The roof vent on your trailer is most likely for black water tank. The Lippert Components 360 Siphon RV Holding Tank Vent Cap part # LC389381 has a base with a 4" outer diameter. The holes most likely won't line up with your existing roof vent but you can drill new ones, jut make sure to seal everything up with part # 34427034145-1. The Lippert Components 360 Siphon RV Holding Tank Vent Cap is designed for a 1-1/2" or 2" diameter vent stack which is a standard size so as long as this is... view full answer...
The 2-Wire RV Propane Gas and Carbon Monoxide Detector # RS54FR comes with 2 different mounting brackets. I have included the measurements to both brackets and a video that includes these measurements beginning at the 1:10 mark of the video.
The long bracket measures 7-1/4" wide, 3-3/8" tall and hole to hole measurements of 6" (center of hole to center of hole)
The short bracket measures 5-3/4" wide, 4-1/2" tall and hole to hole measurements of 5-1/4" (center of hole to center of hole) view full answer...
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