Watts LF174A 090 FS 2 - Part of the LF174A Series ZA100F-2NH Please click here to see

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For maintenance

Replaceable seat assembly

adjust until it is level with the surface

The easy maintenance assembly consists of a double union body without the union fittings

Watts LF174A 090 FS 2 - Part of the LF174A Series ZA100F-2NH Please click here to seeThis lead free pressure relief valve has a 2 inch NPTF female inlet and outlet and a 90 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