Spa tech in industry 24 yrs got into this completely by accident.. many of my customers buy their tubs used . because like other big ticket items let someone else take the loses. Like anything else if yous buy the items with crazy complicated one off parts , theyre will be issues .. Most my Customers are sports injured types they lookin for water therapy. Hi GPM flo rates are required for this. 2-2.5 in mains plumbing Min 1 in lines to jets no less these requirements right here above eliminate most of the junk that's out there .. in the plumbing dept . This stuffs for commercial equip. the controls you use can make or break your experience I personally am a Balboa M7 guy put it in set up and leave it alone 7 plus years keep water correct and prolly no heater in that 7 yrs to.. leaks are generally two categories' freeze breaks and joints failing many due to drastic plumbing size changes say going from 2 in to a 1.5 in manifold with .750 nipples that 3 hp pump moving 200 gpm through that bottleneck is awaiting a fault(leak) like other big ticket items theyre made for in home service which is at a much greater cost than carry in. Doh So as a shopper its prudent to eliminate as much of the hidden issues as possible .. If yous want Led colors and flat screens fast n furious flash just be prepped to replace the cheapo junk as required you do get what you paid for
