diff --git a/etl/epc_clean/epc_attributes/HotWaterAttributes.py b/etl/epc_clean/epc_attributes/HotWaterAttributes.py
index 5603e7d5..b94ab092 100644
--- a/etl/epc_clean/epc_attributes/HotWaterAttributes.py
+++ b/etl/epc_clean/epc_attributes/HotWaterAttributes.py
@@ -118,6 +118,8 @@ class HotWaterAttributes(Definitions):
                                                                                                  "waste water heat "
                                                                                                  "recovery",
         "ogçör brif system, adfer gwres d+¦r gwastraff": "from main system, waste water heat recovery",
+        "twymwr tanddwr, tarriff safonol, adfer gwres d+¦r gwastraff": "electric immersion, standard tariff, waste "
+                                                                       "water heat recovery",
     }
 
     def __init__(self, description: str):
diff --git a/etl/epc_clean/epc_attributes/MainheatControlAttributes.py b/etl/epc_clean/epc_attributes/MainheatControlAttributes.py
index 23f39d08..887bdda7 100644
--- a/etl/epc_clean/epc_attributes/MainheatControlAttributes.py
+++ b/etl/epc_clean/epc_attributes/MainheatControlAttributes.py
@@ -111,7 +111,8 @@ class MainheatControlAttributes(Definitions):
         't+-ól un gyfradd, trvs': 'single rate heating, trvs',
         't+ól un gyfradd, rhaglennydd a trvs': 'single rate heating, programmer, trvs',
         't+ól un gyfradd, trvs': 'single rate heating, trvs',
-        'trvs a falf osgoi': 'trvs and bypass'
+        'trvs a falf osgoi': 'trvs and bypass',
+        'rheolaeth celect': 'celect-type control',
     }
 
     def __init__(self, description: str):