diff --git a/lib/Global/Global.h b/lib/Global/Global.h
index 520def4..29fea9d 100644
--- a/lib/Global/Global.h
+++ b/lib/Global/Global.h
@@ -12,8 +12,11 @@ source repository.
 #define DEVICE_NAME "Glycol Chiller"
 #define DEVICE_MDL "Chillenator v0.1"
 #define DEVICE_MF "Damn Yankee Brewing"
-#define FERMENTER_COUNT 2
+
 #define ONE_WIRE_BUS D2
+#define GLYCOL_RELAY D3
+#define FERMA_RELAY  D4
+#define FERMB_RELAY  D5
 
 const size_t DOC_SIZE = JSON_OBJECT_SIZE(29) + JSON_ARRAY_SIZE(4);