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External Pumps
MDM SEQUENCE 750 Series High-Volume Waterfall Pumps
3,600 to 4,200 GPH 
 
750 Series Pumps
Accessory Products
 


 
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MDM SEQUENCE 750 Series Pumps
MDM SEQUENCE 750 Series Pumps
[view large image]

 
More Information
 
3600SEQ12 Spec Sheet
4200SEQ12 Spec Sheet
Sequence 750 Installation & Service Manual

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Product Characteristics

MDM's best seller! The compact model 750 series delivers big flow for little power. Great for smaller and simple ponds of 3,000 gallons or less.
 
Key Features
 
Less than half the watt draw of comparable submersible pumps
Ports are 2" FNPT suction and 1.5" FNPT discharge
Units are pre-wired with an 8' cord and molded 115 V plug
Units can now be wired for 230 V
Housing is molded of high strength, glass filled polypropylene
Quiet operation
Dry run resistant mechanical seals
Stainless steel hardware is standard
The motors are TEFC, for excellent protection
Motors are aluminum for added weather resistance
Rebuildable, industrial grade motors
Suitable for waterfalls and water courses
 
Warranty
 
3-year manufacturer's limited warranty
 
IMPORTANT
 
MUST be plugged in to a properly grounded and GFCI (Ground Fault Circuit Interrupter) protected 120 Volt outlet !
If wired for 230 V, pump must be hard-wired to a GFCI-protected circuit by a licenced electrician
DO NOT SUBMERSE
These are not suction pumps - a priming pot is required (sold separately, please see below)
Special Warranty Information for Sequence Pumps
Due to the technical nature of these pumps, the pump must be returned and inspected BEFORE the warranty can be honored - we will assist you with the claim but you may be required to ship the pump to the manufacturer for warranty service
Not approved for use in swimming pools or salt water
Ships from Oklahoma

Sequence 750 Pumps, Performance Curve
[view large image]
Performance curve

 
Product Specifications
 
 
3600SEQ12
4200SEQ12
 
MDM SEQUENCE 750 Series Pump 3600 SEQ12
MDM SEQUENCE 750 Series Pump 4200SEQ12
HP 1/8 1/8
Voltage 115 V, 60 Hz. 115 V, 60 Hz.
Max. GPH (see Performance Chart above) 3,600 4,200
Flow Adjustment no no
Max. Lift 12 ft. 12 ft.
Cord Length 8 ft. (115 V) 8 ft. (115 V)
Discharge Size 1.5" FNPT 1.5" FNPT
Intake/Suction Size 2" FNPT 2" FNPT
Recommended Tubing Diameter 2" * 2" *
Weight 14 lbs. 14 lbs.
     
Prices
3600SEQ12
$ 339.98 
4200SEQ12
$ 351.98 

* All 750 Series pumps come with a 1.5" female threaded discharge. We suggest to use 2" high-pressure tubing or pipe. Threaded adapters are required to attach tubing to the pump discharge.
These are not suction pumps - a priming pot is required (sold separately, please see below).
 
Accessory Products
 
PART # DESCRIPTION PRICE
100.771-7
Priming Pot 90 cubic nch
[view large image]
Priming Pot / Basket Strainer 90 C.I.
with clear easy-lock lid
2" FPT / 2" buttress inlet x 2" union flange outlet
includes adapters to mate with Sequence pumps
$ 98.98
 
Tubing
Tubing Coil
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Serving the pond & water garden market since 1986 and selling online since 1997, we are one of the original Internet mailorder companies and the oldest OASE dealer in North America. For more than 20 years, thousands of Americans from coast to coast have come to rely on us for expert advice and quality products.

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