LEGO 5106 Two-Way Valve and Non-Return Valve is a vintage Service Packs set from 1987 valued at $25 for new and sealed sets, up 603% from an original retail price of $3.49. Annual appreciation has averaged 3.31% since release. On the used market, values range from $9 to $11 based on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Two-Way Valve and Non-Return Valve since June 2017. Very high accuracy
LEGO 5106-1 Two-Way Valve and Non-Return Valve is a Service Packs Technic set released in 1987, containing 2 pieces. It includes a light gray pneumatic distribution block 2 x 4 with a non-return (check) valve and a light gray pneumatic switch with top studs. The components were supplied as spare/expansion parts for Technic pneumatic systems of the era, enabling airflow control and one-way flow within larger Technic builds.

A new and sealed Two-Way Valve and Non-Return Valve is currently valued at around $25, with annual growth of approximately 3%. The average used price is $10 for those in good overall condition. Based on current trends, this set could be valued near $25 within the next year.

For Sale (New/Sealed)

(NL) BrickLink store Wereldstenen $27.49
+12.0%
(NL) BrickLink store Wereldstenen $33.54
+36.7%

Sets in Service Packs / Technic

1346 Touch Sensors, 4.5V

Theme / Subtheme Service Packs / Technic
Year 1987
Pieces 2
Availability Retired
1346 LEGO Technic Touch Sensors, 4.5V
Retail $5.99
Value $31.85
Growth  +431.7%
Annual growth 3.4%

5102 Pneumatic Tube Black and Grey 60 and 100 cm

Theme / Subtheme Service Packs / Technic
Year 1987
Pieces 2
Availability Retired
5102 LEGO Technic Pneumatic Tube Black and Grey 60 and 100 cm
Retail $1.99
Value $23.51
Growth  +1081.4%
Annual growth 6.5%

5103 Pneumatic Spring Cylinder 48 mm Red

Theme / Subtheme Service Packs / Technic
Year 1987
Pieces 1
Availability Retired
5103 LEGO Technic Pneumatic Spring Cylinder 48 mm Red
Retail $1.99
Value $9.23
Growth  +363.8%
Annual growth 4.5%

5104 Pneumatic Piston Cylinder 48 mm Yellow

Theme / Subtheme Service Packs / Technic
Year 1987
Pieces 1
Availability Retired
5104 LEGO Technic Pneumatic Piston Cylinder 48 mm Yellow
Retail $1.99
Value $13.59
Growth  +582.9%
Annual growth 4.2%

5105 Pneumatic Piston Cylinder 64 mm Yellow

Theme / Subtheme Service Packs / Technic
Year 1987
Pieces 1
Availability Retired
5105 LEGO Technic Pneumatic Piston Cylinder 64 mm Yellow
Retail $2.49
Value $19.33
Growth  +676.3%
Annual growth 5.4%