diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e78a000/i2c-bus@100/max31785@52_air.conf b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e78a000/i2c-bus@100/max31785@52_air.conf
index 0417ea8..0aafc9b 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e78a000/i2c-bus@100/max31785@52_air.conf
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e78a000/i2c-bus@100/max31785@52_air.conf
@@ -1,9 +1,33 @@
 LABEL_fan1 = "fan0_0"
+CRITLO_fan1 = "2974"
+CRITHI_fan1 = "12076"
+
 LABEL_fan2 = "fan1_0"
+CRITLO_fan2 = "2974"
+CRITHI_fan2 = "12076"
+
 LABEL_fan3 = "fan2_0"
+CRITLO_fan3 = "2974"
+CRITHI_fan3 = "12076"
+
 LABEL_fan4 = "fan3_0"
+CRITLO_fan4 = "2974"
+CRITHI_fan4 = "12076"
+
 LABEL_fan5 = "fan0_1"
+CRITLO_fan5 = "2974"
+CRITHI_fan5 = "12076"
+
 LABEL_fan6 = "fan1_1"
+CRITLO_fan6 = "2974"
+CRITHI_fan6 = "12076"
+
 LABEL_fan7 = "fan2_1"
+CRITLO_fan7 = "2974"
+CRITHI_fan7 = "12076"
+
 LABEL_fan8 = "fan3_1"
+CRITLO_fan8 = "2974"
+CRITHI_fan8 = "12076"
+
 TARGET_MODE = "RPM"
diff --git a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e78a000/i2c-bus@100/max31785@52_water.conf b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e78a000/i2c-bus@100/max31785@52_water.conf
index 271e6be..5c0efe4 100644
--- a/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e78a000/i2c-bus@100/max31785@52_water.conf
+++ b/meta-openbmc-machines/meta-openpower/meta-ibm/meta-witherspoon/recipes-phosphor/sensors/phosphor-hwmon%/obmc/hwmon/ahb/apb/i2c@1e78a000/i2c-bus@100/max31785@52_water.conf
@@ -1,7 +1,25 @@
 LABEL_fan1 = "fan0_0"
+CRITLO_fan1 = "2549"
+CRITHI_fan1 = "12076"
+
 LABEL_fan3 = "fan2_0"
+CRITLO_fan3 = "2549"
+CRITHI_fan3 = "12076"
+
 LABEL_fan4 = "fan3_0"
+CRITLO_fan4 = "2549"
+CRITHI_fan4 = "12076"
+
 LABEL_fan5 = "fan0_1"
+CRITLO_fan5 = "2549"
+CRITHI_fan5 = "12076"
+
 LABEL_fan7 = "fan2_1"
+CRITLO_fan7 = "2549"
+CRITHI_fan7 = "12076"
+
 LABEL_fan8 = "fan3_1"
+CRITLO_fan8 = "2549"
+CRITHI_fan8 = "12076"
+
 TARGET_MODE = "RPM"