Price Match Guarantee
In-stock parts ship the same day
365-Day Return Policy
Price Match GuaranteeGET PRO PRICING
Video & Articles: Appliance & Equipment RepairPayne Furnace Flame Sensor Replacement #LH33WZ520
Payne Furnace Flame Sensor Replacement #LH33WZ520
Skill Level
Total Parts Cost
$25.16Estimated Savings
$112.5001:56
- Description
This video provides step-by-step instructions for replacing the flame sensor on Payne furnaces. The most common reason for replacing the flame sensor is the furnace fan cycling on and off but never lighting.
All of the information in this flame sensor replacement video is applicable to the following brands: Payne
Tools used: flat head screwdriver, 1/4 inch socket
All of the information in this flame sensor replacement video is applicable to the following brands: Payne
Tools used: flat head screwdriver, 1/4 inch socket
Step By Step Instructions
1
Before you replace the flame sensor in your furnace first turn off the power to the furnace
2
Shut off the gas supply.
3
Use a flat-head screwdriver to unthread the screws securing the upper access panel and remove the panel.
4
Use a quarter-inch socket or nut driver to unthread the mounting screw to release the old flame sensor from the burner assembly.
5
Disconnect the wire.
6
Install the new flame sensor by first connecting the wire.
7
Insert the sensor through the hole in the burner assembly then thread and tighten the mounting screw.
8
Realign the upper access panel and tighten the screws to secure.
9
With the repair completed, turn the gas supply back on as well as the power and your furnace should be ready for use.
Description
This video provides step-by-step instructions for replacing the flame sensor on Payne furnaces. The most common reason for replacing the flame sensor is the furnace fan cycling on and off but never lighting.
All of the information in this flame sensor replacement video is applicable to the following brands: Payne
Tools used: flat head screwdriver, 1/4 inch socket
All of the information in this flame sensor replacement video is applicable to the following brands: Payne
Tools used: flat head screwdriver, 1/4 inch socket
Step-By-Step Instructions
1
Before you replace the flame sensor in your furnace first turn off the power to the furnace
2
Shut off the gas supply.
3
Use a flat-head screwdriver to unthread the screws securing the upper access panel and remove the panel.
4
Use a quarter-inch socket or nut driver to unthread the mounting screw to release the old flame sensor from the burner assembly.
5
Disconnect the wire.
6
Install the new flame sensor by first connecting the wire.
7
Insert the sensor through the hole in the burner assembly then thread and tighten the mounting screw.
8
Realign the upper access panel and tighten the screws to secure.
9
With the repair completed, turn the gas supply back on as well as the power and your furnace should be ready for use.
Applicable Product Model
Parts Needed
Flame Sensor
$25.16
Total$0.00
Related Articles & Videos
Our Story
Family-owned and operated since 1912, Burke America Parts Group is the longest-running genuine appliance, HVAC, and outdoor power equipment parts solution in North America. At Repair Clinic, we're proud to be an international brand trusted by the pros as well as the DIY community.
About Repair Clinic
© 2026 RepairClinic.com