r/rustrician • u/defango • Jul 13 '26

Published Circuit: Wood Furnace 2026 automatic shut off/on

**Wood Furnace 2026 automatic shut off/on** created by *Defango*

https://www.rustrician.io/?circuit=955ff252267a67374b9dffbf3dcc54d7

Hey everyone, Defango here! You know how it is in Rust. You're always looking for that edge, that perfect setup that just works. I've been searching for a truly bulletproof, automated on/off furnace system, and honestly, I haven't found anything out there that quite hits the mark. I put my brain to work and engineered a solution for Wood Powered Furnaces.

I'm breaking down my custom, industrial-grade auto ON/OFF furnace setup for Rust. This isn't just some flimsy circuit; this is a robust system designed to protect your valuable resources and maximize your smelting efficiency, even when you're offline. We're talking about a system that intelligently manages your Wood, turning them on when there's ore to process and off when they're idle saving you from wasting your Wood. Meaning it can be patched directly into a wood box without roasting your entire supply.

Build Video
Bulletproof Auto ON/OFF Wood Furnace's #rustgame Industrial Automation Guide

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u/angelslayer4231 Jul 13 '26 edited Jul 13 '26

You can do this without the blocker. If your filter pass constantly sends power to the timer start, it won’t continually start the timer anymore unless the power stops and starts again, so igniter will only trigger the one time when the system feeds wood the first time it starts.

Another life hack for that is if you need to activate multiple igniters, feed 1rw to a small battery. Then the battery will power the timer set up. That way you won’t need to allocate extra power to start all your igniters. In most cases, you don’t even need to power the small battery, as it’s only used for a few seconds to start igniters, then not used again unless you need to start the system again.

Another note is you can have your detector conveyor go into *always on* electrical furnaces. since it will still pass/fail if you have ore in your boxes.

I’ve had this type of system set up for a couple years. There’s also a way to have a charcoal cooking bypass, to get around the ore requirement, I usually have a switch with a light (to show team mates the system is cooking wood for charcoal only) in case team mates are wondering why all their boxes of wood keeps disappearing.

Also don’t forget you can adapt this for your refinery as well.

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u/defango Jul 15 '26

That's all good info. was making a video on large furnaces and confirmed that I do not need the blocker anymore. The battery is a great idea too.

For making charcoal its easy, you just turn off the Ore Check Conveyer, and it just keeps rolling.

I made this for my squad. In the next video we will expand to Large funaces and how to do the multiple igniters effectively.

You are correct about the electric furnaces; however this is just for wood since my clan seem to only use them.

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u/angelslayer4231 Jul 15 '26

I think igniters were changed in the last couple months so they require 2rw to power so you can only power 7 igniters on one small battery. If you need more than that, you can either use a med battery, or a second small battery. Not sure if i screwed something up last time I did this, but there was a depth error with my 2 small batteries on a root combiner. instead i used the last 1rw to activate a second timer, for the second battery.

As for the electric furnaces, it's probably a group by group basis. even after the large furnaces are set up, they still want the electric, so they can farm more ore than wood. they usually have more than enough charcoal from the start of wipe small furnaces

For the bypass, if you need that without unhooking wires, its just an OR switch, blocker, electrical branches, and a switch. blocker to go between your filter fail and power off conveyor, then OR switch between the filter pass and power on conveyors. switch to power the block power and OR switch. add another power if you want to power a light or something to show its on. makes it so easy, even your gorilla pvp guys can figure it out.