diff --git a/playbooks/device_types_pi4b.yml b/playbooks/device_types_pi4b.yml
new file mode 100755
index 0000000..7d8b331
--- /dev/null
+++ b/playbooks/device_types_pi4b.yml
@@ -0,0 +1,9 @@
+#!/usr/bin/env ansible-playbook
+# vim:ft=ansible:
+---
+- hosts: device_types_pi4b-2g,device-type-pi4b-4g,device-type-pi4b-4g-storage
+  roles:
+    - role: ansible-role-lm-sensors
+      vars:
+        lm_sensors_force_detection: yes
+      tags: [ lm-sensors ]
diff --git a/playbooks/prod_web.yml b/playbooks/prod_web.yml
index 72af475..31825de 100755
--- a/playbooks/prod_web.yml
+++ b/playbooks/prod_web.yml
@@ -231,6 +231,10 @@
           - name: CPU1 Temperature
             command: check_by_ssh!/usr/bin/sudo /usr/local/bin/monitoring-scripts/check_temp -n -w 65 -c 75 --sensor coretemp-isa-0001
             hostgroup: device-type-r720
+          # Pi 4 4G
+          - name: CPU Temperature
+            command: check_by_ssh!/usr/bin/sudo /usr/local/bin/monitoring-scripts/check_temp -n -w 65 -c 75 --sensor cpu_thermal-virtual-0
+            hostgroup: device-type-pi4b-2g,device-type-pi4b-4g,device-type-pi4b-4g-storage
           # Device role checks
           # hypervisor (which is assumed to be Proxmox)
           - name: PVE Unit pve-firewall.service