52W2901 Flame Sensor for Lennox

Key features

• MODEL NUMBER: 52W2901 Furnace Flame Sensor.Note: Please check the size before purchas
• EASY TO INSTALL: It is made exactly fit for most top name brands (Lennox, Armstrong & Ducane)
• PART NUMBERS:52W2901, LB47940A, 31L71, 31L7101 - Fits Most Series of Models G40, G41, G50, G51, G60, G61, and G71 Furnaces. For details, see below
• Flame Sensor : 52w2901 flame sensor detects the furnace flame to ensure ignition. It then monitors the flame until the furnace is turned off. The total lenth is approx. 5.3 inches
• ATTENTION: Please consult your machine manual before ordering to make sure the replacement parts are correct

SPECIFICATIONSThe flame sensor monitors the burner to detect whether or not a flame is present. 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 it's the ability to sense the flame, even when the flame is present.Works with the following models:(G40DF) 45, 45X, 70, 70X, 90, 90X, 110, 110X, 135, 155 (G40UH) 45, 45X, 70, 70X, 90, 90X, 110, 110X, 135, 155 (G41UF) 45, 70, 90, 110, 135 (G43UF) 45, 70, 90, 90H, 110, 110H, 135 (G50DF) 45, 45X, 70,70X ,90, 90X, 110, 110X, 135 (G50UH)45, 45X, 70, 70X, 90, 90X, 110, 110X, 135, 155, I70, I70X, I90. I90XI 110, I110X, I135 (G50UHI) I70, I70X, I90, I90X, I110, I110X, I135 (G51MP) 45, 70, 90, 110, 135 (G60DF) 45, 45X, 70, 70X, 90, 110, 135, V70, V70X, V90, V90X, V110, V110X, V135 (G60DFV) V70, V70X, V90, V90X, V110, V110X, V135 (G60UH) 45, 45X, 70, 70X, 90, 90X, 110, 110X, 135, V70, V70X, V90, V90X, V110, V110X, V135 (G60UHV) V70, V70X, V90, V90X, V110, V110X, V135 (61MP) 45, 70, 90, 110, 135, V45, V70, V90, V91, V110, V111, V135 (61MPV) V45, V70, V71, V90, V91, V110, V111, V135Replace part numbers: 52w29, 52W2901, 31L71, LB-74940A, 31L7101, 28PV4

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