We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small black cylindrical fitting with G1/4 threads on both ends

Barrow Mods

Barrow Mods G1/4" Check Valve Flat Push Black TTLPF

SKU CH-VXR8-YG40M

Inline check valve with twin G1/4" threads for custom liquid-cooling loops

  • TypeFittings

Color Black

  • Inline check valve prevents back-flow in custom loops
  • Twin G1/4" threads accept any standard fitting combination
  • Flat push design keeps profile low inside tight builds
  • Suitable for drain ports, fill ports or multi-pump layouts
  • Black finish matches dark-themed cooling aesthetics

G1/4" Inline Check Valve for Custom Loops

The Barrow Mods flat-push check valve is a passive fitting that lets coolant flow in one direction only. It installs directly into any G1/4" threaded port on radiators, reservoirs, pumps or blocks. Builders use it to prevent back-flow when a pump stops or when draining a loop without spillage.

Twin G1/4" Threads and Flat Push Design

Both ends carry standard G1/4" threads so the valve accepts any compatible compression or barb fitting in black or silver finishes. The low-profile flat push body keeps the assembly compact inside tight channels or behind motherboard trays. No moving levers or external controls are present; flow direction is fixed by the internal valve seat.

Replaces Improvised Drain or Fill Solutions

The valve removes the need for temporary ball valves, T-fittings or loose tubing when creating a permanent drain port or fill port. It also isolates pumps in dual-pump configurations so a failed unit cannot be back-driven by the running pump. The upgrade is worthwhile whenever a loop requires a reliable, maintenance-free one-way path.

Highlights

  • Inline check valve prevents back-flow in custom loops
  • Twin G1/4" threads accept any standard fitting combination
  • Flat push design keeps profile low inside tight builds
  • Suitable for drain ports, fill ports or multi-pump layouts
  • Black finish matches dark-themed cooling aesthetics

Specifications

TypeFittings

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How many G1/4" threads does the valve have?

It has twin G1/4" threads, one on each end, so any G1/4" fitting can be screwed directly into either side.

What thread size must the mating fittings use?

Both ports are G1/4", so every connected fitting must also be G1/4" to seal correctly.

What is the first installation step?

Screw a G1/4" fitting into each end by hand, then tighten gently with a wrench while holding the valve body to avoid cross-threading.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.