diff --git a/contrib/scripts/readallvaillantregisters.sh b/contrib/scripts/readallvaillantregisters.sh
new file mode 100755
index 00000000..cdd6dc47
--- /dev/null
+++ b/contrib/scripts/readallvaillantregisters.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+port=8888
+if [ "x$1" = "x-p" ]; then
+  shift
+  port=$1
+  shift
+fi
+addr=08
+if [ "x$1" = "x-a" ]; then
+  shift
+  addr=$1
+  shift
+fi
+for (( i=0; i<512; i++ )) ; do
+  h=`printf "%4.4X" $i`
+  ret=`echo "hex ${addr}b509030d${h##??}${h%%??}"|nc localhost $port|head -n 1`
+  echo $i "=" $ret
+done