diff --git a/releasenotes/notes/bug-1776721-2e0abe371abee71c.yaml b/releasenotes/notes/bug-1776721-2e0abe371abee71c.yaml
new file mode 100644
index 000000000..b534f3444
--- /dev/null
+++ b/releasenotes/notes/bug-1776721-2e0abe371abee71c.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Adds an undercloud heat-manage purge_deleted cron job validation.
diff --git a/validations/undercloud-heat-purge-deleted.yaml b/validations/undercloud-heat-purge-deleted.yaml
new file mode 100644
index 000000000..693e91b94
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+++ b/validations/undercloud-heat-purge-deleted.yaml
@@ -0,0 +1,22 @@
+---
+- hosts: undercloud
+  vars:
+    metadata:
+      name: Verify heat-manage purge_deleted is enabled in crontab
+      description: >
+        Without a purge_deleted crontab enabled, the
+        heat database can grow very large.  This validation checks that
+        the purge_deleted crontab has been set up.
+      groups:
+      - pre-upgrade
+      - pre-deployment
+    cron_check: "heat-manage purge_deleted"
+  tasks:
+  - name: Get heat crontab
+    become: true
+    shell: 'crontab -l -u heat | grep -v "^#"'
+    register: cron_result
+    changed_when: False
+  - name: Check heat crontab
+    fail: msg="heat-manage purge_deleted does not appear to be enabled via cron.  You should add '<desired interval > {{ cron_check }}' to the heat users crontab."
+    failed_when: "cron_check not in cron_result.stdout"