diff --git a/etl/customers/stonewater/Wave 3 Preparation.py b/etl/customers/stonewater/Wave 3 Preparation.py
index 02a5cd83..0af43310 100644
--- a/etl/customers/stonewater/Wave 3 Preparation.py	
+++ b/etl/customers/stonewater/Wave 3 Preparation.py	
@@ -109,10 +109,12 @@ def extract_summary_report(pdf_path):
 
         data["Existing Primary Heating System"] = re.search(r"Main Heating Code\s*(.*?)\n", primary_text).group(
             1).strip()
-        data["Existing Primary Heating PCDF Reference"] = re.search(r"PCDF boiler Reference\s*(\d+)",
-                                                                    primary_text).group(1)
-        data["Existing Primary Heating Controls"] = re.search(r"Main Heating Controls\s*(.*?)\n", primary_text).group(
-            1).strip()
+        data["Existing Primary Heating PCDF Reference"] = re.search(
+            r"PCDF boiler Reference\s*(\d+)", primary_text
+        ).group(1)
+        data["Existing Primary Heating Controls"] = re.search(
+            r"Main Heating Controls\s*(.*?)\n", primary_text
+        ).group(1).strip()
         data["Existing Primary Heating % of Heat"] = int(
             re.search(r"Percentage of Heat\s*(\d+)\s*%", primary_text).group(1)
         )
@@ -125,8 +127,10 @@ def extract_summary_report(pdf_path):
             1).strip()
         data["Existing Secondary Heating PCDF Reference"] = re.search(r"PCDF boiler Reference\s*(\d+)",
                                                                       secondary_text).group(1)
-        data["Existing Secondary Heating Controls"] = re.search(r"Main Heating Controls\s*(.*?)\n",
-                                                                secondary_text).group(1).strip()
+        second_heating_controls_match = re.search(r"Main Heating Controls\s*(.*?)\n", secondary_text)
+        data["Existing Secondary Heating Controls"] = (
+            second_heating_controls_match.group(1).strip() if second_heating_controls_match else ""
+        )
         data["Existing Secondary Heating % of Heat"] = int(
             re.search(r"Percentage of Heat\s*(\d+)\s*%", secondary_text).group(1)
         )
@@ -287,7 +291,7 @@ def extract_epr(pdf_path):
             data["Existing Secondary Heating PCDF Reference"] = ""
             data["Existing Secondary Heating Controls"] = ""
             data["Existing Secondary Heating % of Heat"] = 0
-            
+
         else:
             secondary_text = secondary_heating_section.group(1)