Suttner ST261 unloader valve with optional pressure switch.
3625 Maximum Rated Pressure
- 8gpm rated flow
- 3/8" Female Inlet / Outlet
- 1/4" Female Bypass
- 176°F max temperature
Models Available (without switch)
- 8.712-681.0 - ST-261 (no injector)
- 8.712-683.0 - ST-261 - 3.35gpm Injector
- 8.712-684.0 - ST261 - 5.5gpm Injector
Models Available (with pressure switch - normally closed)
- 8.712-685.0 - ST-261 + Switch (no injector)
- 8.712-686.0 - ST-261 + Switch - 2.25gpm Injector
- 8.904-576.0 - ST-261 + Switch - 3.5gpm Injector
- 8.904-577.0 - ST-261 + Switch - 5.5gpm Injector
Unloader valves are one of the most important safety devices on a pressure washer system. Failure to install and set the unloader properly could result in a very dangerous situation causing severe damage to the pump and possibly the operator.
Professional installation is required.