69W43 Flame Sensor Furnace: OEM Upgraded Qualified Flame Sensor for Furnace Replacement for Compatible with Lennox, Ducane, Armstrong Furnaces - Replace 69W4301 LB-74940B LB74940B (1 PCS)

Key features

• [Simple and Cost-Effective]OEM 69W43 Upgraded Flame Sensor for Furnace,just spend a small amount of money to DIY repair your machine rather than spending 100-200 for a technician to come out and fix it.
• [Easy to Install]Furnace Flame Sensor only several steps to complete the installation. I believe you can install it easily.
• [Compatibility]Designed for the gas HVAC system. A good replacement for Compatible with Lennox flame sensor 69W43 ,exact Fit For Compatible with Lennox, Armstrong & Ducane Furnaces - Replaces 69W4301 LB-74940B LB74940B
• [Functionality]Burner flame sensor 69W43 detects when the burner flame has ignited and sends a signal to the control board to stop the igniter from operating. If the sensor does not detect a flame, it shuts the gas valve off, preventing raw gas from dumping into your home. Over time, a flame sensor may lose its ability to sense the flame, even when the flame is present.
• [Durability]Made of high-quality wear-resistant and high-temperature resistant metal and ceramics, tested by the manufacturer and durable.

69W43 Flame Sensor Furnace: OEM Upgraded Qualified Flame Sensor for Furnace Replacement for Compatible with Lennox, Ducane , Armstrong Furnaces - Replace 69W4301 LB-74940B LB74940B The furnace flame sensor is designed to detect the flame safely. If the sensor does not detect a flame, it shuts the gas valve off, preventing raw gas from dumping into your home. Over time, a flame sensor may lose its ability to sense the flame, even when the flame is present. This time it needs to be replaced the old flame detector in time. DURABILITY: Made of high-quality wear-resistant and high-temperature resistant metal and ceramics, tested by the manufacturer and durable. can last for long. COMPATIBLE: Designed for the gas HVAC system. A good replacement for Lennox Furnaces 69W43 sensor,exact Fit For Compatible with Lennox, Armstrong & Ducane Furnaces - Replaces 69W4301 LB-74940B LB74940B INSTALL PROCESS: Step 1:Power Off the Furnace Step 2:Open the Cover of the Furnace Step 3:Relace the New Sensor 69W43 Step 4: Power On the Furnace and Enjoy it

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