Waterco Hydrostar MK4 Pumps (up to 1700LPM)

Q: How do I choose the right pump?

Work out your required flow and your total head, including pipe friction and any filter or UV losses, then pick the model that meets that flow at that head — every Hydrostar MK4 flow on this page is quoted at 10 m head.

Q: Can the Hydrostar MK4 be used on salt water?

Yes, with the optional seawater mechanical seal (SKU 63401625); the glass-reinforced thermoplastic body already resists corrosion and electrolysis.

Q: Are these pumps self-priming?

Yes — all five models are self-priming, with a 6 litre strainer basket ahead of the impeller.

Q: What power supply do they need?

All five Hydrostar MK4 models listed here are three phase; ask us to confirm the supply voltage and full load current for your site.

Q: What pipe connections do they take?

The Hydrostar 200 has 65 mm connections and the 300 through 700 use 80 mm metric half unions.

Q: What is the largest flow available?

The Hydrostar 700 delivers 1,500 LPM (90,000 LPH) at 10 m head from a 7.2 HP three phase motor.

Q: How do I get a price?

Hydrostar MK4 pumps are quoted to order — send us your duty point, water type and supply details and we will come back with pricing and lead time.

Centrifugal pumps for higher-flow water circulation in aquaculture and pond systems.

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Categories: Centrifugal Pumps, Water Pumps

Applications: Live Holding & Purging, LSS, RAS

Brand: Waterco

Waterco Hydrostar MK4 Pumps (up to 1700LPM)

Waterco Hydrostar MK4 Pumps (up to 1700LPM) - Image 2

Waterco Hydrostar MK4 Pumps (up to 1700LPM) - Image 3

Waterco Hydrostar MK4 Pumps (up to 1700LPM) - Image 4

Product Information

Key Features

Five self-priming commercial models delivering 350 to 1,500 LPM at 10 m head
Injection-moulded glass-reinforced thermoplastic body — will not rust, corrode or electrolyse, and resists many water treatment chemicals
Seamless one-piece body with no welds, seams or tank linings to fail
6 litre moulded polypropylene strainer basket behind a clear polycarbonate lid for instant inspection
Lid lock ring with ergonomic grip handles — open and reseal the strainer without tools
Heavy duty IP55 weatherproofed motor with 431 stainless steel shaft and enclosed glass-filled Noryl impeller
Optional seawater mechanical seal (SKU 63401625) for salt water duty; 65 mm connections on the 200, 80 mm metric half-union on the 300 to 700
To size a pump, work out your required flow and your total head, including pipe friction and any filter or UV losses, then pick the model that meets that flow at that head

Specifications

Model	SKU	Flow at head	Motor	Supply	Connections
Hydrostar 200	24042003	350 LPM (21,000 LPH) at 10 m head	2 HP (~1.5 kW)	Three phase	65 mm
Hydrostar 300	240430083	500 LPM (30,000 LPH) at 10 m head	3 HP (~2.2 kW)	Three phase	80 mm
Hydrostar 400	2404400333	950 LPM (57,000 LPH) at 10 m head	4 HP (~3.0 kW)	Three phase	80 mm metric half union
Hydrostar 550	2404550333	1,300 LPM (78,000 LPH) at 10 m head	5.7 HP (~4.3 kW)	Three phase	80 mm metric half union
Hydrostar 700	2404700333	1,500 LPM (90,000 LPH) at 10 m head	7.2 HP (~5.4 kW)	Three phase	80 mm metric half union
Seawater mechanical seal	63401625	Accessory — seal upgrade for salt water duty	—	—	Suits Hydrostar range

Downloads

Hydrostar MK4 Brochure Hydrostar MKIII Brochure Hydrostar MK3 and Hydrostar Plus Brochure

Frequently Asked Questions

How do I choose the right pump?

Can the Hydrostar MK4 be used on salt water?

Are these pumps self-priming?

What power supply do they need?

What pipe connections do they take?

What is the largest flow available?

How do I get a price?

Spare Parts & Consumables

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Waterco Hydrostar MK4 Pumps (up to 1700LPM)

Product Information

Key Features

Specifications

Downloads

Frequently Asked Questions

Spare Parts & Consumables

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