Properly fixes igniters by increasing the max hotspot expose temperature of sparks to 700

code/game/objects/effects/effect_system/effects_sparks.dm

@@ -30,20 +30,20 @@
 	playsound(src, "sparks", 100, TRUE)
 	var/turf/T = loc
 	if(isturf(T))
-		T.hotspot_expose(300,5)
+		T.hotspot_expose(700,5)
 	QDEL_IN(src, 20)
 
 /obj/effect/particle_effect/sparks/Destroy()
 	var/turf/T = loc
 	if(isturf(T))
-		T.hotspot_expose(300,1)
+		T.hotspot_expose(700,1)
 	return ..()
 
 /obj/effect/particle_effect/sparks/Move()
 	..()
 	var/turf/T = loc
 	if(isturf(T))
-		T.hotspot_expose(300,1)
+		T.hotspot_expose(700,1)
 
 /datum/effect_system/spark_spread
 	effect_type = /obj/effect/particle_effect/sparks

code/game/objects/items/RPD.dm

@@ -187,6 +187,7 @@ GLOBAL_LIST_INIT(transit_tube_recipes, list(
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 100, "acid" = 50)
 	resistance_flags = FIRE_PROOF
 	var/datum/effect_system/spark_spread/spark_system
+	var/effectcooldown
 	var/working = 0
 	var/p_dir = NORTH
 	var/p_flipped = FALSE
@@ -207,7 +208,7 @@ GLOBAL_LIST_INIT(transit_tube_recipes, list(
 /obj/item/pipe_dispenser/New()
 	. = ..()
 	spark_system = new /datum/effect_system/spark_spread
-	spark_system.set_up(5, 0, src)
+	spark_system.set_up(1, 0, src)
 	spark_system.attach(src)
 	if(!first_atmos)
 		first_atmos = GLOB.atmos_pipe_recipes[GLOB.atmos_pipe_recipes[1]][1]
@@ -313,8 +314,9 @@ GLOBAL_LIST_INIT(transit_tube_recipes, list(
 			else
 				mode |= n
 
-	if(playeffect)
+	if(playeffect && world.time >= effectcooldown)
 		spark_system.start()
+		effectcooldown = world.time + 100
 		playsound(get_turf(src), 'sound/effects/pop.ogg', 50, 0)
 
 /obj/item/pipe_dispenser/pre_attack(atom/A, mob/user)

code/modules/power/singularity/emitter.dm

@@ -66,7 +66,7 @@
 
 	sparks = new
 	sparks.attach(src)
-	sparks.set_up(5, TRUE, src)
+	sparks.set_up(1, TRUE, src)
 
 /obj/machinery/power/emitter/ComponentInitialize()
 	. = ..()