[bones]

Stays lit for 5 or 10 seconds. Electronic ignition , nice flame but goes out. Checked vacuum tubing- is the vacuum switch bad?

 

[doody]

there might be too much air coming in from your vent

 

[bones]

power vent

Has a power vent with no obstructions and has good amount of air coming out.

 

[doody]

what about thermal coupling cheap to replace

 

[hayewe farm]

Clean the flame sensor wipe the end off with a folded dollar bill.

 

[bones]

got it fixed

Noticed moisture in vacuum tubing near power vent so I took off tubing at vacuum switch and at vent and blew air through. Stayed lit and still going.