Hydro-Rain HRB 100 1″ FPT Commercial Valve


HRB Series Commercial Valves from HydroRain are undeniably the one valve you can install and forget. This durable valve will continue to perform year after year, even with pressures up to 200 PSI. Constructed of glass-filled nylon with a fabric reinforced diaphragm giving long term reliable service. A grit screen on the diaphragm reduces chance of damage from sand or debris. The slow closing valve design means less stress on your system by reducing water hammer action. The HRB Series valves are available in a variety of sizes to meet your needs.

18 in stock

SKU HYR-05100 Categories , ,


  • Great for residential or commercial applications – can be used with low flow drip systems or high flow sprinkler applications with up to 1 inch rotors
  • Flow control handle for manual adjustment of the flow to the sprinklers
  • Stainless steel studs are molded into the valve body to prevent damage from over-tightening
  • Manual external bleed for manual flushing at beginning and end of the season
  • Manual internal bleed for shutting on/off at the valve
  • One piece solenoid with captured plunger and spring for easy servicing
  • Reliable solid brass flow control stem and stainless steel diaphragm spring resist corrosion


Flow Range 0.25 – 200 GPM
Inlet/Outlet Connections FPT (female pipe threads)
Max Water Temperature 150° F
Operating Pressure Range 20 – 200 PSI