In fact lets use the constants instead of bare numbers for use_power everywhere.

code/ATMOSPHERICS/components/binary_devices/binary_atmos_base.dm

@@ -1,7 +1,7 @@
 /obj/machinery/atmospherics/binary
 	dir = SOUTH
 	initialize_directions = SOUTH|NORTH
-	use_power = 1
+	use_power = USE_POWER_IDLE
 
 	var/datum/gas_mixture/air1
 	var/datum/gas_mixture/air2

code/ATMOSPHERICS/components/binary_devices/dp_vent_pump.dm

@@ -20,7 +20,7 @@
 
 	level = 1
 
-	use_power = 0
+	use_power = USE_POWER_OFF
 	idle_power_usage = 150		//internal circuitry, friction losses and stuff
 	power_rating = 7500			//7500 W ~ 10 HP
 

code/ATMOSPHERICS/components/binary_devices/passive_gate.dm

@@ -12,7 +12,7 @@
 	name = "pressure regulator"
 	desc = "A one-way air valve that can be used to regulate input or output pressure, and flow rate. Does not require power."
 
-	use_power = 0
+	use_power = USE_POWER_OFF
 
 	var/unlocked = 0	//If 0, then the valve is locked closed, otherwise it is open(-able, it's a one-way valve so it closes if gas would flow backwards).
 	var/target_pressure = ONE_ATMOSPHERE

code/ATMOSPHERICS/components/binary_devices/pump.dm

@@ -26,7 +26,7 @@ Thus, the two variables affect pump operation are set in New():
 
 	//var/max_volume_transfer = 10000
 
-	use_power = 0
+	use_power = USE_POWER_OFF
 	idle_power_usage = 150		//internal circuitry, friction losses and stuff
 	power_rating = 7500			//7500 W ~ 10 HP
 
@@ -47,7 +47,7 @@ Thus, the two variables affect pump operation are set in New():
 
 /obj/machinery/atmospherics/binary/pump/on
 	icon_state = "map_on"
-	use_power = 1
+	use_power = USE_POWER_IDLE
 
 
 /obj/machinery/atmospherics/binary/pump/update_icon()

code/ATMOSPHERICS/components/binary_devices/volume_pump.dm

@@ -11,7 +11,7 @@
 	power_rating = 15000	//15000 W ~ 20 HP
 
 /obj/machinery/atmospherics/binary/pump/high_power/on
-	use_power = 1
+	use_power = USE_POWER_IDLE
 	icon_state = "map_on"
 
 /obj/machinery/atmospherics/binary/pump/high_power/update_icon()