No. A 28 volt pitot on a 14 volt system will only develop 1/4 of the
design wattage. I feel your pain; the price of pitot tubes these days is
absolutely, downright obscene.

Rip

B2431 wrote:
Will running a 28 volt pitot tube heat on 12 volts heat it enough to use? I
keep seeing 28 volt pitot tubes on e-bay and was wondering if they would do the
job.

Dan, U.S. Air Force, retired