diff --git a/WiThrottle.cpp b/WiThrottle.cpp
index 6223fdf..a9c319c 100644
--- a/WiThrottle.cpp
+++ b/WiThrottle.cpp
@@ -131,7 +131,8 @@ void WiThrottle::parse(RingStream * stream, byte * cmdx) {
     else if (!heartrateSent) {
          heartrateSent=true;
         // allow heartbeat to slow down once all metadata sent     
-        StringFormatter::send(stream,F("*%d\n"),HEARTBEAT_SECONDS);
+        StringFormatter::send(stream,F("*%d\nHMConnected\n"),HEARTBEAT_SECONDS);
+
     }
   }
   
@@ -187,7 +188,7 @@ void WiThrottle::parse(RingStream * stream, byte * cmdx) {
       }
       break;
     case 'N':  // Heartbeat (2), only send if connection completed by 'HU' message
-      StringFormatter::send(stream, F("*%d\n"), heartrateSent ? HEARTBEAT_SECONDS : HEARTBEAT_SECONDS/2); // return timeout value
+      StringFormatter::send(stream, F("*%d\n"), heartrateSent ? HEARTBEAT_SECONDS : HEARTBEAT_PRELOAD); // return timeout value
       break;
     case 'M': // multithrottle
       multithrottle(stream, cmd); 
@@ -500,8 +501,8 @@ void WiThrottle::sendIntro(Print* stream) {
 	StringFormatter::send(stream,F("HtDCC-EX v%S, %S, %S, %S\n"), F(VERSION), F(ARDUINO_TYPE), DCC::getMotorShieldName(), F(GITHUB_SHA));
 	StringFormatter::send(stream,F("PTT]\\[Turnouts}|{Turnout]\\[THROW}|{2]\\[CLOSE}|{4\n"));
 	StringFormatter::send(stream,F("PPA%x\n"),TrackManager::getMainPower()==POWERMODE::ON);     
-	// set heartbeat to 5 seconds because we need to sync the metadata (1 second is too short!)
-  StringFormatter::send(stream,F("*%d\n"), HEARTBEAT_SECONDS/2);
+	// set heartbeat to 2 seconds because we need to sync the metadata (1 second is too short!)
+  StringFormatter::send(stream,F("*%d\nHMConnecting..\n"), HEARTBEAT_PRELOAD);
 }
 
 void WiThrottle::sendTurnouts(Print* stream) {
diff --git a/WiThrottle.h b/WiThrottle.h
index 459a559..6756943 100644
--- a/WiThrottle.h
+++ b/WiThrottle.h
@@ -45,7 +45,8 @@ class WiThrottle {
     ~WiThrottle();
    
       static const int MAX_MY_LOCO=10;      // maximum number of locos assigned to a single client
-      static const int HEARTBEAT_SECONDS=10; // heartbeat at 4secs to provide messaging transport
+      static const int HEARTBEAT_SECONDS=10; // heartbeat at 10 secs to provide messaging transport
+      static const int HEARTBEAT_PRELOAD=2; // request fast callback when connecting multiple messages
       static const int ESTOP_SECONDS=20;     // eStop if no incoming messages for more than 8secs
       static WiThrottle* firstThrottle;
       static int getInt(byte * cmd);
diff --git a/WifiInboundHandler.cpp b/WifiInboundHandler.cpp
index ce8d3cf..f302432 100644
--- a/WifiInboundHandler.cpp
+++ b/WifiInboundHandler.cpp
@@ -31,7 +31,6 @@ WifiInboundHandler * WifiInboundHandler::singleton;
 
 void WifiInboundHandler::setup(Stream * ESStream) {
   singleton=new WifiInboundHandler(ESStream);
-  // DIAG(F("WifiInbound Setup2 %P %P"), ESStream,singleton);
 }
 
 void WifiInboundHandler::loop() {
@@ -45,7 +44,6 @@ WifiInboundHandler::WifiInboundHandler(Stream * ESStream) {
   inboundRing=new RingStream(INBOUND_RING);
   outboundRing=new RingStream(OUTBOUND_RING);
   pendingCipsend=false;
-  // DIAG(F("WifiInbound setup1 %P"), wifiStream);
 } 
 
 
@@ -53,20 +51,13 @@ WifiInboundHandler::WifiInboundHandler(Stream * ESStream) {
 // +IPD,x,lll:data is stored in streamer[x]
 // Other input returns  
 void WifiInboundHandler::loop1() {
-   static bool XX=true;
-   if (XX) DIAG(F("Wifi 1"));
-
+  
    // First handle all inbound traffic events because they will block the sending 
-   if (loop2()!=INBOUND_IDLE) {
-       if (XX) DIAG(F("Wifi 2"));
-      return;
-   }
-if (XX) DIAG(F("Wifi 3"));
-
+   if (loop2()!=INBOUND_IDLE) return;
+   
    WiThrottle::loop(outboundRing);
- if (XX) DIAG(F("Wifi 4"));
-  XX=false;
-    // if nothing is already CIPSEND pending, we can CIPSEND one reply
+
+   // if nothing is already CIPSEND pending, we can CIPSEND one reply
     if (clientPendingCIPSEND<0) {
        clientPendingCIPSEND=outboundRing->read();
        if (clientPendingCIPSEND>=0) {
@@ -97,9 +88,6 @@ if (XX) DIAG(F("Wifi 3"));
       }
    }
 
-
-
-
 // This is a Finite State Automation (FSA) handling the inbound bytes from an ES AT command processor    
 
 WifiInboundHandler::INBOUND_STATE WifiInboundHandler::loop2() {
diff --git a/version.h b/version.h
index 7e3a73a..b7e7c4f 100644
--- a/version.h
+++ b/version.h
@@ -4,7 +4,10 @@
 #include "StringFormatter.h"
 
 
-#define VERSION "4.2.7a"
+#define VERSION "4.2.9"
+// 4.2.9 Withrottle connecting improvements
+// 4.2.8 Report board type when provided
+// 4.2.7 Cleanup wifi disconnect issues and highmem
 // 4.2.6 FIX: Remove RAM thief
 //       FIX: ADC port 8-15 fix
 // 4.2.5 Make GETFLASHW code more universal