Watts LF4L-150 3/4 - Part of the LF4L Series Strip Drian Features Prevents over-pressure caused by

Features Prevents over-pressure caused by thermal expansion

This model is well suited for concrete floor installations where dependable cleanout access is essential

6" × 12" rectangular grate ideal for linear or perimeter drainage

Flashing clamp with integral gravel stop for watertight membrane attachment

Robust Construction: Engineered for resilience

Watts LF4L-150 3/4 - Part of the LF4L Series Strip Drian Features Prevents over-pressure caused byThis 3 4 inch pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters. It consists of a lead free body construction with 3 4 inch NPT threaded male inlet and 1 2 inch NPT threaded female (drain) outlet, test lever, and stainless steel spring. It is ANSI Z21. 22 approved, ASME rated and design certified and listed by CSA. The pressure relief is set at 150 psi