Description Cross Reference Information 62-23543-01, 622354301 Quality you can Trust! All Snap Products are made with premium materials and are tested so they last. Compatible with the following Furnace brands: Rheem Installation Instructions Installation Instructions for 62-23543-01 Installation Instructions – Replacement Flame Sensor for SNAP Supply, LLC’s products 62-23543-01 Tools Needed: Flathead Screwdriver Turn off power to your furnace. Remove the top front access panel. Unscrew the mounting bracket containing the flame sensor. Pull out the old sensor and disconnect the wiring. Using the new sensor, connect the wiring, and place into mounting bracket. Move the bracket and sensor back into place and screw the bracket back into place. Replace the access panel. Turn on power to the furnace.