QD Coupler 1/4”F X 1/4” FPT PX6

The QD Coupler 1/4”F X 1/4” FPT (part# PX6) is a genuine Tacony OEM replacement part from the chassis assembly of the Tornado Marathon SE 900 self-contained carpet extractor. It is the female half of the quick-disconnect that lets a solution line be connected and separated without tools.

What the QD Coupler 1/4”F X 1/4” FPT does

The female body is the half that carries the latch and, on most solution couplers, the shut-off. It captures the male plug, holds it against line pressure, and closes when the plug is pulled so the hose does not dump its contents on the floor. That is why the female and male halves are separate part numbers and why replacing the wrong one leaves the fault exactly where it was.

When to replace the QD Coupler 1/4”F X 1/4” FPT (PX6)

Replace it when it will not latch or releases under pressure, when it weeps while connected, or when it keeps dripping after the plug is removed. Grit in the sealing face is a common cause of a coupler that seals only sometimes, so clean and retest before condemning it.

QD Coupler F PX6 — fitment and installation notes

Depressurise the system before disconnecting, and keep both halves off the floor, since one piece of grit in a coupler face causes a leak that no amount of tightening fixes. Seal the pipe thread properly and do not overtighten a coupler body, and confirm the plug latches fully before pressurising. Tacony builds the Tornado Marathon SE 900 and the Powr-Flite Prowler PFX900S on a single machine platform, so this component carries across both brands rather than belonging to either one. It is a shared Tacony component and may fit additional models beyond those listed — call us and we will confirm against your serial number.

Compatible Models for the QD Coupler 1/4”F X 1/4” FPT

• Tornado Marathon SE 900 — Model 98170
• Powr-Flite Prowler PFX900S
• Powr-Flite PFX900SG

Twin City Vacuum has been selling and servicing commercial floor-care equipment since 1956 from 5415 West Broadway, Crystal, MN 55428. We stock genuine Tacony parts and ship nationwide. Browse the full Tornado 98170 parts catalogue, or see the manufacturer at tornadovac.com.

Frequently Asked Questions

What does the QD Coupler 1/4”F X 1/4” FPT do on the Tornado Marathon SE 900?

The female body is the half that carries the latch and, on most solution couplers, the shut-off. It captures the male plug, holds it against line pressure, and closes when the plug is pulled so the hose does not dump its contents on the floor. That is why the female and male halves are separate part numbers and why replacing the wrong one leaves the fault exactly where it was.

How do I know if my QD Coupler 1/4”F X 1/4” FPT needs replacing?

Replace it when it will not latch or releases under pressure, when it weeps while connected, or when it keeps dripping after the plug is removed. Grit in the sealing face is a common cause of a coupler that seals only sometimes, so clean and retest before condemning it.

What models is the QD Coupler 1/4”F X 1/4” FPT (part# PX6) compatible with?

The Tornado Marathon SE 900 (Model 98170), the Powr-Flite Prowler PFX900S and the PFX900SG. It is a shared Tacony part and may fit further models; call us to confirm.

How do I order the QD Coupler 1/4”F X 1/4” FPT (part# PX6) or get help?

You can add the QD Coupler 1/4”F X 1/4” FPT (part# PX6) directly to your cart on this page, or call us at 763-535-0770. Our staff at 5415 West Broadway, Crystal, MN 55428 has been servicing Tornado equipment since 1956 and can help confirm the right part for your machine.