Use code GIFT20
Full flow is very important when you are talking about 1/2 or 3/4 fittings. ON 3/4 you lose over 20% of your flow. On 1/2 fittings you lose over 30% of your capacity. Basically a nine starter which I cannot believe passes inspection/BOCA codes.
Another point is these fittings are not installed on a table!!! They are installed between joists and in tight places. So you have room issues with some tools and difficulty using hand powered tools. I reviewed most of these systems and chose the upinor system for cost and the power tools ability to fit into tight places and speed/ease of use with one part not two to connect to the pipe
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