Special and Custom Made Options for Solenoid Valves such as
Open or Closed Position Feed back switches for electrical signal for valve position
Silver shading ring to replace copper shading ring for pure water applications
Air operated valves that work via an externally controlled compressed air supply
Manual over ride so valves can be opened manually regardless of electrical input
Manual reset valves typically must be manually opened with electrical power on to stay open, will automatically close when power removed and will stay closed even if electrical power is reapplied. Other option is manually opened and will stay open until electrical power is applied to close.