Which brand of shower valve is considered the best?

Which brand of shower valve is considered best depends on whether you value residential reliability or commercial durability, but consensus among plumbers, consumer reports, and designers is that Moen and Symmons are top for reliability, Delta for overall value and innovation, and Hansgrohe and Grohe for luxury. For most homeowners, Moen Posi-Temp is considered best for long-term reliability, with its 1222 cartridge tested to hundreds of thousands of cycles, excellent customer service with free parts, limited lifetime warranty, and plumber surveys ranking it fewest callbacks with 15 to 25 year life, costing $60 to $160 for valve. For commercial and extreme durability, Symmons Temptrol is considered best, invented in 1960s, lasting 30 to 50 years in hotels and hospitals, rebuildable, made in USA, costing $100 to $250. For best overall value and features, Delta MultiChoice Universal is considered best, offering Diamond Seal, Monitor pressure-balancing, TempAssure thermostatic, and fits multiple trims, costing $50 to $150, with 4.6 stars and wide availability. For luxury spa, Hansgrohe iBox and Grohe GrohSafe are considered best, costing $200 to $400, with thermostatic precision and German engineering. So best overall for homeowners is Moen Posi-Temp for reliability, Delta MultiChoice for value and innovation, and Symmons Temptrol for commercial durability that lasts decades.