diff --git a/recommendations/HeatingControlRecommender.py b/recommendations/HeatingControlRecommender.py
index e224f243..7010ad53 100644
--- a/recommendations/HeatingControlRecommender.py
+++ b/recommendations/HeatingControlRecommender.py
@@ -162,6 +162,7 @@ class HeatingControlRecommender:
         self.recommendation.append(
             {
                 "type": "heating_control",
+                "parts": [],
                 "description": "upgrade heating controls to Room thermostat, programmer and TRVs",
                 **self.costs.roomstat_programmer_trvs(
                     number_heated_rooms=int(self.property.data["number-heated-rooms"]),
@@ -213,7 +214,8 @@ class HeatingControlRecommender:
         self.recommendation.append(
             {
                 "type": "heating_control",
-                "description": "upgrade heating controls to Room thermostat, programmer and TRVs",
+                "parts": [],
+                "description": "Upgrade heating controls to Time and Temperature Zone Controls",
                 **self.costs.time_and_temperature_zone_control(
                     number_heated_rooms=int(self.property.data["number-heated-rooms"])
                 ),