diff --git a/src/devices/boiler.cpp b/src/devices/boiler.cpp
index a0ec1bd2d..9fb3e51a8 100644
--- a/src/devices/boiler.cpp
+++ b/src/devices/boiler.cpp
@@ -230,6 +230,10 @@ Boiler::Boiler(uint8_t device_type, int8_t device_id, uint8_t product_id, const
             DeviceValueTAG::TAG_DEVICE_DATA, &boilHystOn_, DeviceValueType::INT, FL_(boilHystOn), DeviceValueUOM::DEGREES_R, MAKE_CF_CB(set_hyst_on), -20, 0);
         register_device_value(
             DeviceValueTAG::TAG_DEVICE_DATA, &boilHystOff_, DeviceValueType::INT, FL_(boilHystOff), DeviceValueUOM::DEGREES_R, MAKE_CF_CB(set_hyst_off), 0, 20);
+        register_device_value(
+            DeviceValueTAG::TAG_DEVICE_DATA, &boil2HystOn_, DeviceValueType::INT, FL_(boil2HystOn), DeviceValueUOM::DEGREES_R, MAKE_CF_CB(set_hyst2_on), -20, 0);
+        register_device_value(
+            DeviceValueTAG::TAG_DEVICE_DATA, &boil2HystOff_, DeviceValueType::INT, FL_(boil2HystOff), DeviceValueUOM::DEGREES_R, MAKE_CF_CB(set_hyst2_off), 0, 20);
     }
     register_device_value(DeviceValueTAG::TAG_DEVICE_DATA,
                           &heatingActivated_,