diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index c8b41ee3..0fac0c6a 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -1244,6 +1244,8 @@ exports.masterConnectedSlaveList = async (req, reply) => {
     // Step 2: Get tank metadata for master
     const tankDetails = await Tank.findOne({ hardwareId: connectedTo }, { tankLocation: 1, typeOfWater: 1 }).lean();
 
+    const masterTypeOfWater = tankDetails?.typeOfWater || null;
+
     // Step 3: Get slave tanks connected to master
     const slaveTanks = await Insensors.find({ connected_to: connectedTo, type: 'slave' }).lean();
     const slaveCount = slaveTanks.length;
@@ -1251,31 +1253,58 @@ exports.masterConnectedSlaveList = async (req, reply) => {
     // Step 4: Get latest IotData for master
     const latestIotData = await IotData.findOne({ hardwareId: connectedTo }).sort({ date: -1 }).lean();
 
-    // Step 5: Prepare master object for response
+    // Step 5: Fetch order to get masterName and location
+    const order = await Order.findOne({ "master_connections.hardwareId": connectedTo }).lean();
+    let masterOrderInfo = {};
+    if (order) {
+      const match = order.master_connections.find(mc => mc.hardwareId === connectedTo);
+      if (match) {
+        masterOrderInfo = {
+          masterName: match.master_name || "",
+          location: match.location || ""
+        };
+      }
+    }
+
+    // Step 6: Prepare master object for response
     const masterResponse = {
       ...master,
       isMaster: true,
       tankLocation: tankDetails?.tankLocation || null,
-      typeOfWater: tankDetails?.typeOfWater || null,
-      tankHeight: null // Master doesn't have individual tankHeight
+      typeOfWater: masterTypeOfWater,
+      tankHeight: null,
+      masterName: masterOrderInfo.masterName,
+      location: masterOrderInfo.location
     };
 
-    // Step 6: Process each slave
+    // Step 7: Process each slave
     const processedSlaves = slaveTanks.map(slave => {
-      const matchingTankData = latestIotData?.tanks?.find(t => t.tankhardwareId === slave.hardwareId);
+      const originalHardwareId = slave.hardwareId;
+      const tankHardwareId = slave.tankhardwareId;
+
+      // Determine final hardwareId: prefer tankhardwareId if exists
+      const finalHardwareId = tankHardwareId || originalHardwareId;
+
+      const matchingTankData = latestIotData?.tanks?.find(t =>
+        t.tankhardwareId === finalHardwareId || t.hardwareId === finalHardwareId
+      );
 
       return {
         ...slave,
         isMaster: false,
-        tankHeight: matchingTankData?.tankHeight ?? null
+        hardwareId: finalHardwareId, // Replace hardwareId with tankhardwareId if present
+        tankHeight: matchingTankData?.tankHeight ?? null,
+        typeOfWater: masterTypeOfWater === 'bore' ? 'bore' : (slave.typeOfWater || null)
       };
     });
 
-    // Step 7: Combine master and slaves into one array
+    // Step 8: Combine master and slaves into one array
     const combinedData = [masterResponse, ...processedSlaves];
 
     return reply.send({
       success: true,
+      tankLocation: tankDetails?.tankLocation || null,
+      typeOfWater: masterTypeOfWater,
       connectedSlaveCount: slaveCount,
       data: combinedData
     });
@@ -1290,6 +1319,8 @@ exports.masterConnectedSlaveList = async (req, reply) => {
 };
 
 
+
+
 // exports.masterConnectedSlaveList = async (req, reply) => {
 //   try {
 //     const { connectedTo } = req.params;