I think the nice Weller irons are using 24 volts DC between the box and the tip. Why deal with filtering and conversion to run a PID temperature controller, whi

I think the nice Weller irons are using 24 volts DC between the box and the tip. Why deal with filtering and conversion to run a PID temperature controller, which you'll need anyway to get a mains iron to run as precisely as a high-end device?