Watts 3L-150-Z9 3/4 - Part of the 3L Series Access Tile a galvanized body and a

a galvanized body and a reversible clamping collar with primary and secondary weepholes

a loose-set porcelain-enameled cast iron grate

copper alloy Bourdon tube pressure element

The double-sided HDPE seam tape can be used to join several rolls of HDPE

Watts 3L-150-Z9 3/4 - Part of the 3L Series Access Tile a galvanized body and aThis 3 4 inch pressure relief valve is used in residential applications to protect against excessive pressure on storage tanks and tankless water heaters used in outside solar applications. It consists of a brass body construction with NPT threaded male inlet and NPT threaded female (drain) outlet, stainless steel test lever, pin and spring. It is ANSI Z21. 22 approved, ASME rated and design certified and listed by CSA. The pressure relief is set at