We have been quite busy but I have now had a chance to review all the comments and will provide feedback.
First, before we sent any kits out as regular sales we built 3 kits for testers and we got very good reviews, no issues with welds or build quality.
See below:
Review 1
Review 2
Based on this we released the product for purchase. Also the quality of production has not changed at all since then and if anything we have made improvements since.
First Issue: Pipe welds
Because the pipes are put together with multiple pieces, you will get areas of small inconsistencies in weld size. This is mainly due to the variation in the root opening of the weld due to how the pipes come together when they are cut. The other issue is the inside weld penetration, here you again will get different penetration due to variation in weld size above. We have considered adding an additional process in to improve this but it would add approx. $40 to the price of the kit. We do not think these small inconsistencies are enough to increase the price as they do not affect performance. All pipes are also pressure tested for any leaks before release.
Second Issue: Sensor bung
Since we are welding a thick bung to 1/16" aluminum pipe there will be a higher amount of heat used which creates more penetration and a rougher looking weld on the inside. Again another process can be added but it would increase the cost of the kit. Here again we considered the improvement but found the increase in cost would not change the performance and the pipe is again pressure checked for any leaks.
The other issue that has been raised is to use a profile bung as seen below. This again would add $40 to the kit.
In Summary of the above, our kit is currently listed at $239.99 ($195US) but with the unnecessary improvement it would cost $359.99 ($290US). Both are without powder coating.
Now with the new pictures posted of the blue kit, if you zoom in you will see that the same issues do exist. Now there will be some variation from kit to kit but I can assure you that both these kits are built of the same quality and the only difference seen is the zoom on the pictures.
We will continue to improve our quality and decrease gaps for even better looking welds, but in terms of performance we have had no issues.
But in any case, we have and will offer a full refund to any customers that feels the quality does not meet their standards.