Watts FP53L-M1-175 1/2 - Part of the FP53L-M1 Series Window Well Extension self-locking ductile iron dome

self-locking ductile iron dome

The kit consists of seat

PEX and PB pipe

saving you 6 inches of extra excavation

Features Lever handle can be locked in position to control water flow

Watts FP53L-M1-175 1/2 - Part of the FP53L-M1 Series Window Well Extension self-locking ductile iron domeThis 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