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I noticed a mistake on my schematic. I tried to edit the post but I guess I can't after some time has passed. The original schematic shows the neutral going to the heating element receptacles. This is obviously wrong. Actually, the ground goes to those terminals instead. Here is an updated...

Generally, you'll size the wire for the load, and the fuse for the wire. Here's a good reference: http://www.oznium.com/forum/topic15761

A lot of folks spend money they don't have to installing spa panels (or subpanels). Generally, you don't need them. If your main breaker panel has two slots available, and it's not currently overloaded, you can have the electrician install a 30A GFCI and run you a line from there to where you...

If you're looking to keep the box water proof/resistant, then a backplane is a good idea. If not, it doesn't matter. I would mount the SSRs off of the plastic, though. If you're using small heat sinks for them, you could mount them on some standoff posts for better air circulation...

Me too. I kept buying those 20' packs and the box kept eating them up. I think I ended up with four. Seems like a lot of wire, but it all fits... ...somehow.

Maybe, but it's pretty handy to reach over and hit when wort is shooting across the room because a hose came loose or burst, or a boilover is happening and you don't have time the adjust the tiny PID buttons. Plus, if you have kids in the house and in the neighborhood (I think I have around...

Micah, maybe this will help... I have some control panel templates available too. Go the the DIY section of the forum to my post yesterday for more info. By the way, the 3-way switch is a good idea. You can get one from Automation Direct for $13.50. The lights are certainly optional for...

All, I thought maybe these would be of some use to folks. They are schematics and templates that I designed to upgrade my RIMS system to a HERMS setup. The files are available in Visio format, which can be printed out and used as templates for your control panel (if you have a...