I don't do enough cold weather camping to justify the Extend A Stay's extra cost. The description of the Extend A Flow indicated that newer, built-in tanks require the Extend A Flow Plus and not just the Extend A Flow, so I got the Plus.
I won't know until next month if it works.
09 Newmar Ventana 3942 (bunkbeds for the munchkins)
08 Ford Taurus X AWD Toad
69 Road Runner Convertible 528 Hemi 4 Speed