AquaForte Ecomax O‑Series 18000 Pond Pump – Maximum Flow, Energy‑Efficient Performance

Product Overview

The AquaForte Ecomax O‑Series 18000 is the highest‑capacity pump in the O‑Series range, engineered for large ponds, koi systems, commercial water features and demanding filtration setups. Delivering an impressive 17,500 L/h at 220 W, it provides exceptional flow for applications requiring strong, continuous water movement.

The robust vortex impeller handles solids up to 6 mm, ensuring reliable, clog‑free performance even in high‑waste koi environments. Built with a ceramic shaft and corrosion‑resistant housing, the O‑18000 is designed for long‑term durability. It can be installed submerged or dry‑mounted inline, provided the inlet remains below water level.

Backed by a 2‑year manufacturer warranty, this pump is ideal for large koi ponds, commercial ponds, multi‑tier waterfalls, long streams and heavy‑duty filtration systems.

---

Technical Data

Specification	AquaForte Ecomax O‑Series 18000
Max Flow Rate	17,500 L/h
Max Head Height	6.0 m
Power Consumption	220 W
Voltage	220–240 V / 50 Hz
Solids Handling	Up to 6 mm
Inlet/Outlet	1.5″–2″ BSP threaded hosetail (25–38 mm)
Installation	Submersible or dry‑mounted inline
Cable Length	10 m
Warranty	2 years manufacturer backed

---

Performance Comparison – AquaForte Ecomax O‑Series Range

Model	Max Flow (L/h)	Max Head (m)	Power (W)	Recommended Pond Size	Ideal Use
O‑4600	4,600	2.6	46	Up to 9,000 L	Medium ponds, filters, small waterfalls
O‑6500	6,200	3.2	65	Up to 12,000 L	Larger ponds, multi‑tier watercourses
O‑8500	8,200	4.2	95	Up to 16,000 L	Large ponds, koi systems
O‑10000	9,500	4.5	120	Up to 20,000 L	Heavy‑duty filtration, long streams
O‑13000	13,000	5.0	130	Up to 25,000 L	Large koi ponds, waterfalls
O‑16000	15,500	5.5	180	Up to 30,000 L	Commercial or multi‑pond setups
O‑18000	17,500	6.0	220	Up to 35,000 L	Large water features, high‑flow systems

---

Key Features

• Energy‑efficient asynchronous motor – excellent flow with controlled running costs
• Vortex impeller – handles solids up to 6 mm without clogging
• Flexible installation – submersible or dry‑mounted inline
• Quiet operation – suitable for residential and commercial ponds
• Durable ceramic shaft – corrosion‑resistant for long life
• 2‑year warranty – manufacturer‑backed reliability

---

Why Choose the AquaForte Ecomax O‑Series 18000

• Proven Dutch engineering for dependable, continuous operation
• Maximum flow performance with 17,500 L/h output
• Ideal for large koi ponds, commercial ponds and high‑lift waterfalls
• Excellent value compared to typical retail pricing
• Compatible with most pond filters, pressure filters and watercourses

---

Comparison With Other Pump Types

AquaForte O‑18000 vs O‑16000

• Higher flow rate
• Higher head height
• Best choice for maximum‑flow applications
• Slightly higher running cost

AquaForte O‑18000 vs Smaller Models

• Significantly more power and lift
• Designed for large ponds and commercial systems
• Smaller models are more efficient for domestic ponds

AquaForte O‑Series vs Generic Budget Pumps

• Lower running costs
• Better solids handling
• Longer lifespan
• Quieter operation
• Proper UK warranty and parts availability

---

SEO FAQ Section

Is the AquaForte O‑18000 suitable for koi ponds?

Yes. Its high flow rate and 6 mm solids‑handling capability make it ideal for large koi systems.

Can the O‑18000 be used dry‑mounted?

Yes. It can run inline, but the inlet must remain below water level to prevent air intake.

How energy‑efficient is the AquaForte O‑18000?

It delivers 17,500 L/h at 220 W, offering strong performance for a high‑flow pump.

What size pond is the O‑18000 suitable for?

It is recommended for ponds up to 35,000 L, depending on fish load and filtration.

Does the pump handle dirty water?

Yes. It is designed for dirty‑water environments and can pass solids up to 6 mm without clogging.

How long is the warranty?

The pump includes a 2‑year manufacturer‑backed warranty.

How does the O‑18000 compare to other O‑Series pumps?

It is the highest‑flow model, ideal for large ponds, commercial systems and high‑lift waterfalls.