Two-Way Valve and Non-Return Valve

Collector notes

Two-Way Valve and Non-Return Valve (5106-1) is a LEGO Technic release from 1987 with 2 pcs. GrailHub tracks it as part of the LEGO collecting lane, where set number, theme, release year, piece count, and display appeal all help collectors understand how the set fits on a shelf.

LEGO collectors often browse by theme first, so this page links back into Technic, LEGO, and related LEGO objects. Use those links to compare nearby releases, find other display sets, or move from a single set into the wider theme.

Related LEGO entries currently connected to this object include Fiber Optic Cables, Cyber Slam Accessories, and Pulleys and Rubber Belts. These links make it easier to keep exploring without jumping back to a generic search page.