diff --git a/RhSolutions.Api.Tests/RautitanFittingsTests.cs b/RhSolutions.Api.Tests/RautitanFittingsTests.cs
index f077d20..0d1dbed 100644
--- a/RhSolutions.Api.Tests/RautitanFittingsTests.cs
+++ b/RhSolutions.Api.Tests/RautitanFittingsTests.cs
@@ -132,4 +132,9 @@ public class RautitanFittingsTests : ProductQueryModifierTests
 	[TestCase("Ниппель", "К-т двух резьбозажим. нипелей с нар.резьбой 1/2х3/4")]
 	public void NippelTest(string query, string modified)
 		=> Invoke(productType: "Ниппель", query, modified);
+		
+	[TestCase("Распределительный коллектор G1 2 отвода G 3/4", "Распределительный коллектор G1 2")]
+	[TestCase("Коллектор Квартирный с отсекающими кранами, латунь ДУ20, НР-ВР 3/4\", 3 контура НР 1/2", "Распределительный коллектор G1 3")]
+	public void ManifoldG1Test(string query, string modified)
+		=> Invoke(productType: "Коллектор G1", query, modified);
 }
diff --git a/RhSolutions.MLModifiers/DrinkingWaterHeatingFittings/ManifoldG1.cs b/RhSolutions.MLModifiers/DrinkingWaterHeatingFittings/ManifoldG1.cs
new file mode 100644
index 0000000..55781f9
--- /dev/null
+++ b/RhSolutions.MLModifiers/DrinkingWaterHeatingFittings/ManifoldG1.cs
@@ -0,0 +1,27 @@
+using System.Text.RegularExpressions;
+
+namespace RhSolutions.MLModifiers.DrinkingWaterHeatingFittings;
+
+[MLModifierKey("Коллектор G1")]
+public class ManifoldG1 : DrinkingWaterHeatingFitting
+{
+	private static readonly Regex _portsCount =
+		new(@"([\b\D]|^)?(?<Ports>2|3|4)([\b\D]|$)");
+
+	protected override string _title => "Распределительный коллектор G1";
+
+	public override bool TryQueryModify(string input, out string output)
+	{
+		var match = _portsCount.Match(input);
+		if (match.Success)
+		{
+			output = $"{_title} {match.Groups["Ports"]}";
+			return true;
+		}
+		else
+		{
+			output = string.Empty;
+			return false;
+		}
+	}
+}
\ No newline at end of file