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Dolphin Amp Master Diamond External Marine Pump - 4750 GPH (Type-2)
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Dolphin Amp Master Diamond External Marine Pump - 4750 GPH (Type-2)

Temporarily Out of Stock: ETA 5-7 business days

Item #: DP45002

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Quick Overview

Dolphin Amp Master Diamond Pump Clean Pre filtered Marine/Fresh Water Pump Lowest Amp Draw Marine Pump. Very cool running Silent indoor or un protected outdoor use. Circulates up to 4750 GPH All new engineering...
Product Description
Reviews

Dolphin Amp Master Diamond External Marine Pump - 4750 GPH (Type-2) Information



Part #: 73203245002

Dolphin Amp Master Diamond Pump

  • Clean Pre filtered Marine/Fresh Water Pump
  • Lowest Amp Draw Marine Pump.
  • Very cool running Silent indoor or un protected outdoor use.
  • Circulates up to 4750 GPH All new engineering using fringe tech seals simply the best pump on Earth for Aquariums or Ponds.
  • Extremely compact out performing heavy bulky 2" pumps.
  • Built to consume the lowest amount of energy per gallon pumped.
  • Unique Seal engineered to perform @ 100% for life, and outlast all other pump seals on the market by many years.
  • Motor pad and 1.5" new super seal unions included.
  • Recommended for fish only saltwater tanks or ponds with salt added.
  • 2 Year Warranty/Lifetime Service Guarantee
Dolphin 4750 Graph

Seal Types
Type Application Description Warranty
Type 1 Freshwater Over double the work life expectancy
of other style freshwater seals.
10-year factory
service guarantee
Type 2 Marine Designed for pumping clean
non-abrasive marine water.
10-year factory
service guarantee
Type 3 Fresh, marine,
and any abrasive water
Designed for pumping water containing
abrasive sand and minerals.
Lifetime factory
service guarantee
Type 4 Fresh, marine,
and any abrasive water
Recommended for extreme abrasive environments
and where the pump will cycle on and off.
Lifetime factory
service guarantee
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Dolphin Amp Master Diamond External Marine Pump - 4750 GPH (Type-2) Reviews

Average Reviews

Customer Reviews

Great Reef Tank Pumps Product Review by JAMES H WALKER (Posted on 2/26/14)
Rating
Excellent!

Comments: The Dolphin Amp Master Pumps are excellant main pumps for large systems. i have used them for over 6 years with only 2 seal replacements in that time. The last pump was purchased as a spare pump to allow cleaning and repairs. Great equipment.

Go for the extra dollars Product Review by JOSEPH C AMATO (Posted on 2/26/14)
Rating
Excellent!

Comments: This product is cost twice as much as all the others but you get what you pay for Runs like a champ and never stops giving you 100% 24 hrs a day

Excellent pump Product Review by SCOTT BRASSEUR (Posted on 12/19/13)
Rating
Excellent!

Comments: Excellent product....performs as expected.

Response to Astolfo Rueda Product Review by MIRA FLOWERS (Posted on 4/2/13)
Rating
Excellent!

Comments: In line micron filters are filters with very fine openings to remove the finest suspended particles in sterile pool water, not biological systems, due to rapid plugging with bio slime.
They require pumps able to run at higher pressures such as the Dolphin aqua sea models, not any amp master pump which are designed to silently and efficiently move water at low pressures. Any system that incorporates a micron filter can not be an energy efficient system and therefore can not be operated with the ultra efficient amp master pumps.
This person's problem is not the pump, it's his knowledge of filtration.
This is a great pump with a plethora of industry uses. It is a rising star in aquaponics!
I think I have called this company more than I call my mother asking questions, and they never tire of hearing from me or answering some heavy technical questions.

Dr B Product Review by WILLIAM BURKE (Posted on 8/13/12)
Rating
Excellent!

Comments: Did an unbelievable job

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