Looks like Bullfrog lost their UL listing after I sent UL a letter about Bullfrog’s many violations to the ANSI code.
Seriously though, this is just another reason that the person in Colorado is wrong about Hotspring. It just appears many manufacturers are switching to other entities to certify their product.
See the attached article at the bottom of the page.
http://www.poolspanews.com/2006/021/021quickhits.html#8