I neglected to make sure the pressure readout was visible the first time I tried it, and failed to push the receiver all the way down on it, so it failed to inflate and I had no clue until I just happened to turn it and see it. Then it clicked in my brain,I pushed it down further, and it worked.
When it works, it does get hot quick as others reported. I plan to use the filler hose to keep the heat farther away.
Works as advertised.
