14:33

No Heat One Burner Lighting, How to Diagnose. EP46

6:47

Furnace Flame Roll Out Switch Tripped - How it Works

9:18

Revealing the Easiest Method to Test Cracked Furnace Heat Exchanger

8:28

This Furnace Malfunction KILLS PEOPLE! Homeowners Should watch (ROLLOUT GAS BURN FURNACE)

6:36

Watching A Furnace Run With A Cracked Heat Exchanger

5:33

Roll Out Switch Diagnosis

6:49

Furnace Flame Rolling Out? Don’t Condemn Heat Exchanger Flame Blow Out Creates HAVOC

3:39

Flame rollout from a blocked heat exchanger, gas furnace