Bluestars Ultra Durable 52W29 Furnace Flame Sensor Replacement Part - Compatible With Lennox Armstrong & Ducane Furnaces - Replaces 52W2901 LB47940A

SPECIFICATIONS

The 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, 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, 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, V90, V90X, V110, V110X, V135
- (G60DFV) V70, V70X, V90, V90X, V110, V110X, V135
- (G60UH) 45, 45X, 70, 70X, 90, 90X, 110, 110X, 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, V111, V135
- (61MPV) V45, V70, V71, V90, V91, V110, V111, V135

Replace part numbers: 52W2901, LB47940A, 31L71, 31L7101

Fixes the following symptoms:
The furnace does not heat

Count on our 52W29 Furnace Flame Sensor for an unrivaled mix of durability, convenient functionality, and great value for money.

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If you are unsure our replacement part will fit your appliance model, you can ask us in Customer questions & answers section or contact us by visiting the Blue Stars LLC storefront -- click the "Blue Stars LLC" on a product page to get to the storefront -- then click the "Ask a question" link under Further Information.

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