Spirit starts out blue flames but turns yellow after a bit. Reason for concern?

2 Comments

1. 

   buffalobill36001 10 months ago

   Could be a dirty burner, a partially clogged orifice, or the burner air baffle got closed

2. 

   futureman07 10 months ago

   I had something similar and mine was from a leak of propane in my hose.