diff --git a/src/main.tsp b/src/main.tsp
index 3e13563b..153e4469 100644
--- a/src/main.tsp
+++ b/src/main.tsp
@@ -64,5 +64,6 @@ import "./vaillant/ec.solsy.sc.tsp";
 import "./vaillant/ec.zeo.sc.tsp";
 import "./vaillant/general.tsp";
 import "./vaillant/scan.tsp";
+import "./weishaupt/f1..hc.tsp";
 import "./wolf/08..hc.tsp";
 import "./wolf/50..mc.tsp";
diff --git a/src/weishaupt/f1..hc.tsp b/src/weishaupt/f1..hc.tsp
new file mode 100644
index 00000000..38e59d86
--- /dev/null
+++ b/src/weishaupt/f1..hc.tsp
@@ -0,0 +1,108 @@
+import "@ebusd/ebus-typespec";
+import "../_templates.tsp";
+using Ebus;
+
+enum OperatingPhase {
+  BurnerOff: 0x00,
+  StandbyFanCheck: 0x01,
+  PreIgnitionSpeedReached: 0x02,
+  PreIgnitionCountdown: 0x03,
+  IgnitionSpeedReached: 0x04,
+  FlameFormationTime: 0x05,
+  BurnerInOperation: 0x06,
+  GasValveCheckV1: 0x07,
+  GasValveCheckV2: 0x08,
+  PostIgnitionPurge: 0x09,
+}
+
+enum OperationMode {
+  BurnerOff: 0x00,
+  NoAction: 0x01,
+  DomesticHotWater: 0x55,
+  HeatingMode: 0xAA,
+  EmissionControl: 0xCC,
+  InspectionFunction: 0xDD,
+  ControllerStop: 0xEE,
+  DHWWithHeating: 0xBB,
+  ControllerStopStepMode: 0x44,
+}
+
+enum Action {
+  NoAction: 0x00,
+  SwitchOffBoilerPump: 0x01,
+  SwitchOnBoilerPump: 0x02,
+  SwitchOffVariableConsumer: 0x03,
+  SwitchOnVariableConsumer: 0x04,
+}
+
+/** Process values of the heating controller unit. */
+namespace weishaupt {
+  /** Data from the heater. */
+  @qq(0xf1)
+  @id(0x50, 0x0A)
+  model heater_data {
+    /** Status1 byte (bitfield) */
+    status1: Num.UCH; // M6
+
+    /** Operating phase */
+    @values(OperatingPhase)
+    operating_phase: Num.UCH; // M7
+
+    /** Status2 byte (bitfield) */
+    status2: Num.UCH; // M8
+
+    /** Status3 byte (bitfield) */
+    status3: Num.UCH; // M9
+
+    /** Load position */
+    load_position: Num.UCH; // M10
+
+    /** Flow temperature (°C, 0.5 steps) */
+    flow_temp: temp1; // D1C, M11
+
+    /** Exhaust temperature (°C, 0.5 steps) */
+    exhaust_temp: temp1; // D1C, M12
+
+    /** Hot water temperature (°C, 0.5 steps) */
+    hotwater_temp: temp1; // D1C, M13
+
+    /** Outside temperature (°C, signed, 1 step) */
+    outside_temp: temp2; // D1B, M15
+
+    /** Temperature trend (2 bytes, signed) */
+    temp_trend: temp2; // D2B, M16+M17
+
+    /** Flow setpoint temperature (°C) */
+    flow_setpoint: Num.UCH; // M18
+  }
+
+  /** Command to the heater. */
+  @zz(0xf1)
+  @qq(0x30)
+  @write(true)
+  @id(0x05, 0x07)
+  model heater_control {
+    @values(OperationMode)
+    operation_mode: Num.UCH; // M6
+
+    @values(Action)
+    action: Num.UCH; // M7
+
+    /** Boiler setpoint temperature (°C, 1/16 °C per step) */
+    boiler_setpoint_temp: temp; // M8+M9, DATA2c, 0-2000 / 1/16
+
+    /** Boiler setpoint pressure (0–100, 1/256 per step) */
+    @unit("bar")
+    @divisor(256)
+    boiler_setpoint_pressure: Num.UIR; // M10+M11, DATA2b
+
+    /** Control degree / load (%) */
+    control_degree: percent0; // M12, 0–100
+
+    /** Domestic hot water setpoint (%) */
+    dhw_setpoint: percent1; // M13, DATA1c
+
+    /** Fuel selection */
+    fuel_selection: fueltype; // M14
+  }
+}