diff --git a/._.DS_Store b/._.DS_Store
deleted file mode 100644
index aad76c0..0000000
Binary files a/._.DS_Store and /dev/null differ
diff --git a/Makefile b/Makefile
index 7a725c5..3e83e49 100755
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,10 @@ LIBS := -lpthread -lm
 #$DBG = -g
 $DBG =
 
+# USe below to remove unused functions and global variables.
+#LFLAGS = -Wl,--gc-sections,--print-gc-sections
+#GCCFLAGS = -Wall -ffunction-sections -fdata-sections
+
 # define any compile-time flags
 GCCFLAGS = -Wall
 
diff --git a/README.md b/README.md
index 3599ae1..c02eead 100644
--- a/README.md
+++ b/README.md
@@ -88,19 +88,21 @@ https://github.com/sfeakes/AqualinkD/wiki
 
 # Aqualink Versions tested
 This was designed for Jandy Aqualink RS, so should work with AqualinkRS and iAqualink Combo controll panels. At the moment it will not work with Aqualink PDA / AquaPalm and NON Combo iAqualink.
-Below are varified versions (But should work witn any AqualinkRS) :-
+Below are varified versions (But should work with any AqualinkRS) :-
 
 
 | Version | Notes | 
 | --- | --- |
-| JANDY AquaLinkRS 8157 REV MMM      | Everything working  |
+| Jandy Aqualink   6524 REV GG       | Everything working except water temp |
 | Jandy AquaLinkRS 8157 REV JJ       | Everything working  |
+| Jandy AquaLinkRS 8157 REV MMM      | Everything working  |
 | Jandy AquaLinkRS B0029221 REV T    | Everything working  |
 | Jandy AquaLinkRS B0029223 REV T.2  | Everything working  |
 | Jandy AquaLinkRS B0029235 REV T.1  | Everything working  |
 | Jandy iAqualink E0260801 REV R     | Everything working  |
 | AquaLink PDA / AquaPalm            | Not usable, work in progress.|
 
+If you have tested a version not listed here, please let me know by opening an issue
 #
 <!--
 
diff --git a/aq_serial.h b/aq_serial.h
index 73d651d..e24ac25 100644
--- a/aq_serial.h
+++ b/aq_serial.h
@@ -102,6 +102,8 @@
 #define LNG_MSG_CLEANER_DELAY         "CLEANER WILL TURN ON AFTER SAFETY DELAY"
 #define LNG_MSG_BATTERY_LOW           "BATTERY LOW"
 
+
+
 #define MSG_AIR_TEMP   "AIR TEMP"
 #define MSG_POOL_TEMP  "POOL TEMP"
 #define MSG_SPA_TEMP   "SPA TEMP"
@@ -109,6 +111,11 @@
 #define MSG_POOL_TEMP_LEN  9
 #define MSG_SPA_TEMP_LEN   8
 
+// Will get water temp rather than pool in some cases. not sure if it's REV specific or device (ie no spa) specific yet
+#define MSG_WATER_TEMP       "WATER TEMP"
+#define MSG_WATER_TEMP_LEN   10
+#define LNG_MSG_WATER_TEMP_SET "TEMP1 (HIGH TEMP) IS SET TO"
+
 #define MSG_SWG_PCT   "AQUAPURE"  // AquaPure 55%
 #define MSG_SWG_PPM   "SALT"  // Salt 3000 PPM
 #define MSG_SWG_PCT_LEN  8
diff --git a/aqualinkd.c b/aqualinkd.c
index 681169e..febb1e7 100644
--- a/aqualinkd.c
+++ b/aqualinkd.c
@@ -334,13 +334,13 @@ void processMessage(char *message)
       setUnits(msg);
   }
   else if(strncasecmp(msg, MSG_AIR_TEMP, MSG_AIR_TEMP_LEN) == 0) {
-    _aqualink_data.air_temp = atoi(msg+8);
+    _aqualink_data.air_temp = atoi(msg+MSG_AIR_TEMP_LEN);
    
     if (_aqualink_data.temp_units == UNKNOWN)
       setUnits(msg);
   }
   else if(strncasecmp(msg, MSG_POOL_TEMP, MSG_POOL_TEMP_LEN) == 0) {
-    _aqualink_data.pool_temp = atoi(msg+9);
+    _aqualink_data.pool_temp = atoi(msg+MSG_POOL_TEMP_LEN);
 
     if (_aqualink_data.temp_units == UNKNOWN)
       setUnits(msg);
@@ -351,7 +351,21 @@ void processMessage(char *message)
     */
   }
   else if(strncasecmp(msg, MSG_SPA_TEMP, MSG_SPA_TEMP_LEN) == 0) {
-    _aqualink_data.spa_temp = atoi(msg+8);
+    _aqualink_data.spa_temp = atoi(msg+MSG_SPA_TEMP_LEN);
+  }
+  // NSF Will get water temp rather than pool in some cases. not sure if it's REV specific or device (ie no spa) specific yet
+  else if(strncasecmp(msg, MSG_WATER_TEMP, MSG_WATER_TEMP_LEN) == 0) {
+    _aqualink_data.pool_temp = atoi(msg+MSG_WATER_TEMP_LEN);
+    _aqualink_data.spa_temp = atoi(msg+MSG_WATER_TEMP_LEN);
+    if (_aqualink_data.temp_units == UNKNOWN)
+      setUnits(msg);
+  }
+  else if(stristr(msg, LNG_MSG_WATER_TEMP_SET) != NULL) {
+    _aqualink_data.spa_htr_set_point = atoi(message+21);
+    _aqualink_data.pool_htr_set_point = atoi(message+21);
+
+    if (_aqualink_data.temp_units == UNKNOWN)
+      setUnits(msg);
   }
   else if(msg[2] == '/' && msg[5] == '/' && msg[8] == ' ') {// date in format '08/29/16 MON'
     strcpy(_aqualink_data.date, msg);
diff --git a/release/aqualinkd b/release/aqualinkd
index 17b2a85..507baf7 100755
Binary files a/release/aqualinkd and b/release/aqualinkd differ
diff --git a/release/serial_logger b/release/serial_logger
index 33e3783..b55eb8c 100755
Binary files a/release/serial_logger and b/release/serial_logger differ
diff --git a/serial_logger.c b/serial_logger.c
index 005cf31..96abeb7 100644
--- a/serial_logger.c
+++ b/serial_logger.c
@@ -181,7 +181,7 @@ int main(int argc, char *argv[]) {
           }
         }
 
-        if (packet_buffer[PKT_DEST] == DEV_MASTER && packet_buffer[PKT_CMD] == CMD_ACK) {
+        if (packet_buffer[PKT_DEST] == DEV_MASTER /*&& packet_buffer[PKT_CMD] == CMD_ACK*/) {
           //logMessage(LOG_DEBUG_SERIAL, "ID is in use 0x%02hhx %x\n", lastID, lastID);
           for (i = 0; i <= sindex; i++) {
             if (slog[i].ID == lastID) {