Diagnose & Replace a Hot Surface Ignitor | Step-by-Step HVAC Repair Guide

If your furnace isn’t firing up, the hot surface ignitor may be the culprit. In this step-by-step video, Adam with HVAC Bee walks you through how to diagnose, test, and replace a faulty furnace ignitor like a pro. You’ll learn: ✅ How to safely disconnect power and access the ignitor ✅ What to look for when testing continuity with a multimeter ✅ Tips to avoid cracking your new ignitor during installation ✅ When to replace vs. clean the ignitor ✅ Common symptoms of a bad hot surface ignitor This guide is perfect for homeowners, new HVAC techs, or anyone who wants to understand how a furnace ignition system works. 🛠️ Tools You’ll Need: – Multimeter – ¼” Nut driver or screwdriver – Replacement ignitor (check your furnace model) ⚠️ Safety Note: Always turn off power and gas before performing HVAC repairs. 🔗 Learn More: Visit us at https://hvacbee.com for professional heating and air services near Cherokee & Cobb County, GA. Watch more HVAC tutorials here: @HVACBee YouTube Channel