diff --git a/nodes/heatExchanger b/nodes/heatExchanger
index f53f62a..3391069 160000
--- a/nodes/heatExchanger
+++ b/nodes/heatExchanger
@@ -1 +1 @@
-Subproject commit f53f62a5220ef39b529242b97561a1afe273aa09
+Subproject commit 3391069ab08587ea083750d112db0fc2f4a3ba9f