diff --git a/code/modules/atmospherics/machinery/components/components_base.dm b/code/modules/atmospherics/machinery/components/components_base.dm
index 764ab103587..80d80cbe4d4 100644
--- a/code/modules/atmospherics/machinery/components/components_base.dm
+++ b/code/modules/atmospherics/machinery/components/components_base.dm
@@ -3,12 +3,15 @@
 
 /obj/machinery/atmospherics/components
 	hide = FALSE
-
-	var/welded = FALSE //Used on pumps and scrubbers
+	///Is the component welded?
+	var/welded = FALSE
+	///Should the component should show the pipe underneath it?
 	var/showpipe = TRUE
-	var/shift_underlay_only = TRUE //Layering only shifts underlay?
-
+	///When the component is on a non default layer should we shift everything? Or just the underlay pipe
+	var/shift_underlay_only = TRUE
+	///Stores the component pipeline
 	var/list/datum/pipeline/parents
+	///Stores the component gas mixture
 	var/list/datum/gas_mixture/airs
 
 /obj/machinery/atmospherics/components/New()
@@ -30,9 +33,15 @@
 
 // Iconnery
 
+/**
+ * Called by update_icon(), used individually by each component to determine the icon state without the pipe in consideration
+ */
 /obj/machinery/atmospherics/components/proc/update_icon_nopipes()
 	return
 
+/**
+ * Called in Initialize(), set the showpipe var to true or false depending on the situation, calls update_icon()
+ */
 /obj/machinery/atmospherics/components/proc/hide_pipe(datum/source, covered)
 	showpipe = !covered
 	update_appearance()
@@ -50,11 +59,12 @@
 	var/connected = 0 //Direction bitset
 
 	for(var/i in 1 to device_type) //adds intact pieces
-		if(nodes[i])
-			var/obj/machinery/atmospherics/node = nodes[i]
-			var/image/img = get_pipe_underlay("pipe_intact", get_dir(src, node), node.pipe_color)
-			underlays += img
-			connected |= img.dir
+		if(!nodes[i])
+			continue
+		var/obj/machinery/atmospherics/node = nodes[i]
+		var/image/img = get_pipe_underlay("pipe_intact", get_dir(src, node), node.pipe_color)
+		underlays += img
+		connected |= img.dir
 
 	for(var/direction in GLOB.cardinals)
 		if((initialize_directions & direction) && !(connected & direction))
@@ -64,6 +74,13 @@
 		PIPING_LAYER_SHIFT(src, piping_layer)
 	return ..()
 
+/**
+ * Called by update_icon() when showpipe is TRUE, set the image for the underlay pipe
+ * Arguments:
+ * * -state: icon_state of the selected pipe
+ * * -dir: direction of the pipe
+ * * -color: color of the pipe
+ */
 /obj/machinery/atmospherics/components/proc/get_pipe_underlay(state, dir, color = null)
 	if(color)
 		. = getpipeimage('icons/obj/atmospherics/components/binary_devices.dmi', state, dir, color, piping_layer = shift_underlay_only ? piping_layer : 3)
@@ -84,11 +101,17 @@
 
 /obj/machinery/atmospherics/components/build_network()
 	for(var/i in 1 to device_type)
-		if(!parents[i])
-			parents[i] = new /datum/pipeline()
-			var/datum/pipeline/P = parents[i]
-			P.build_pipeline(src)
+		if(parents[i])
+			continue
+		parents[i] = new /datum/pipeline()
+		var/datum/pipeline/P = parents[i]
+		P.build_pipeline(src)
 
+/**
+ * Called by nullifyNode(), used to remove the pipeline the component is attached to
+ * Arguments:
+ * * -reference: the pipeline the component is attached to
+ */
 /obj/machinery/atmospherics/components/proc/nullifyPipenet(datum/pipeline/reference)
 	if(!reference)
 		CRASH("nullifyPipenet(null) called by [type] on [COORD(src)]")
@@ -127,43 +150,37 @@
 	parents[parents.Find(Old)] = New
 
 /obj/machinery/atmospherics/components/unsafe_pressure_release(mob/user, pressures)
-	..()
+	. = ..()
 
 	var/turf/T = get_turf(src)
-	if(T)
-		//Remove the gas from airs and assume it
-		var/datum/gas_mixture/environment = T.return_air()
-		var/lost = null
-		var/times_lost = 0
-		for(var/i in 1 to device_type)
-			var/datum/gas_mixture/air = airs[i]
-			lost += pressures*environment.volume/(air.temperature * R_IDEAL_GAS_EQUATION)
-			times_lost++
-		var/shared_loss = lost/times_lost
+	if(!T)
+		return
+	//Remove the gas from airs and assume it
+	var/datum/gas_mixture/environment = T.return_air()
+	var/lost = null
+	var/times_lost = 0
+	for(var/i in 1 to device_type)
+		var/datum/gas_mixture/air = airs[i]
+		lost += pressures*environment.volume/(air.temperature * R_IDEAL_GAS_EQUATION)
+		times_lost++
+	var/shared_loss = lost/times_lost
 
-		var/datum/gas_mixture/to_release
-		for(var/i in 1 to device_type)
-			var/datum/gas_mixture/air = airs[i]
-			if(!to_release)
-				to_release = air.remove(shared_loss)
-				continue
-			to_release.merge(air.remove(shared_loss))
-		T.assume_air(to_release)
-		air_update_turf(FALSE, FALSE)
-
-/obj/machinery/atmospherics/components/proc/safe_input(title, text, default_set)
-	var/new_value = input(usr,text,title,default_set) as num|null
-
-	if (isnull(new_value))
-		return default_set
-
-	if(usr.canUseTopic(src))
-		return new_value
-
-	return default_set
+	var/datum/gas_mixture/to_release
+	for(var/i in 1 to device_type)
+		var/datum/gas_mixture/air = airs[i]
+		if(!to_release)
+			to_release = air.remove(shared_loss)
+			continue
+		to_release.merge(air.remove(shared_loss))
+	T.assume_air(to_release)
+	air_update_turf(FALSE, FALSE)
 
 // Helpers
 
+/**
+ * Called in most atmos processes and gas handling situations, update the parents pipelines of the devices connected to the source component
+ * This way gases won't get stuck
+ */
 /obj/machinery/atmospherics/components/proc/update_parents()
 	for(var/i in 1 to device_type)
 		var/datum/pipeline/parent = parents[i]