Red Sea Reefer Sump Pump Return Pipe RF G2 900/S-850/S-1000 Extension - Left Y Connect
Fits
REEFER G2 900, REEFER G2 S-850, REEFER G2 S-1000
Part no.
R43318
Red Sea Reefer Sump Pump Return Pipe RF G2 900/S-850/S-1000 Extension - Left Y Connect
The genuine left-side extension that splits sump return flow on the large-format Reefer G2 range. This is the factory left Y-connect return pipe extension, Red Sea part number R43318, for the REEFER G2 900, S-850 and S-1000 — the extension section that splits and extends the sump return on the left side of these large twin-return systems.
Key features
- Genuine Red Sea part — matched bore and seal dimensions to the factory sump plumbing on these models.
- Y-connect design — splits the return flow to feed both left-side return points on a twin-return sump layout.
- Direct-fit replacement — restores a cracked, leaking or missing extension without re-engineering the plumbing run.
Specifications
| Red Sea part number | R43318 |
|---|---|
| Our SKU | RED816e |
| Type | Sump return pipe extension, left Y-connect |
| Side | Left |
| Fits | REEFER G2 900, S-850, S-1000 |
Will it fit my tank?
This is the left-side part for the large-format REEFER G2 900, S-850 and S-1000. It is not interchangeable with the right-side Y-connect (R43320) — the two are mirror-image parts and only one will align with the left return run. It does not fit the 350–750 REEFER G2 range, which uses a single-return sump layout without a Y-split.
Suitable for, and not suitable for
Suitable for repairing or replacing the left-side return split on a REEFER G2 900, S-850 or S-1000 sump. Not suitable for the smaller G2 350–750 range or for the right-side return run on any model.
Warranty and delivery
Covered by Red Sea's manufacturer warranty against manufacturing defects, in addition to your consumer guarantee rights under Australian Consumer Law. Ships as a small parcel item at standard freight rates.
Common questions
Is this the same as the right-side Y-connect?
No. R43318 is the left-side part and R43320 is the right-side part — they're mirror-image fittings for the twin-return sump on these large systems.
Will this fit my REEFER G2 750?
No. The 750 and smaller G2 models use a single-return sump layout. This Y-connect is specific to the twin-return 900, S-850 and S-1000.
Does this include O-rings or seals?
It's supplied as the pipe extension fitting itself, matched to the original seals in your sump plumbing. Inspect existing O-rings when you disassemble the joint and replace them if worn.
