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The Fluid Combiner takes 180 scrap to reach on the Engineering Workbench tech tree.
What one batch takes.
Metal Fragments
Copy it, then hold Shift and click Paste (JSON) in the conveyor, in game.
[
{
"TargetCategory": null,
"MaxAmountInOutput": 75,
"BufferAmount": 0,
"MinAmountInInput": 0,
"IsBlueprint": false,
"TargetItemName": "metal.fragments"
}
]
Workbench Level 1, 15s, yields 1
Faster at a higher workbench: 7.5s at Workbench Level 2, 3.75s at Workbench Level 3.
Researching the blueprint costs 15 scrap at a Research Table.
Crates, barrels and NPCs that drop the Fluid Combiner, most likely first
| From | Chance | Amount |
|---|---|---|
 Sunken Chest | 1.1% | 1 |
 Normal Crate | 0.44% | 1 |
 Wagon Normal Crate | 0.44% | 1 |
Scientist | 0.16% | 1 |
Tunnel Dweller and Underwater Dweller | 0.16% | 1 |
Chance is for one container opened or one NPC killed. Amount is how many it holds when it holds any.
Each swing charges the share of the cost for 50 health, rounded up to whole resources, and restores as much health as it paid for, which can be more than 50. Nothing can be repaired for 30 seconds after it takes damage.
What the Fluid Combiner gives back in each recycler
| Recycler | Efficiency | You get |
|---|---|---|
| Red recycler | 75% | 56 + 25% Metal Fragments |
| Green recycler (powered) | 60% | 45 Metal Fragments |
| Green recycler | 50% | 37 + 50% Metal Fragments |
| Yellow recycler | 40% | 30 Metal Fragments |
The Fluid Combiner breaks down into Metal Fragments.
A recycler takes them one at a time, so a full stack of 5 goes through in 5 cycles.
Figures are for one item in perfect condition. Each recycler’s name opens its full table at this item. “56 + 25%” means 56 every time and a 25% chance of one more.
In Rust, Fluid Combiner is a electrical in the Electrical category (item ID #-265292885, console shortname fluid.combiner). In active play, it follows standard server rules for electrical gear across procedural maps. Inventory storage stacks up to 5 units per slot, and uncollected ground drops despawn after 5 minutes.
Combines three separate fluid connections into one connection.
Crafting Fluid Combiner in Rust takes 15 seconds at a Workbench Level 1 once the 15 scrap blueprint node is unlocked, with all ballistics, crafting, and durability values read from the Rust game files. Shredding a spare copy at a green recycler recovers base materials at fifty percent yield (vs forty percent at safe-zone yellow units). Placed structures heal with a Hammer using raw materials from your inventory.
When choosing between Fluid Combiner and related electrical in Rust, prioritize researching a looted or traded copy at a Research Table (15 scrap) whenever you want to skip the 180-scrap tech tree path and save 165 scrap, or unlock the tech tree branch when your group also needs the prerequisite blueprints.
| Item | Category | Stack Limit | Craft / Source | Tech Tree / Research | Green Recycler Yield |
|---|---|---|---|---|---|
| Fluid Combiner | Electrical | 5 per slot | Workbench Level 1 | 15 node / 180 path | Not recyclable |
| Root Combiner | Electrical | 5 per slot | Workbench Level 1 | 30 node / 150 path | Not recyclable |
| Industrial Combiner | Electrical | 5 per slot | Workbench Level 1 | 15 node / 345 path | Not recyclable |
| Fluid Splitter | Electrical | 5 per slot | Workbench Level 1 | 15 node / 195 path | Not recyclable |
Compare Fluid Combiner with closely related electrical sheets in the Rust item catalog:
To compare Fluid Combiner against every item in its inventory category, browse All 83 items in Electrical, or plan prerequisite scrap paths on the The Engineering Workbench tech tree, tile by tile.
The Fluid Combiner has 200 health once placed in Rust. It belongs to the Electrical category under numeric ID -265292885 across 83 electrical, while F1 console command inventory.giveid -265292885 5 spawns 5 units for testing across 83 published Electrical entries (79 with crafting blueprints).
The Fluid Combiner is crafted at a Workbench Level 1 from 75 Metal Fragments, once the blueprint is learned in Rust. Raw ores smelt into metal inputs in a furnace while non-craftable components must be looted from monument crates before queuing the craft at your workbench.
The Fluid Combiner drops from 5 container and NPC loot tables in Rust, led by Sunken Chest (1.1% chance), Normal Crate (0.44% chance), and Wagon Normal Crate (0.44% chance). Each listed probability reflects a single container opened or NPC killed, and found copies can be repaired or researched at base.
The Fluid Combiner recycles in Rust at an unpowered green recycler into 37 Metal Fragments plus a 50% chance of one more. Full material recovery applies to an undamaged copy, whereas worn items return proportionally fewer resources based on their remaining condition bar when shredded.
The Fluid Combiner takes 15 seconds to craft, down to 3.75 seconds at Workbench Level 3 in Rust. It sits in the Electrical catalog with item ID -265292885 alongside 82 related electrical, with F1 console command inventory.giveid -265292885 5 across 83 published Electrical entries.
The Fluid Combiner repairs in Rust once placed with a Hammer for up to 38 Metal Fragments at full wear (4 swings). Hammer repairs draw materials straight from your inventory with zero maximum-health penalty, provided the placed object has not taken damage within the last 30 seconds.
Blueprint progression for Fluid Combiner at Engineering Workbench in Rust charges 15 scrap on the target node and 180 cumulative scrap along the prerequisite branch, while direct blueprint study at a Research Table charges 15 scrap. It belongs to the Electrical category under numeric ID -265292885 across 83 electrical.
Dropped on the ground in Rust, the Fluid Combiner despawns after 5 minutes by default. Picking it back up into a player inventory or storing it inside a base container immediately resets that ground despawn timer, which the server scales by item rarity tier.
The Fluid Combiner has 32-bit signed item ID -265292885 and shortname fluid.combiner in Rust. Server plugins, custom loot tables, Vending Machine listings, and automated Industrial Conveyor filter strings reference these two identifiers under the Electrical category (stack limit 5 units per slot).
Server administrators in Rust spawn the Fluid Combiner in the F1 developer console with inventory.give fluid.combiner 5 or inventory.giveid -265292885 5 for 5 units. Both console spawn commands require administrator or moderator privileges on the server, while regular players can bind a quick-craft shortcut key instead.