Female NPT threads 1-1⁄4" sizes and larger include a a grease zerk fitting for lubrication (use only with the valve in the open position) or for draining

Used on any aerator pump intake

There is a third connection on the motor

10 pan head mounting screws

With a fully-sealed motor housing and Integrated electronics

Vetus PM141 - Porthole type PM141 CE-A1 338x122 Hubbell Female NPT threads 1-1⁄4" sizesHeavy duty portholes! These portholes are suitable for use in the hull side. The 10mm smoke coloured opening pane is set in satin anodized aluminum frame. Black and white powder coated frames are optional. The clamp fixing ensures that no fasteners are visible fromeither inside or outside. The portholes can be fitted in a surface with a minimum thickness of 2mm and a maximum thickness of 18mm. As standard a mosquito screen is supplied. A fixed version