Interpump SR / (ZKSR GP) safety relief valve.
3000psi Maximum Rated Pressure
- 1.3 up to 10.8gpm Flow
- 3/8" Inlet
- 1/4" Bypass (outlet)
- 165°F Max Temperature
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.