Hydronic Heating – Eltham – Shire of Nillumbik admin2017-12-14T13:16:18+11:00 Baxi Hydronic Heating Boiler - Eltham Here is a Baxi boiler we recently installed in Eltham. This model is the baxi luna 3 Hydronic Heating – Eltham – Shire of Nillumbikadmin2017-12-14T13:16:18+11:00