diff --git a/backend/documents_parser/tests/test_end_to_end.py b/backend/documents_parser/tests/test_end_to_end.py
index 428d2cad..03c487fc 100644
--- a/backend/documents_parser/tests/test_end_to_end.py
+++ b/backend/documents_parser/tests/test_end_to_end.py
@@ -273,3 +273,22 @@ class TestPdfToEpcPropertyDataFixture2:
 
     def test_secondary_heating_type(self, result: EpcPropertyData) -> None:
         assert result.sap_heating.secondary_heating_type == "Open fire in grate"
+
+
+PDF_PATH_3 = os.path.join(
+    os.path.dirname(__file__), "fixtures", "ExampleSiteNotes_3.pdf"
+)
+
+
+class TestPdfToEpcPropertyDataFixture3:
+    @pytest.fixture
+    def result(self) -> EpcPropertyData:
+        with open(PDF_PATH_3, "rb") as f:
+            pdf_bytes = f.read()
+        site_notes = PasHubRdSapSiteNotesExtractor(
+            pdf_to_text_list(pdf_bytes)
+        ).extract()
+        return EpcPropertyDataMapper.from_site_notes(site_notes)
+
+    def test_immersion_heating_type(self, result: EpcPropertyData) -> None:
+        assert result.sap_heating.immersion_heating_type == "Dual"