diff --git a/Hcs.Client/Client/Api/Registry/Registry51.cs b/Hcs.Client/Client/Api/Registry/Registry51.cs
new file mode 100644
index 0000000..29d6ca1
--- /dev/null
+++ b/Hcs.Client/Client/Api/Registry/Registry51.cs
@@ -0,0 +1,15 @@
+namespace Hcs.Client.Api.Registry
+{
+    /// <summary>
+    /// НСИ "Вид коммунальной услуги" (реестровый номер 51)
+    /// </summary>
+    public static class Registry51
+    {
+        /// <summary>
+        /// Отопление
+        /// </summary>
+        public static RegistryElement Element6 => new(
+            "6",
+            "74925764-ddf3-4b4b-b18d-85994187c13a");
+    }
+}
diff --git a/Hcs.Client/Hcs.Client.csproj b/Hcs.Client/Hcs.Client.csproj
index a55cb9f..bb6e3e5 100644
--- a/Hcs.Client/Hcs.Client.csproj
+++ b/Hcs.Client/Hcs.Client.csproj
@@ -87,6 +87,7 @@
     <Compile Include="Client\Api\Registry\Registry3.cs" />
     <Compile Include="Client\Api\Registry\Registry32.cs" />
     <Compile Include="Client\Api\Registry\Registry338.cs" />
+    <Compile Include="Client\Api\Registry\Registry51.cs" />
     <Compile Include="Client\Api\Registry\Registry58.cs" />
     <Compile Include="Client\Api\Registry\RegistryElement.cs" />
     <Compile Include="Client\Api\Request\Adapter\IGetStateResult.cs" />
diff --git a/Hcs.TestApp/TestApp/Scenario/BillsScenario.cs b/Hcs.TestApp/TestApp/Scenario/BillsScenario.cs
index 52dea33..3827483 100644
--- a/Hcs.TestApp/TestApp/Scenario/BillsScenario.cs
+++ b/Hcs.TestApp/TestApp/Scenario/BillsScenario.cs
@@ -45,7 +45,7 @@ namespace Hcs.TestApp.Scenario
                             municipalServiceCommunalConsumptionPayable = 0M,
                             amountOfPaymentMunicipalServiceIndividualConsumption = 1862.93M,
                             amountOfPaymentMunicipalServiceCommunalConsumption = 0M,
-                            serviceType = Registry3.Element6,
+                            serviceType = Registry51.Element6,
                             rate = 1851.82M,
                             totalPayable = 1862.93M,
                             accountingPeriodTotal = 1862.93M