This batches in a reasonabl-ish looking circuit connector
require ("circuit-connector-sprites")
circuit_connector_definitions["heat-processing-heater"] = circuit_connector_definitions.create_single
(
universal_connector_template,
{ variation = 26, main_offset = util.by_pixel(0.5, 26), shadow_offset = util.by_pixel(2.5, 30.5), show_shadow = true }
)
local heater_entity = {
type = "reactor",
name = "heat-processing-heater",
....
default_temperature_signal = {type = "virtual", name = "signal-T"},
circuit_wire_max_distance = reactor_circuit_wire_max_distance,
circuit_connector = circuit_connector_definitions["heat-processing-heater"]
}