FormulaMod Fm-BZDS G1/4 Male-to-Male Double External Thread Adapter, Brass, Standard Length

FormulaMod Fm-BZDS G1/4 Male-to-Male Double External Thread Adapter, Brass, Standard Length

TL;DR: Fm-BZDS is a brass G1/4 double-external-thread adapter that joins two female G1/4 ports directly to each other. The most common use is bridging a reservoir bottom port to a pump top inlet on a combo reservoir-pump stack, or joining two female-threaded blocks back-to-back when no tubing run is...

Common Applications

Fm-BZDS is a brass G1/4 double-external-thread adapter that joins two female G1/4 ports directly to each other. The most common use is bridging a reservoir bottom port to a pump top inlet on a combo reservoir-pump stack, or joining two female-threaded blocks back-to-back when no tubing run is needed in between. Both ends are male G1/4 with pre-installed O-rings; the body is fixed (no rotary action). Tighten by hand until both O-rings compress fully against the mating port faces. Available in black and silver.

Frequently Asked Questions

Q: What is this adapter for?

A: Joining two G1/4 female ports back to back with no tubing between them, typically reservoir to pump top, or chaining two female-threaded blocks.

Q: Does it rotate?

A: No, it is a fixed straight adapter. For free rotation, use a male-to-male rotary fitting instead.

Q: How long is it?

A: This is the standard-length variant; FormulaMod also offers a mini version (Fm-MNDS) for tight gaps. Measure your gap before choosing.

Q: What is the thread on each end?

A: Standard G1/4 male on both ends with O-rings pre-installed.

Q: What is the body made of?

A: Brass, with a colored coating in black or silver.