diff --git a/code/game/machinery/atmo_control.dm b/code/game/machinery/atmo_control.dm
index 01eb10eac94..053c89aaf21 100644
--- a/code/game/machinery/atmo_control.dm
+++ b/code/game/machinery/atmo_control.dm
@@ -152,9 +152,9 @@ obj/machinery/computer/general_air_control/Destroy()
 	var/list/output_info
 
 	var/default_input_flow_setting = 200
-	var/default_pressure_setting = ONE_ATMOSPHERE * 45
+	var/default_pressure_setting = 2000
 	var/max_input_flow_setting = ATMOS_DEFAULT_VOLUME_PUMP + 500
-	var/max_pressure_setting = 50 * ONE_ATMOSPHERE
+	var/max_pressure_setting = 15000
 	circuit = /obj/item/circuitboard/air_management/tank_control
 
 /obj/machinery/computer/general_air_control/large_tank_control/wall
@@ -247,7 +247,7 @@ obj/machinery/computer/general_air_control/Destroy()
 	var/default_input_flow_setting = 700
 	var/default_pressure_setting = 100
 	var/max_input_flow_setting = ATMOS_DEFAULT_VOLUME_PUMP + 500
-	var/max_pressure_setting = 10 * ONE_ATMOSPHERE
+	var/max_pressure_setting = 1000
 	circuit = /obj/item/circuitboard/air_management/supermatter_core
 
 /obj/machinery/computer/general_air_control/supermatter_core/vueui_data_change(var/list/data, var/mob/user, var/datum/vueui/ui)
diff --git a/code/game/machinery/atmoalter/canister.dm b/code/game/machinery/atmoalter/canister.dm
index d969b6cd60c..84df3012dc9 100644
--- a/code/game/machinery/atmoalter/canister.dm
+++ b/code/game/machinery/atmoalter/canister.dm
@@ -20,7 +20,7 @@
 
 	var/canister_color = "yellow"
 	var/can_label = 1
-	start_pressure = 45 * ONE_ATMOSPHERE
+	start_pressure = 5000
 	var/temperature_resistance = 1000 + T0C
 	volume = 1000
 	use_power = POWER_USE_OFF
diff --git a/code/game/objects/items/weapons/circuitboards/computer/air_management.dm b/code/game/objects/items/weapons/circuitboards/computer/air_management.dm
index e263d635cb5..fac2fd3df12 100644
--- a/code/game/objects/items/weapons/circuitboards/computer/air_management.dm
+++ b/code/game/objects/items/weapons/circuitboards/computer/air_management.dm
@@ -21,7 +21,7 @@
 	var/list/output_info = list()
 
 	var/input_flow_setting = 200
-	var/pressure_setting = ONE_ATMOSPHERE * 45
+	var/pressure_setting = 2000
 
 /obj/item/circuitboard/air_management/supermatter_core
 	name = T_BOARD("core control")
diff --git a/code/modules/atmospherics/components/unary/vent_pump.dm b/code/modules/atmospherics/components/unary/vent_pump.dm
index 5075b80d5a0..71711f1abc2 100644
--- a/code/modules/atmospherics/components/unary/vent_pump.dm
+++ b/code/modules/atmospherics/components/unary/vent_pump.dm
@@ -62,8 +62,8 @@
 	icon_state = "map_vent_in"
 	external_pressure_bound = 0
 	external_pressure_bound_default = 0
-	internal_pressure_bound = MAX_PUMP_PRESSURE
-	internal_pressure_bound_default = MAX_PUMP_PRESSURE
+	internal_pressure_bound = 2000
+	internal_pressure_bound_default = 2000
 	pressure_checks = 2
 	pressure_checks_default = 2
 
@@ -76,8 +76,8 @@
 	icon_state = "map_vent_in"
 	external_pressure_bound = 0
 	external_pressure_bound_default = 0
-	internal_pressure_bound = MAX_PUMP_PRESSURE
-	internal_pressure_bound_default = MAX_PUMP_PRESSURE
+	internal_pressure_bound = 2000
+	internal_pressure_bound_default = 2000
 	pressure_checks = 2
 	pressure_checks_default = 2
 
diff --git a/html/changelogs/atmos_vol_tanks_output_fix.yml b/html/changelogs/atmos_vol_tanks_output_fix.yml
new file mode 100644
index 00000000000..949a8fc61a2
--- /dev/null
+++ b/html/changelogs/atmos_vol_tanks_output_fix.yml
@@ -0,0 +1,6 @@
+author: SleepyGemmy
+
+delete-after: True
+
+changes:
+  - bugfix: "Fixes the atmospherics volume tanks starting at 15000 kPa output pressure."
\ No newline at end of file