diff --git a/HotWaterManager.h b/HotWaterManager.h
index 0dfb810..5afb79e 100644
--- a/HotWaterManager.h
+++ b/HotWaterManager.h
@@ -15,7 +15,7 @@
 
 // ******** Debug definitions **********
 // Leave commented for production!
-//#define SIMTEMP               683                         // Use this to test the program without actual temperature sensors connected. 683 simulates 68.3 Celcius
+//#define SIMTEMP               437                         // Use this to test the program without actual temperature sensors connected. 683 simulates 68.3 Celcius
 //#define SIMVOLT               141                         // Use this to test the program for a specific voltage. 141 simulates 14.1
 //#define USEDEFAULT            1                           // declutter the EPROM, use the defaults
 
diff --git a/HotWaterManager.ino b/HotWaterManager.ino
index d934afa..5bf0b99 100644
--- a/HotWaterManager.ino
+++ b/HotWaterManager.ino
@@ -135,7 +135,7 @@ const char sfx_minutes[] PROGMEM = " minutes";
 const char sfx_days[]    PROGMEM = " days";
 const char sfx_percent[] PROGMEM = " percent";
 const char sfx_volts[]   PROGMEM = "V";
-const char sfx_deg[]     PROGMEM = "\xDF""C";
+const char sfx_deg[]     PROGMEM = "\xDF""K";
 const char sfx_ohms[]    PROGMEM = "\xF4";
 const char* const suffixes[] = {sfx_seconds,sfx_minutes,sfx_days,sfx_percent,sfx_volts,sfx_deg,sfx_ohms};
 
@@ -182,7 +182,7 @@ const menu_t PROGMEM menu[]= {
     {"LED Mode",        0,          MENU_8,                           0,    4,    1,    &fptr_ledmode,      &rom.ledmode},
     {"Vlt Calibration", 0,          MENU_16,                          920,  1080, 1,    &fptr_showvoltage,  &rom.calibration},
     {"Pump Source",     0,          MENU_8,                           0,    2,    1,    &fptr_pumpsource,   &rom.pumpMode},
-    {"Pump delta",      6,          MENU_16+MENU_SIGNED,              5,    100,  5,    &fptr_dummy,        &rom.pumpdelta},
+    {"Pump delta",      6,          MENU_16+MENU_SIGNED+1,            5,    100,  5,    &fptr_dummy,        &rom.pumpdelta},
     {"Pump afterrun",   1,          MENU_16,                          0,    300,  30,   &fptr_dummy,        &rom.pumpafterrun},
     {"Hot Water timer", 2,          MENU_16,                          0,    180,  15,   &fptr_dummy,        &rom.hwv_timer},
     {"Hot Water pwr",   4,          MENU_8,                           50,   100,  10,   &fptr_dummy,        &rom.hwv_pwm},
@@ -1066,7 +1066,7 @@ void fptr_ledmode() {
     static const char lmod0[] PROGMEM = "Touch";
     static const char lmod1[] PROGMEM = "Warm water";
     static const char lmod2[] PROGMEM = "Heating up";
-    static const char lmod3[] PROGMEM = "HW Valve";
+    static const char lmod3[] PROGMEM = "Solenoid";
     static const char lmod4[] PROGMEM = "Legionella";
     static const char* const ledmods[] = {lmod0,lmod1,lmod2,lmod3,lmod4};
 
@@ -1111,7 +1111,7 @@ void printMenu(uint8_t item, boolean edit, boolean fahrenheit) {
 
     if(code==MENU_SHOW) {
         if(edit)
-            lcd.print(F("Hold btn to exit"));
+            lcd.print(F("Hold to exit"));
         else
             pgmLcdPrint(menu[item].txt);
         lcd.setCursor(2,1);