Red Sea R40625 Circulation Pump Hose Barb — Replacement Part for MAX NANO G1 and G2 Aquariums

⚠️ Special order — non-refundable and non-exchangeable. This part is not kept in stock: it is ordered from Red Sea on request. Please confirm compatibility with your model before ordering.

The Red Sea R40625 is the original hose barb for the circulation pump of MAX NANO reef aquariums. It screws into the pump outlet and holds the flexible hose that sends filtered water from the rear sump back to the display tank.

Compatibility

• Red Sea MAX NANO G2 XXL (parts list of the official Red Sea manual)
• Red Sea MAX NANO G2 XL
• MAX NANO G1 and G2, according to Red Sea's part description

Manufacturer part number: R40625. Not sure it's the right part? Send us your tank model before ordering.

Installation

According to the Red Sea manual, push the rubber feet onto the pump inlet, then screw the hose barb into the outlet before connecting the flexible hose.

Related products

If the pump itself needs replacing, see the MAX NANO 950 L/h circulation pump. For sump maintenance, the MAX NANO 225 micron filter sock should be replaced regularly.

Frequently asked questions

What happens if the hose barb is missing?

A MAX NANO G2 XL owner reported that without the hose barb, the hose held poorly and the pump vibrated loudly against the sump glass until the part was installed.

Is this part refundable?

No. It is a special order from Red Sea: it can't be refunded or exchanged.

Why buy from ReefSolution

Aquarium ReefSolution is an authorized Red Sea dealer in Laval, Quebec, shipping across Canada. This part is special-ordered from Red Sea — contact us for the lead time before ordering.