Get your Special Pricing!

Get a Quote

Availability: Get a Quote

Orders over $999 ship FREE*

*Free shipping applies within the continental US and weighing less than 50 lbs. Shipping and Returns Terms

Ship to Estimates

Are you from Chicago?

Yes / No

This item ships to

Change

Cancel

*shipping cost are estimated until you complete your order

Special Notes

The product is not cancelable or returnable unless found defective

Speak With a Technical Expert

Hours: 9am - 5pm CDT M-F

Call (847) 773-0645 Email Technical Expert

Documents: 52W29

More Info

52W29 | Lennox LB-74940A, Flame Sensor Kit, Straight Probe | LENNOX PARTS

Brand: LENNOX PARTSSKU: 52W29

The photo is for representation purposes only and may not be a photo of product being purchased.

Search products similar to 52W29

Jump to: Overview & Specifications Reviews

Overview Details for 52W29

LB-74940A Flame Sensor Kit (Replaces: 31l71) by LENNOX PARTS Flame Sensor Kit replaces 31L71. Protect your furnace with this essential Lennox replacement part. As a critical component of your heating system, the flame sensor ensures safe and efficient operation. Its advanced design monitors the flame signal, ensuring proper ignition and gas valve operation. This genuine Lennox kit is engineered to meet or exceed the original equipment manufacturer's specifications. Expect a perfect fit and reliable performance to keep your furnace operating at its best. By investing in this genuine Lennox part, you can extend the lifespan of your furnace, enhance comfort, and ensure peace of mind during the cold winter months. Shop our HVAC supply store for unbeatable prices and fast shipping. Trust our commitment to providing you with the highest quality parts and exceptional customer service.