Powers has released a new 64-page Product Specification catalog detailing its line of HydroGuard e420 and e430 series water-tempering supply fixtures. Supply fixtures are highly configurable systems that can be specified hundreds of ways with combinations of available options, like stainless steel or painted steel security cabinets; bronze or chrome finishes; numerous inlet/outlet piping options; cold water bypass, vacuum breakers, temperature/pressure gauges, or any combination of these. Each specification sheet contains information critical to the specification of a tempering valve system, all in a concise, easy-to-read format. Powers Process Controls. Circle 4.