diff --git a/pus_tc/devs/heater.py b/pus_tc/devs/heater.py
index 6e91fa1..d8d6e05 100644
--- a/pus_tc/devs/heater.py
+++ b/pus_tc/devs/heater.py
@@ -14,14 +14,14 @@ from spacepackets.ecss.tc import PusTelecommand
 
 
 class SwitchNumbers:
-    HEATER_0 = 0
-    HEATER_1 = 1
-    HEATER_2 = 2
-    HEATER_3 = 3
-    HEATER_4 = 4
-    HEATER_5 = 5
-    HEATER_6 = 6
-    HEATER_7 = 7
+    HEATER_0_OBC_BRD = 0
+    HEATER_1_PLOC_PROC_BRD = 1
+    HEATER_2_ACS_BRD = 2
+    HEATER_3_PCDU_PDU = 3
+    HEATER_4_CAMERA = 4
+    HEATER_5_STR = 5
+    HEATER_6_DRO = 6
+    HEATER_7_HPA = 7
     NUMBER_OF_SWITCHES = 8