diff --git a/fboss/platform/configs/meru800bfa/sensor_service.json b/fboss/platform/configs/meru800bfa/sensor_service.json
index 7117f80eae5db..2f8451f15203a 100644
--- a/fboss/platform/configs/meru800bfa/sensor_service.json
+++ b/fboss/platform/configs/meru800bfa/sensor_service.json
@@ -99,8 +99,8 @@
           "sysfsPath": "/run/devmap/sensors/CPU_MPS_PMBUS/in1_input",
           "type": 1,
           "thresholds": {
-            "upperCriticalVal": 3.96,
-            "lowerCriticalVal": 2.64
+            "upperCriticalVal": 14.4,
+            "lowerCriticalVal": 10.5
           },
           "compute": "@/32000.0"
         },
@@ -119,166 +119,6 @@
           "sysfsPath": "/run/devmap/sensors/CPU_MPS_PMBUS/curr1_input",
           "type": 2,
           "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_VIN",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/in1_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 14.4,
-            "lowerCriticalVal": 9.6
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_VOUT_VCCIN",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/in3_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 2.16,
-            "lowerCriticalVal": 1.44
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_VOUT_1V8_CPU",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/in4_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 2.16,
-            "lowerCriticalVal": 1.44
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_TEMP1",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/temp1_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_TEMP2",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/temp2_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_VIN",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/in1_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 14.4,
-            "lowerCriticalVal": 9.6
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_VOUT_1V2_VDDQ",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/in4_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.44,
-            "lowerCriticalVal": 0.96
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_VOUT_VNN_NAC",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/in5_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.44,
-            "lowerCriticalVal": 0.48
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_VOUT_1V0_CPU",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/in6_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.2,
-            "lowerCriticalVal": 0.8
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_TEMP1",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/temp1_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_TEMP2",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/temp2_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_VIN",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/in1_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 14.4,
-            "lowerCriticalVal": 9.6
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_VOUT_1V05_CPU",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/in3_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.272,
-            "lowerCriticalVal": 0.848
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_VOUT_VNN_PCH",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/in4_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.44,
-            "lowerCriticalVal": 0.48
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_TEMP1",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/temp1_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_TEMP2",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/temp2_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
         }
       ]
     },
diff --git a/fboss/platform/configs/meru800bia/sensor_service.json b/fboss/platform/configs/meru800bia/sensor_service.json
index 1d243224c56c1..f67c7708b99da 100644
--- a/fboss/platform/configs/meru800bia/sensor_service.json
+++ b/fboss/platform/configs/meru800bia/sensor_service.json
@@ -99,8 +99,8 @@
           "sysfsPath": "/run/devmap/sensors/CPU_MPS_PMBUS/in1_input",
           "type": 1,
           "thresholds": {
-            "upperCriticalVal": 3.96,
-            "lowerCriticalVal": 2.64
+            "upperCriticalVal": 14.4,
+            "lowerCriticalVal": 10.5
           },
           "compute": "@/32000.0"
         },
@@ -119,166 +119,6 @@
           "sysfsPath": "/run/devmap/sensors/CPU_MPS_PMBUS/curr1_input",
           "type": 2,
           "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_VIN",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/in1_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 14.4,
-            "lowerCriticalVal": 9.6
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_VOUT_VCCIN",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/in3_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 2.16,
-            "lowerCriticalVal": 1.44
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_VOUT_1V8_CPU",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/in4_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 2.16,
-            "lowerCriticalVal": 1.44
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_TEMP1",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/temp1_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM1_TEMP2",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_1/temp2_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_VIN",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/in1_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 14.4,
-            "lowerCriticalVal": 9.6
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_VOUT_1V2_VDDQ",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/in4_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.44,
-            "lowerCriticalVal": 0.96
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_VOUT_VNN_NAC",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/in5_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.44,
-            "lowerCriticalVal": 0.48
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_VOUT_1V0_CPU",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/in6_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.2,
-            "lowerCriticalVal": 0.8
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_TEMP1",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/temp1_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM2_TEMP2",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXE1211/temp2_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_VIN",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/in1_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 14.4,
-            "lowerCriticalVal": 9.6
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_VOUT_1V05_CPU",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/in3_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.272,
-            "lowerCriticalVal": 0.848
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_VOUT_VNN_PCH",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/in4_input",
-          "type": 1,
-          "thresholds": {
-            "upperCriticalVal": 1.44,
-            "lowerCriticalVal": 0.48
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_TEMP1",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/temp1_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
-        },
-        {
-          "name": "SCM_VRM3_TEMP2",
-          "sysfsPath": "/run/devmap/sensors/CPU_PXM1310_2/temp2_input",
-          "type": 3,
-          "thresholds": {
-            "upperCriticalVal": 110.0,
-            "maxAlarmVal": 105.0
-          },
-          "compute": "@/1000.0"
         }
       ]
     },
diff --git a/fboss/platform/configs/meru800biab/sensor_service.json b/fboss/platform/configs/meru800biab/sensor_service.json
index 650fd657af768..9a14cbfe9a21e 100644
--- a/fboss/platform/configs/meru800biab/sensor_service.json
+++ b/fboss/platform/configs/meru800biab/sensor_service.json
@@ -108,8 +108,8 @@
           "sysfsPath": "/run/devmap/sensors/CPU_MPS_PMBUS/in1_input",
           "type": 1,
           "thresholds": {
-            "upperCriticalVal": 3.96,
-            "lowerCriticalVal": 2.64
+            "upperCriticalVal": 14.4,
+            "lowerCriticalVal": 10.5
           },
           "compute": "@/32000.0"
         },
@@ -425,7 +425,7 @@
     },
     {
       "slotPath": "/SMB_SLOT@0/PSU_SLOT@0",
-      "pmUnitName": "PSU1",
+      "pmUnitName": "PSU",
       "sensors": [
         {
           "name": "PSU1_VIN",
@@ -519,7 +519,7 @@
     },
     {
       "slotPath": "/SMB_SLOT@0/PSU_SLOT@1",
-      "pmUnitName": "PSU2",
+      "pmUnitName": "PSU",
       "sensors": [
         {
           "name": "PSU2_VIN",