Watts FP53L-M1-175 1/2 - Part of the FP53L-M1 Series Window Well Extension This total rubber parts kit

This total rubber parts kit is used for replacing or repairing the relief valve assembly on a 3/4 and 1 inch lead free reduced pressure zone assembly series 909 used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure

preventing sediment from infiltrating waterways and surpassing jobsite limits

saving you 6 inches of extra excavation

ZN400C-3IC

Watts FP53L-M1-175 1/2 - Part of the FP53L-M1 Series Window Well Extension This total rubber parts kitThis 1 2 inch, 175 psi pressure relief valve is designed to relieve thermal expansion in fire protection systems. It features a lever for flushing and draining the system and a second lever to lock the valve closed for hydrostatic testing of the system. This relief valve is FM and UL listed. Features 1 2 IN male NPT inlet connection 1 2 IN female NPT outlet connection 175 psi set pressure FM and UL listed Specifications Body Material Bronze Brand