Waterline Insert - Stainless

Stainless Steel Waterline Insert Fittings

Our lead-free stainless steel fittings are safe for potable, cold water supplies. Stainless steel may be required where connecting to a municipal water supply. Always verify requirements with your water supplier.

Scroll to the bottom of the page for more tips and information. Other size fittings can be found in the Brass, PVC and Nylon Fitting pages - click on the links on the left.

Tip: To facilitate inserting fittings, immerse the pipe in hot water to soften it slightly. Do not use any lubricant other than water. To remove insert fittings, use hot water or a heat gun to heat waterline gently until it is just hot enough (about 150-185°F) to allow it to stretch a little.

Tip: Slide two pipe clamps facing in opposite directions over the waterline end before inserting the fitting. After inserting the fitting, position clamps side-by-side but 180° out of alignment. Tensioning screws will face in the same direction but on opposite sides of the pipe. Tighten clamps while pipe is still warm. Do not over-torque.

ins = insert
mipt = male iron-pipe-size thread
fipt = female iron-pipe-size thread
id = inside diameter
od = outside diameter
x =by (type and/or dimension)