---
product_id: 347677547
title: "Ultra Durable 52W29 Furnace Flame Sensor Replacement Part by Blue Stars - Exact Fit For Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901, LB47940A, 31L71, 31L7101"
brand: "bluestars"
price: "196CFA"
currency: XOF
in_stock: false
url: https://www.desertcart.sn/products/347677547-ultra-durable-52w29-furnace-flame-sensor-replacement-part-by-blue
store_origin: SN
region: Senegal
---

# 52W29 exact flame detection Fits Lennox, Armstrong & Ducane models Durable, high-quality replacement part Ultra Durable 52W29 Furnace Flame Sensor Replacement Part by Blue Stars - Exact Fit For Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901, LB47940A, 31L71, 31L7101

**Brand:** bluestars
**Price:** 196CFA
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Upgrade your furnace’s heartbeat — safety and efficiency in one sleek sensor!

## Quick Answers

- **What is this?** Ultra Durable 52W29 Furnace Flame Sensor Replacement Part by Blue Stars - Exact Fit For Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901, LB47940A, 31L71, 31L7101 by bluestars
- **How much does it cost?** 196CFA with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/347677547-ultra-durable-52w29-furnace-flame-sensor-replacement-part-by-blue)

## Best For

- bluestars enthusiasts

## Why This Product

- Trusted bluestars brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Risk-Free Purchase:** Backed by a money-back guarantee—if it’s not perfect, get a full refund or replacement, no questions asked.
- • **Universal Compatibility:** Seamlessly replaces multiple part numbers across top furnace brands like Lennox, Armstrong & Ducane.
- • **Cost-Effective Furnace Fix:** Save time and money by avoiding costly technician visits with this easy-to-install sensor replacement.
- • **Precision Flame Monitoring:** Ensures your furnace only runs when flame is detected, preventing gas leaks and boosting safety.
- • **Durability Meets Reliability:** Crafted from premium materials to withstand wear and maintain flawless performance over time.

## Overview

The Blue Stars 52W29 Furnace Flame Sensor is a precision-engineered replacement part designed to detect burner flames accurately, shutting off gas flow if no flame is present to prevent hazards. Compatible with a wide range of Lennox, Armstrong, and Ducane furnace models, it offers durable, high-quality construction for reliable long-term performance. This sensor is an affordable, easy-to-install solution that restores furnace safety and efficiency, backed by a hassle-free money-back guarantee.

## Description

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. Click ‘Add to Cart’ now!  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. Select your reason, and then tell us about the question.

## Features

- ✅ MODEL NUMBER: 52W29 Furnace Flame Sensor. 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.
- ✅ HIGH COMPATIBILITY: It is made exactly fit for most top name brands (Lennox, Armstrong & Ducane) and replaces part numbers: 52W2901, LB47940A, 31L71, 31L7101 - Fits Most Series of Models G40, G41, G50, G51, G60, G61, and G71 Furnaces. For details, see below or if you are unsure about the compatibility, feel free to contact us and we will be happy to help you
- ✅ PREMIUM QUALITY: The replacement part is made from durable high-quality material and well-tested by the manufacturer
- ✅ SAVE TIME AND SAVE MONEY: Inexpensive way to fix or repair a Furnace
- ✅ MONEY-BACK GUARANTEE: For any reason, you're not completely satisfied, you can ask for a replacement or full refund, no questions asked.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | BlueStars |
| Item model number | 52W29 |
| Product Dimensions | 2.54 x 2.54 x 2.54 cm; 10 g |
| ASIN | B07PDDS4H1 |

## Product Details

- **Brand:** BlueStars
- **Style:** Modern
- **Colour:** As Pictured
- **Item Weight:** 0.01 Kilograms
- **Material:** Metal
- **Manufacturer:** BlueStars

## Images

![Ultra Durable 52W29 Furnace Flame Sensor Replacement Part by Blue Stars - Exact Fit For Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901, LB47940A, 31L71, 31L7101 - Image 1](https://m.media-amazon.com/images/I/615trlPIDPL.jpg)
![Ultra Durable 52W29 Furnace Flame Sensor Replacement Part by Blue Stars - Exact Fit For Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901, LB47940A, 31L71, 31L7101 - Image 2](https://m.media-amazon.com/images/I/71F5ZOUnSVL.jpg)
![Ultra Durable 52W29 Furnace Flame Sensor Replacement Part by Blue Stars - Exact Fit For Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901, LB47940A, 31L71, 31L7101 - Image 3](https://m.media-amazon.com/images/I/71Dn7dOTz0L.jpg)
![Ultra Durable 52W29 Furnace Flame Sensor Replacement Part by Blue Stars - Exact Fit For Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901, LB47940A, 31L71, 31L7101 - Image 4](https://m.media-amazon.com/images/I/7117KvQc7-L.jpg)
![Ultra Durable 52W29 Furnace Flame Sensor Replacement Part by Blue Stars - Exact Fit For Lennox, Armstrong & Ducane Furnaces - Replaces 52W2901, LB47940A, 31L71, 31L7101 - Image 5](https://m.media-amazon.com/images/I/71A-E1jTFCL.jpg)

## Frequently Bought Together

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-12*