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I tried to contact Garball to get a copy of his manual. Does anyone know how to contact him? Please PM me.

Thanks Glider, I'll look at the Bartlett controllers. It will be a bit before I have time to retrofit this little oven.

I found a great article on building/retrofitting a furnace: https://www.hobby-machinist.com/threads/heat-treat-furnace-build.59556/ I like the idea of using 1 SSR and a contractor. I also am thinking I should incorporate a door interlock switch and a more appropriately sized panel circuit...

I have a few more questions: Please look at the knife dogs post I listed previously. What type of wire would you recommend for rewiring the elements on the outside of the furnace? Would you invest in high temperature wire? Also, I plan on using two SSR's, one for the sides circuit and one...

I have recently purchased the same oven. I think I will use two SSR’s and one controller to get it operational. My furnace works but the meter is flakey.

Thanks for the reply. I priced out a complete system from Auber with the 2.5GHz wifi connection and it comes to about $230, postage paid, for a controller, 2 SSR's, 2 Heat Sinks, a lighted buzzer, and a new thermocouple. I'm pretty sure I have a lighted switch to power off the system...

I searched the web and I like the look of this controller alot: https://www.auberins.com/index.php?main_page=product_info&cPath=1&products_id=1111 But I don't know who else makes a programmable slope, dwell controller that can be programmed (and possibly has a phone app). I think I'll use 2...

I bought a really cute little KH Huppert 236DL 240V furnace. It was given to the owner and I couldn't test it for the owner really didn't know what the furnace was and he had no way to plug it in at his house. I gave it a 50/50 chance that it would work but the price was right... I got the...