Withstand surge events up to 25kV with the GBS25 Solenoid - Pre-installed PRS-DIAL regulates and maintains constant outlet pressure between 15 and 100 psi (1.04 to 6.90 bar) within ±3 psi (±0.21 bar) - Consistent sprinkler performance for block applications - Ergonomic design with ...Withstand surge events up to 25kV with the GBS25 Solenoid - Pre-installed PRS-DIAL regulates and maintains constant outlet pressure between 15 and 100 psi (1.04 to 6.90 bar) within ±3 psi (±0.21 bar) - Consistent sprinkler performance for block applications - Ergonomic design with snap-tight cover on dial cartridge prevents vandalism - Chlorine-resistant diaphragm delivers increased protection against harsh chemicals - Optional purple flow control handle and cover allow for easy indication of non-potable water use - Scrubber mechanism (plastic models only) encapsulates stainless steel screen to dislodge grit and plant material - External bleed protects solenoid ports from debris when system is flushed