blondejay;107366 wroteDon't know. Never asked. As I bought b20 units ;p
They are sub 300 if memory recalls correctly.
Your ones weren't in Castlemaines stock. The b20 one are made by them for George alphabet, they literally rang him up and bought them from him and supplied you. So no, they won't have the ohc ones in stock.
Hurricane make b230 ones don't they?