Description
The Lochinvar & A.O. Smith 100165931 is an OEM replacement flame sensor with gasket, engineered to deliver accurate and dependable flame detection in Lochinvar and A.O. Smith heating equipment. Maintaining a properly functioning flame sensor is critical to safe burner operation — a faulty sensor can cause nuisance lockouts, failed ignition sequences, or unsafe operating conditions.
Product Overview
This flame sensor assembly comes complete with a gasket, ensuring a secure, leak-free installation and restoring your equipment to factory specifications. Using a genuine OEM-matched replacement part eliminates compatibility guesswork and helps maintain the efficiency and safety ratings of your heating system.
Key Features
- OEM replacement flame sensor designed for Lochinvar and A.O. Smith heating equipment
- Includes gasket for a complete, sealed installation
- Ensures accurate flame signal detection for safe burner operation
- Helps prevent nuisance lockouts caused by weak or failed flame sensing
- Direct replacement for SKU 100165931 — no modifications required
- Restores equipment to factory performance and safety standards
Application
- Compatible with select Lochinvar and A.O. Smith boilers and water heaters
- Ideal for service technicians performing routine maintenance or emergency repairs
- Verify compatibility with your specific model before installation
Why Replace Your Flame Sensor?
Over time, flame sensors can accumulate oxidation or carbon buildup on the sensing rod, degrading the microamp signal returned to the control board. A weak signal leads to repeated ignition failures and system lockouts. Replacing the flame sensor with a quality OEM part like the 100165931 restores proper signal strength and keeps your system running reliably.
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