diff --git a/example_panasonic_heatpump.yaml b/example_panasonic_heatpump.yaml
index 963b371..2effc8b 100644
--- a/example_panasonic_heatpump.yaml
+++ b/example_panasonic_heatpump.yaml
@@ -249,6 +249,8 @@ sensor:
       name: "Bivalent Advanced Stop Delay"
     top138:
       name: "Bivalent Advanced DHW Delay"
+    top142:
+      name: "Expansion Valve"
 
     xtop0:
       name: "Heat Power Consumption Extra"
diff --git a/tests/panasonic_heatpump/test_panasonic_heatpump_full.yaml b/tests/panasonic_heatpump/test_panasonic_heatpump_full.yaml
index 6aa062a..26441ac 100644
--- a/tests/panasonic_heatpump/test_panasonic_heatpump_full.yaml
+++ b/tests/panasonic_heatpump/test_panasonic_heatpump_full.yaml
@@ -240,6 +240,8 @@ sensor:
       name: "Bivalent Advanced Stop Delay"
     top138:
       name: "Bivalent Advanced DHW Delay"
+    top142:
+      name: "Expansion Valve"
     xtop0:
       name: "Heat Power Consumption Extra"
     xtop1: