Heat Exchanger Controller is a block from Nuclearcraft Neoteric, crafted from Basic Electric Circuit, Heat Exchanger Casing, and Bucket.
Crafting using Basic Electric Circuit, Heat Exchanger Casing, Basic Electric Circuit, Heat Exchanger Casing, Bucket, Heat Exchanger Casing, Basic Electric Circuit, Heat Exchanger Casing and Basic Electric Circuit, arranged in the pattern shown. Produces Heat Exchanger Controller.
Crafting 
Heat Exchanger Controller guaranteed| source | count | chance | conditions |
|---|---|---|---|
| Heat Exchanger Controller | 1–1 | 100% | — |
Drops itself when broken.
nuclearcraft:heat_exchanger_controllernuclearcraftnuclearcraftminecraft:blocks/mineable/pickaxe minecraft:blocks/needs_iron_tool nuclearcraft:blocks/heat_exchanger_casing
Recipe JSON (1):
{
"recipe_type": "minecraft:crafting_shaped",
"pattern": [
"GCG",
"CBC",
"GCG"
],
"ingredients": {
"B": {
"item": "minecraft:bucket"
},
"C": {
"item": "nuclearcraft:heat_exchanger_casing"
},
"G": {
"item": "nuclearcraft:basic_electric_circuit"
}
},
"conditions": [],
"sequence": null,
"group_name": "nuclearcraft_heat_exchanger",
"experience": null,
"cooking_time": null
}