When listing thermocouples & thermopiles on Facebook Marketplace, selecting the correct category is essential for visibility. The recommended path is Tools & home improvement → Tools → Measuring tools & sensors → Thermocouples & thermopiles.
This category placement ensures your listing appears in relevant searches and category browsing, helping potential buyers find your thermocouples & thermopiles quickly. Using the correct category also improves your listing's performance in Facebook's recommendation algorithm.