Gas Furnace Home › Forums › Public Forums › General Plumbing › Gas Furnace This topic has 2 replies, 3 voices, and was last updated 22 years, 4 months ago by SylvanLMP. Viewing 2 reply threads Author Posts 19 Nov 2000 at 7:11 am #273904 MasterPlumbersKeymaster Pilot Light is lit. Burner comes on for a few seconds and then goes out. is it the thermo coupling. if so how do you replace it. 19 Nov 2000 at 4:05 pm #288792 Art_xyzParticipant Need more detail of the symtoms. 20 Nov 2000 at 1:43 am #288793 SylvanLMPParticipant Pilot lit MEANS the thermo couple is doing its job MAINTAINING pilot TA DUM Author Posts Viewing 2 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In