diff --git a/states.h b/states.h
--- a/states.h
+++ b/states.h
@@ -11,21 +11,24 @@ typedef struct {
     uint8_t tc_errno;
 } therm_status_t;
 
-typedef struct {
-    uint8_t boottobrew;
-    uint8_t temp_units;
-    uint16_t windup_guard;
-    uint16_t k_p;
-    uint16_t k_i;
-    uint16_t k_d;
-    int16_t temp_offset;
-    uint8_t ignore_tc_error;
-    int16_t setpoint_brew;
-    int16_t setpoint_steam;
+typedef union
+{
+     struct {
+        uint32_t boottobrew;
+        uint32_t temp_units;
+        uint32_t windup_guard;
+        uint32_t k_p;
+        uint32_t k_i;
+        uint32_t k_d;
+        int32_t temp_offset;
+        uint32_t ignore_tc_error;
+        int32_t setpoint_brew;
+        int32_t setpoint_steam;
+    } val;
+
+    uint16_t data[128];
 } therm_settings_t;
 
-
-
 enum tempunits {
     TEMP_UNITS_CELSIUS = 0,
     TEMP_UNITS_FAHRENHEIT,