiler or water heater operation
- Manufactured to match original equipment performance standards
Applications
- Compatible with select Lochinvar and A.O. Smith boilers and water heaters
- Ideal for service, maintenance, and repair applications
- Suitable for residential and light commercial HVAC and hydronic systems
Why Choose OEM-Spec Replacement Parts?
Using the correct replacement motor — matched by part number — ensures proper motor speed, mounting configuration, and electrical compatibility. This reduces the risk of nuisance lockouts, improper draft, or premature equipment failure. Always verify compatibility with your specific unit model before installation.







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