Watts LF174A 150 FS 2 - Part of the LF174A Series mainline-adatile and adjustable spring for reduced

and adjustable spring for reduced pressure range of 10 to 50 psi

Multiple Size Options — Available in 7-inch or 9-inch funnel diameter with a range of outlet sizes (e

This 3/4 inch two-way universal flow check valve is for use in commercial and residential hydronic heating systems to provide positive shutoff when circulator is not running

Flat Base – Neutral invert design for installations with minimal slope

It is manufactured in the USA from recycled plastic

Watts LF174A 150 FS 2 - Part of the LF174A Series mainline-adatile and adjustable spring for reducedThis lead free pressure relief valve has a 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