Zero : Out the box failure on gas geyser. Poor product and poor service

I bought a zero gas geyser from builders for installation at a remote holiday location. The item was so poorly manufactured that after the installation. (and trust me, it is not a 5 min job for an installer) the geyser did not ignite. The would require the removal and reversal of the new back to the old unit. Eventually phone an electrician to have a look why it did not ignite. Found that The one connection wasn't properly crimped in the manufacturing process. Plse take note I reported this to their email 3 time and the failed to once answer me. Poor product, poor service. You will be left with the installation cost much higher than the upgrade price to a better unit. You make the call if it is worth it.