Heating Coil (Extra Utilities)

The Heating Coil is an item added by. This item can be charged with any form of RF charger (e.g. an ) up to 1,500,000 RF. As it's being charged, the item texture progressively gets redder. Once the Heating Coil has been charged, it can be used as furnace fuel, using its internal RF storage to heat the furnace (at a rate of 50 RF/t and using a maximum of 15,000 RF at a time).