Watts LF174A 150 FS 1 1/2 - Part of the LF174A Series American Wick Drain It features a self-furred design

It features a self-furred design with furring points every 4 inches across the netting

Features Micro-bubble air separator

Large free-area design to handle ample flow from planting zones and green roof surfaces

Specification Sheet - CSM-61-T

Watts LF174A 150 FS 1 1/2 - Part of the LF174A Series American Wick Drain It features a self-furred designThis lead free pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 150 psi pressure relief setpoint. This valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a lead free copper silicon alloy body, non metallic disc to metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water