Section F: Page 63 thru 71 --- Dometic RM3804
http://www.wanderlodgegurus.com/database/WanderlodgeForum/Files/Dometic%20Diagnostics.pdfIn order for propane to properly cool the Flue has to be clean, the Flue Baffle has to be clean (It is the means by which heat generated by flame is transferred to perk tube)....stack temp S/B 350* PLUS (Electric heat is 330*F)
Flame has to be Strong steady BLUE that reaches just inside flue opening and Centered (can not be touching sides of flue)
Clean burner slots, clean orifice, clean flue/flue baffle and GOOD ventilation...and proper LP System Pressure (11"WC---0.4 psi)
Does it look like this??