Converting a Viron 250, Viron 350, Viron 450 gas pool heater to LPG or Natural gas is not a straightforward process and is not recommended.
Firstly, the gas valve will need to replaced on the Viron 350 & Viron 450, whereas the Viron 250 needs a major gas valve adjustment. The information on setting the offsets and adjusting the gas valves from/to LPG/NG is not published and can only be performed by Fluidra gas technicians.
Secondly, the conversion will need to be 'signed off' by a licensed person.
