PS856P Watts Fluidair Lockout Valve

PS856P Watts Fluidair Lockout Valve

MROStop is an authorized Parker distributor
MROStop has been an official distributor of Parker hose and fittings online since 2012. Parker remains one of our strongest supplier relationships to this day. MROStop carries over 40,000 items across Parker's fittings, hose, hydraulic valve, filtration, and pneumatic product lines. This allows us to get customers to best possible pricing and factory lead times available. We not only sell these items but we also have deeply knowledgeable product staff backed up by 76 years of hands on Parker product experience. We are a full service Parker supplier and can provide detailed product support for our customers.


Parker provides a range of high-quality valves for use in various applications, including hydraulic, pneumatic, instrumentation, refrigeration, and aerospace. These valves come in different types and configurations, such as manual, motor-actuated, solenoid air-operated, and electrically-actuated. Mounting options include sub-based, in-line, and manifold configurations.