diff --git a/src/controllers/installationController.js b/src/controllers/installationController.js
index 9947bdf7..61c4609e 100644
--- a/src/controllers/installationController.js
+++ b/src/controllers/installationController.js
@@ -1862,7 +1862,14 @@ exports.getMasterSlaveSummary = async (req, reply) => {
             }
           }
         }
+        const matchedTankDetails = await Tank.findOne({
+          customerId,
+          tankhardwareId: slave.tankhardwareId,
+        }).lean();
       
+        if (matchedTankDetails?.typeOfWater) {
+          typeOfWater = matchedTankDetails.typeOfWater;
+        }
         // Update DB with new status and timestamps
         await Insensors.updateOne(
           { hardwareId: slave.hardwareId },
@@ -1888,6 +1895,7 @@ exports.getMasterSlaveSummary = async (req, reply) => {
           lora_last_check_time: loraLastCheckTime,
           lora_last_disconnect_time: loraLastDisconnect,
           type: slave.type || "slave",
+          typeOfWater,
           connected_to: slave.connected_to || null,
         });
       }