Can you use Flowpex pipe for the last connection in a gas installation?
Not at this stage. In AS 5601-2004 Gas Installations on page 33 Table 3.1 states that composite pipe is not permitted for use in a final connection to an appliance. Typically you would run Flowpex to a gas cock, for a cooker or heater and make your final connection using an approved connector. When connecting instantaneous hot water heaters, Flowpex can be installed to the gas cock then a union to the heater-the union is the final connection in this case.
