its a canadian van..  i havent seen it yet.  just going by  pics..   the
knob isnt the typical green gas heater knob that says  "temp"  it looks like a
cold start knob.. that's why i was wondering.

In a message dated 3/7/2017 11:59:19 A.M. Eastern Standard Time,
w.jeff.palmer@ICLOUD.COM writes:

Cold  start knob on a water boxer?? Only a gas heater knob.

Jeff