Fix pipe layering

code/ATMOSPHERICS/components/binary_devices/binary_atmos_base.dm

@@ -3,6 +3,8 @@
 	initialize_directions = SOUTH|NORTH
 	use_power = IDLE_POWER_USE
 
+	layer = GAS_PUMP_LAYER
+
 	var/datum/gas_mixture/air1
 	var/datum/gas_mixture/air2
 

code/ATMOSPHERICS/components/binary_devices/circulator.dm

@@ -15,8 +15,6 @@
 
 	var/obj/machinery/power/generator/generator
 
-	layer = 2.45 // Just above wires
-
 	anchored = 1
 	density = 1
 

code/ATMOSPHERICS/components/trinary_devices/trinary_base.dm

@@ -4,6 +4,7 @@
 	use_power = IDLE_POWER_USE
 
 	var/on = 0
+	layer = GAS_FILTER_LAYER
 
 	var/datum/gas_mixture/air1
 	var/datum/gas_mixture/air2

code/ATMOSPHERICS/components/unary_devices/outlet_injector.dm

@@ -2,7 +2,7 @@
 	icon = 'icons/atmos/injector.dmi'
 	icon_state = "map_injector"
 	use_power = IDLE_POWER_USE
-	layer = 3
+	layer = GAS_SCRUBBER_LAYER
 
 	can_unwrench = 1
 

code/ATMOSPHERICS/components/unary_devices/portables_connector.dm

@@ -6,7 +6,7 @@
 	desc = "For connecting portables devices related to atmospherics control."
 
 	can_unwrench = 1
-	layer = 2.4
+	layer = GAS_FILTER_LAYER
 
 	var/obj/machinery/portable_atmospherics/connected_device
 

code/ATMOSPHERICS/components/unary_devices/vent_pump.dm

@@ -10,6 +10,8 @@
 	desc = "Has a valve and pump attached to it"
 	use_power = IDLE_POWER_USE
 
+	layer = GAS_SCRUBBER_LAYER
+
 	can_unwrench = 1
 	var/open = 0
 

code/ATMOSPHERICS/components/unary_devices/vent_scrubber.dm

@@ -6,6 +6,7 @@
 
 	name = "air scrubber"
 	desc = "Has a valve and pump attached to it"
+	layer = GAS_SCRUBBER_LAYER
 
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 10