diff --git a/src/xeto/ph.points/boiler.xeto b/src/xeto/ph.points/boiler.xeto
new file mode 100644
index 0000000..d80da8a
--- /dev/null
+++ b/src/xeto/ph.points/boiler.xeto
@@ -0,0 +1,27 @@
+//
+// Copyright (c) 2026, Project-Haystack
+// Licensed under the Academic Free License version 3.0
+//
+// History:
+//   12 Feb 2026  Adam Garnhart  Creation
+//
+
+// On/off command to run a boiler
+BoilerHeatRunCmd : HeatRunCmd { boiler }
+
+// Sensor for on/off state of a boiler
+BoilerHeatRunSensor : HeatRunSensor { boiler }
+
+// Command to permit/prohibit a boiler to run.
+// Enable is used as an interlock with a run command.
+BoilerEnableCmd : HeatEnableCmd { boiler }
+
+// Command for modulating boiler heating capacity
+// as a percentage from 0% to 100%
+BoilerHeatModulatingCmd : HeatModulatingCmd { boiler }
+
+// Sensor for boiler water level from 0% (empty) to 100% (full)
+BoilerWaterLevelSensor : WaterLevelSensor { boiler }
+
+// Sensor for cumulative runtime duration of a boiler
+BoilerRuntimeSensor : RuntimeSensor { boiler }
diff --git a/src/xeto/ph.points/misc.xeto b/src/xeto/ph.points/misc.xeto
index babb441..9b8ace8 100644
--- a/src/xeto/ph.points/misc.xeto
+++ b/src/xeto/ph.points/misc.xeto
@@ -102,3 +102,21 @@ HeatModulatingSensor : HeatModulatingPoint & SensorPoint
 
 // Command for modulating heating capacity as a percentage from 0% to 100%.
 HeatModulatingCmd : HeatModulatingPoint & CmdPoint
+
+// Sensor for cumulative runtime duration of equipment.
+// Runtime is measured as total operating hours.
+RuntimeSensor : NumberPoint & SensorPoint <abstract> {
+  runtime
+  unit: Unit <quantity:"time"> "hr"
+}
+
+// Sensor for liquid level as a percentage where
+// 0% indicates empty and 100% indicates full
+LevelSensor : NumberPoint & SensorPoint <abstract> {
+  level
+  unit: Unit <fixed> "%"
+}
+
+// Sensor for water level as a percentage where
+// 0% indicates empty and 100% indicates full
+WaterLevelSensor : LevelSensor { water }
diff --git a/src/xeto/ph/entity.xeto b/src/xeto/ph/entity.xeto
index e84490c..a394cc9 100644
--- a/src/xeto/ph/entity.xeto
+++ b/src/xeto/ph/entity.xeto
@@ -1268,6 +1268,11 @@ PhEntity: Entity <abstract> {
   // on in order to run the equipment.
   *run: Marker
 
+  // Cumulative time duration tracking how long an [ph::PhEntity.equip] has
+  // been running.  Paired with [ph::PhEntity.sensor] to report total operating
+  // hours.  See [ph::PhEntity.run] for the on/off state of equipment.
+  *runtime: Marker
+
   // Scalar is an atomic value kind
   *scalar: Obj