bd97d5ce_WindPower_s_config___TF2_Wiki__mouse2
[Class] Pyro [mouse3] mouse3: Attack with melee weapon, then go back to flamethrower Shift+mouse3: Panic mode (see below) [R] "Activate charge!" [Number keys] Weapon selection [Weapon lock] Enabled by default: Mouse wheel up: Flamethrower Mouse wheel down: Shotgun/flare gun [Preferences] Mouse wheel lock can be disabled in the Preferences. [Extra features] "Ding-a-ling" sound is quieter "Ding-a-ling" sound is even quieter while firing Panic mode toggles direction [mouse2] 
Click: Select flamethrower if not selected; airblast if using regular flamethrower and if flamethrower selected Hold: Select flamethrower if not selected, then airblast immediately if using regular flamethrower
WindPower's config - TF2 Wiki
mouse2