diff --git a/FHEM/32_TechemHKV.pm b/FHEM/32_TechemHKV.pm
index 55c3a4373..7bdce97a1 100644
--- a/FHEM/32_TechemHKV.pm
+++ b/FHEM/32_TechemHKV.pm
@@ -26,7 +26,8 @@ TechemHKV_Initialize(@) {
   # require "Broker.pm";
 
   # TECHEM HKV
-  $hash->{Match}      = "^b..446850[\\d]{8}6980....A0.*";
+  # 61, 64 without T1 and T2
+  $hash->{Match}      = "^b..446850[\\d]{8}(61|64|69)80....A0.*";
 
   $hash->{DefFn}      = "TechemHKV_Define";
   $hash->{UndefFn}    = "TechemHKV_Undef";
@@ -99,8 +100,8 @@ TechemHKV_Notify (@) {
     if (($e[0] eq 'ATTR') && ($e[2] eq 'rfmode') && ($e[3] ne 'WMBus_T')) {
     readingsBeginUpdate($hash);
     readingsBulkUpdate($hash, "state", "standby (IO missing)", 1);
-    readingsBulkUpdate($hash, "temp1", "--.--");
-    readingsBulkUpdate($hash, "temp2", "--.--");
+    readingsBulkUpdate($hash, "temp1", "--.--") if exists($hash->{READINGS}->{'temp1'}); # exlude versions without t1,t2
+    readingsBulkUpdate($hash, "temp2", "--.--") if exists($hash->{READINGS}->{'temp2'});
     readingsEndUpdate($hash, 1);
     }
   }
@@ -121,10 +122,12 @@ TechemHKV_Receive(@) {
   $hash->{METER} = $typeText{$msg->{type}};
   delete $hash->{CHANGETIME}; # clean up, workaround for fhem prior http://forum.fhem.de/index.php/topic,47474.msg391964.html#msg391964
   
-  readingsBeginUpdate($hash);
-  readingsBulkUpdate($hash, "temp1", $msg->{temp1});
-  readingsBulkUpdate($hash, "temp2", $msg->{temp2});
-  readingsEndUpdate($hash, 1);
+  if (($msg->{version} || '') eq '69') {
+    readingsBeginUpdate($hash);
+    readingsBulkUpdate($hash, "temp1", $msg->{temp1});
+    readingsBulkUpdate($hash, "temp2", $msg->{temp2});
+    readingsEndUpdate($hash, 1);
+  }
 
   # day period changed
   $ats = ReadingsTimestamp($hash->{NAME},"current_period", "0");
@@ -401,7 +404,7 @@ TechemHKV_crc16_13757(@) {
   <ul>
     <li>meter data for current billing period</li>
     <li>meter data for previous billing period including date of request</li>
-    <li>both temperature sensors</li>
+    <li>both temperature sensors (if supported by data meter)</li>
   </ul> 
   <br>
   It will require a CUL in WMBUS_T mode, although the CUL may temporary set into that mode. 
@@ -451,7 +454,7 @@ TechemHKV_crc16_13757(@) {
   <ul>
     <li>Wert des aktuellen Abrechnungszeitraumes</li>
     <li>Wert des vorhergehenden Abrechnungszeitraumes einschließlich des Ablesedatums</li>
-    <li>Beide Temperatur Sensoren</li>
+    <li>Beide Temperatur Sensoren (sofern der Heizkostenverteiler sie sendet)</li>
   </ul> 
   <br>
   Zum Empfang wird ein CUL im WMBUS_T mode benötigt. Dabei ist es ausreichend ihn vorrübergehend in diesen Modus zu schalten.