Dudley Turbo 44 11" Duoflush Siphon — PSPSY4319764
The Dudley Turbo 44 (11-inch) is a market-leading WC flushing siphon specifically engineered for narrower cisterns. Featuring a unique patented 2-part design, this model (PSPSY4319764) allows the siphon body to be removed for servicing in minutes without disconnecting the water supply or dismantling the cistern. It is a 9-litre convertible siphon providing water-saving dual-flush capabilities and is widely considered the industry standard for reliability in high and low-level installations.
Identification Guide:
MPN: PSPSY4319764 | Siphon Height: 11" (279mm) to spillover | Outlet: 38mm (1.5") | Range: Turbo 44
Turbo 44 Sizing & Compatibility Chart
To identify the correct size, measure from the water level line (normally marked at the back of the cistern) and add 1” (25mm). The height stated is measured from the bottom of the flange to the spillover point.
| Height (mm) | Siphon Height | Quick Link |
|---|---|---|
| 203mm | 8" | FTB451 |
| 229mm | 9" | FTB452 |
| 254mm | 10" | FTB454 |
| 279mm | 11" | Current Listing (FTB456) |
| 292mm | 11.5" | FTB457 |