Thermal plates work.

code/ATMOSPHERICS/components/unary/thermal_plate.dm

@@ -7,13 +7,14 @@
 
 	icon = 'icons/obj/atmospherics/cold_sink.dmi'
 	icon_state = "off"
+	level = 1
 
 	name = "Thermal Transfer Plate"
 	desc = "Transfers heat to and from an area"
 
 	update_icon()
-		var/prefix="_idle" // Also available: _heat, _cool
-		//var/suffix=""
+		var/prefix=""
+		//var/suffix="_idle" // Also available: _heat, _cool
 		if(level == 1 && istype(loc, /turf/simulated))
 			prefix="h"
 		icon_state = "[prefix]off"
@@ -59,6 +60,37 @@
 
 		return 1
 
+	hide(var/i) //to make the little pipe section invisible, the icon changes.
+		var/prefix=""
+		//var/suffix="_idle" // Also available: _heat, _cool
+		if(i == 1 && istype(loc, /turf/simulated))
+			prefix="h"
+		icon_state = "[prefix]off"
+		return
+
+	attackby(var/obj/item/weapon/W as obj, var/mob/user as mob)
+		if (!istype(W, /obj/item/weapon/wrench))
+			return ..()
+		var/turf/T = src.loc
+		if (level==1 && isturf(T) && T.intact)
+			user << "\red You must remove the plating first."
+			return 1
+		var/datum/gas_mixture/int_air = return_air()
+		var/datum/gas_mixture/env_air = loc.return_air()
+		if ((int_air.return_pressure()-env_air.return_pressure()) > 2*ONE_ATMOSPHERE)
+			user << "\red You cannot unwrench this [src], it too exerted due to internal pressure."
+			add_fingerprint(user)
+			return 1
+		playsound(src.loc, 'sound/items/Ratchet.ogg', 50, 1)
+		user << "\blue You begin to unfasten \the [src]..."
+		if (do_after(user, 40))
+			user.visible_message( \
+				"[user] unfastens \the [src].", \
+				"\blue You have unfastened \the [src].", \
+				"You hear ratchet.")
+			new /obj/item/pipe(loc, make_from=src)
+			del(src)
+
 	proc/radiate()
 
 		var/internal_transfer_moles = 0.25 * air_contents.total_moles()