Originally Posted by sideshow_ben
I expect that once you buy a couple silicone o-rings, washers, bolts, an adapter for the tubing and a float it will come out to about the same price as the Blichmann model.
From Grianger web site, it says the total before s&h come to 38.73. eh?
But yeah, that's about right. Blichmann AutoSparge sells for an extra $11, but it is a much better design for a MLT than the one from Grainger (great site by the way... finally found 3 way SS ball valves!) The AutoSparge comes with a washer and nut for mounting to your HLT, and a hose with flotation device is already included. The autosparge has also been tested at Purdue University's mass spectrometer for lead content, and is well below limits required for water supply. The float ball looks a ton shinier than grainger's. I like my sparge balls very shinny.
I really like using the autosparge because the little floaty thing keeps the hose in nice spot, and does not move but a few kernels in the light whirlpool of water above the grain bed. I'm pretty sure its more adjustable as well. The ball can be placed +-7 degrees i believe. The teeth on one side of the rod holder are rotated one half tooth to give more adjustment. The risk of hot side aeration is significantly reduced because the wort flows directly back to the top of the wort in the MLT right at wort level.
Here's the boss talking about it. (can you believe we ruined a 20gal pot just for display purposes?)