That's right. Yours seems different

Thanks Chris, I appreciate it

Clever

But otherwise the flame is contained within the ceramic disc, right? That's the way mine had been all along, and what I expect from an IR a stove. Then one day it wasn't

...Since I ended up back at HD I figured I would add a photo. This is a shot of some ripening cherries out on property. {image}

I use Invertek VFD's on old 3ph grinders. I can highly recommend them. Very easy to set up

I get high flames intermittently from chaff. I haven't noticed that it affects the roast

The criticism and expectation is totally justifiable given the price premium. I still suspect the abuse of the word Kona in marketing is part of the perception problem. I can go to a retailer like Whole Foods or Central Market for example, and I bet a lot of places online, and find bags that claim to be Kona and maybe

2 years of happy ownership so far

That is an interesting comment and observation. I can see how being able to slow the flow rate down to nothing has value. At a flow rate of 5.6mL/sec the resistance of the puck would certainly have to be a factor if one is trying to get into the 20-30 second times (or longer). So it seems