Watts Reduced Pressure Zone Backflow Preventer, 304 Stainless Steel, Watts 957 Series, Flanged Connection 957 OSY3 Operation Adaptive Infred Activation (IR) Only moving parts are Only moving parts are a flapper valve and a tough rubber sealed foot pump each of which has a heavy duty spring at its core Range: 33 Degrees to 110 Degrees F Pressure: 175 psi
Ask the seller if a required method is unavailable. Retain confirmation of the method and amount actually used.
Check the source and date of supporting information when relevant. Consider whether the seller is promising a result or describing an intended purpose.
If reporting a problem, describe what happened rather than only saying it does not work. Do not share account passwords or payment security codes in support messages.