... 2011/04/20 --- 2016/04/20 CE Certificate PTS PTS1202030040S Air-source heat pump water heater, DBT-R ... 2012/04/11 --- 2049/12/31 CE Certificate PTS PTS1202028040S Air-source heat pump water heater, DBT-R ... 2012/04/11 --- 2049/12/31 CE Certificate PTS PTS1202029040S Air-source heat pump water heater, DBT- ... 2012/04/11 --- 2049/12/31 CE Certificate PTS PTS1202035040S Air-source heat pump water heater, DBT-R ...