diff --git a/src/property.h b/src/property.h
index 6e3f13a..e51d25b 100644
--- a/src/property.h
+++ b/src/property.h
@@ -140,7 +140,7 @@ struct Property : public detail::Property {
     PROPERTY(KUEHLSYSTEM, 0x0613);
     PROPERTY(DRUCK_HEIZKREIS, 0x064a, Type::et_dec_val);
     PROPERTY(LEISTUNG_AUSLEGUNG_KUEHLEN, 0x0692);
-    PROPERTY(HEIZLEISTUNG, 0x069a);
+    PROPERTY(HEIZLEISTUNG_RELATIV, 0x069a, Type::et_double_val);
     PROPERTY(VERDICHTERDREHZAHL, 0x069e);
     PROPERTY(MOTORSTROM, 0x069f);
     PROPERTY(MOTORLEISTUNG, 0x06a0, Type::et_cent_val);
diff --git a/yaml/wp_base.yaml b/yaml/wp_base.yaml
index e2d517c..3514cbe 100644
--- a/yaml/wp_base.yaml
+++ b/yaml/wp_base.yaml
@@ -268,7 +268,7 @@ packages:
   MOTORSPANNUNG:                  !include { file: wp_generic.yaml, vars: { property: "MOTORSPANNUNG"            , interval: $interval_medium, unit: "V" }}
   MOTORLEISTUNG:                  !include { file: wp_generic.yaml, vars: { property: "MOTORLEISTUNG"            , interval: $interval_medium, unit: "kW", accuracy_decimals: "2" }}
   VERDICHTERDREHZAHL:             !include { file: wp_generic.yaml, vars: { property: "VERDICHTERDREHZAHL"       , interval: $interval_medium, unit: "Hz"   , icon: "mdi:gauge" }}
-  HEIZLEISTUNG:                   !include { file: wp_generic.yaml, vars: { property: "HEIZLEISTUNG"             , interval: $interval_medium, unit: "%"    , icon: "mdi:gauge" }}
+  HEIZLEISTUNG_RELATIV:           !include { file: wp_generic.yaml, vars: { property: "HEIZLEISTUNG_RELATIV"     , interval: $interval_medium, unit: "%"    , icon: "mdi:gauge" }}
   HEIZ_KUEHL_LEISTUNG:            !include { file: wp_generic.yaml, vars: { property: "HEIZ_KUEHL_LEISTUNG"      , interval: $interval_medium, unit: "kW", accuracy_decimals: "2" }}
   ABLUFT_IST:                     !include { file: wp_generic.yaml, vars: { property: "ABLUFT_IST"               , interval: $interval_slow  , unit: "Hz"   , icon: "mdi:fan"   }}
   FORTLUFT_IST:                   !include { file: wp_generic.yaml, vars: { property: "FORTLUFT_IST"             , interval: $interval_slow  , unit: "Hz"   , icon: "mdi:fan"   }}