My direct drive unit won't blow up, I'm only using the HX and not a separate gas or oil fired heater. If something breaks, and it will in time, I'll replace it: engine, driveshaft, Cat Pump, blower, and if I do something stupid the HX. Now if a community organizer steals my van and totals it, then I would buy another White Magic, or a Cleanco since there are local distributors in my area who can work on them. I'm not so sure about a
Butler, but maybe as they all cost about the same and do the same thing and a lot of places can work on these simple machines.