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See The Pressure Washer
In Action
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You can use any of this PowerFLO Series diaphragm pumps in typical applications such as RVs, Carpet Cleaning, Construction equipment, Agriculture spraying equipment. They are useful everytime you need to transfer fluid between two points (from watertank to pressure washer, from vacuum to lake...).
The pump is driven by an AC or DC motor. In front, the motor is a valve assembly containing two to five valve pump chambers. Each valve chamber has a diaphragm behind it in the lower pump housing. As the motor shaft turns, an internal cam positioned behind the diaphragms causes the diaphragms to be pushed forward, then back in a continuous sequence creating a suction. As this suction builds, fluid is pulled through the inlet, through the various valve chamber check valves to the outlet.
Read more on how to use a water pump. and how to choose a transfer pump.
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Transfer Pumps |

Transfer Pumps - 2 GPM |
Pump Features:
- Pump Head: 3 chambers, positive displacement diaphragm pump, self priming, capable of being run dry.
- Maximum capability of 2 GPM
- Certifications: NSF Standard 58
- Demand or Bypass mode available: demand is equipped with pressure switch that will shut down the pump if the pressure goes too high. On bypass pumps, the pump will NOT shut off and the water will recirculate to the inlet side.
- Liquid temperature: 140°F Max
- Priming Capabilities: 14 feet
- Inlet/Outlet: 1/2" FNPT
- View dimensions
Motor Features:
- 12 VDC battery, totally enclosed, non-ventilated
- Leads: 14 AWG, 12" Long
- Temperature Limits: Motor is not equiped with thermal protection. For user safety, optimal performance, and maximum motor life, the motor surface temperature should not exceed 150°F
- Maximum torque and operationg efficiency; higher operating pressure and/or lower amperage than competitive pumps
- Quality components for extreme performance
- Numerous fitting option for greater mounting flexibility
Ordering Information - FREE Shipping
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GPM |
Max PSI |
MOTOR |
PUMP |
PRICE |
DEL-7812-101 |
2 |
60 |
12 VDC with lead wires |
Demand |
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DEL-7812-111 |
2 |
60 |
12 VDC with lead wires |
ByPass |
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Performance:
PSI |
GPM |
Amps |
10
20
30
40
50
60 |
2.00
1.70
1.60
1.55
1.25
1.05
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2.8
3.7
4.2
4.7
5.2
5.7
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Transfer Pumps - 4 GPM
DEL-5830-104C

Transfer Pumps - 5 GPM
DEL-5850-101C
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Pump Features:
- Pump Head: 5 chambers, positive displacement diaphragm pump, self priming, capable of being run dry.
- Maximum capability of 5 GPM
- Certifications: NSF Standard 58
- Demand or Bypass mode available: demand is equipped with pressure switch that will shut down the pump if the pressure goes too high (45 PSI, call us for different levels). On bypass pumps, the pump will NOT shut off and the water will recirculate to the inlet side.
- Liquid temperature: 140°F Max
- Priming Capabilities: 14 feet
- Max Pressure: 100 PSI
- Inlet/Outlet: 1/2" FNPT
- View dimensions
Motor Features:
- 12 VDC battery, totally enclosed, non-ventilated (115 VAC available)
- Leads: 14 AWG, 12" Long
- Temperature Limits: Motor is not equiped with thermal protection. For user safety, optimal performance, and maximum motor life, the motor surface temperature should not exceed 180°F
- Maximum torque and operationg efficiency; higher operating pressure and/or lower amperage than competitive pumps
- Quality components for extreme performance
- Numerous fitting option for greater mounting flexibility
Ordering Information - FREE Shipping
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GPM |
Max PSI |
MOTOR |
PUMP |
PRICE |
DEL-5830-104C |
3 |
100 |
115 VAC
with 4' Cord
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Demand
(starts at 60 PSI) |
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DEL-5850-101C
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5 |
100 |
12 VDC |
ByPass
(starts at 45 PSI) |
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Performance: For DEL-5830-104C
PSI |
GPM |
Amps |
10
20
30
40
50
60 |
3.20
2.80
2.65
2.45
2.20
2.00
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3.5
5.8
7.2
8.3
9.1
9.9 |
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Performance: For DEL-5850-101C
PSI |
GPM |
Amps |
10
20
30
40
50
60 |
5.0
4.50
4.10
3.88
3.55
3.20
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6.0
9.0
11.0
13.0
14.6
16.3 |
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Diaphragm Pumps |
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Diaphragm Pump
1.00 - 3.8 GPM integrated pump motor units. Powered by 12V DC or 115 V AC Power. Pumps are standard with Santoprene diaphragms and Viton valves for excellent service with a wide variety of sprayable products.
- Chemical resistant materials
- Can run dry without damage
- Self priming
- Low amp draw
- Automatic demand pressure switch or intenal bypasss
MODEL |
POWER |
MAX FLOW |
MAX PSI |
PORTS |
DIAPHRAGM |
VALVES |
PRICE |
SM-8-.702-294-0 |
12V DC |
1.0 |
60 |
1.0 |
Santoprene |
Viton |
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SM-8-702-304-0 |
12V DC |
1.2 |
60 |
1.0 |
Viton |
Viton |
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SM-8-702-300-0 |
12V DC |
1.4 | 60 |
1.0 |
Santoprene |
Viton |
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SM-8-702-296-0 |
12V DC |
1.4 | 100 |
1.0 |
Santoprene |
Viton |
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SM-8.702-335.0 |
12V DC |
1.5 | 150 |
1.0 |
Santoprene |
Viton |
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SM-8-702-302-0 |
12V DC |
1.7 | 100 |
1.0 |
Santoprene |
EPDM |
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SM-8.702-311.0 |
115 V |
1.0 | 60 |
1.0 |
Santoprene |
Viton |
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SM-8-702-307-0 |
115 V |
1.0 | 60 |
1.0 |
Viton |
Viton |
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SM-8-702-306-0 |
115 V | 1.0 |
60 |
1.0 |
Santoprene |
Viton |
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SM-8-702-334-0 |
115 V |
1.4 |
100 |
1.0 |
Santoprene |
Viton |
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SM-8-702-308-0 |
115 V |
1.7 |
100 |
1.0 |
Santoprene |
Viton |
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SM-8-702-338-0 |
115 V |
1.6 |
100 |
1.0 |
Santoprene |
EPDM |
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Premium Series - self primes up to 12 foot - Built in Back Check |
SM-8-702-305-0 |
115 V |
1.6 |
100 |
1.0 |
Santoprene |
EPDM |
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SM-8-702-303-0 |
115 V |
1.6 |
100 |
1.0 |
Santoprene |
EPDM |
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SM-8-702-301-0 |
115 V |
1.6 |
100 |
1.0 |
Santoprene |
EPDM |
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SM-8-702-310-0 |
115 V |
1.6 |
100 |
1.0 |
Santoprene |
EPDM |
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Double Head |
SM-8-702-339-0 |
12 V |
7.0 |
50 |
1/2"-14M |
Santoprene |
Viton |
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Air Drive |
SM-8-702-317-.0 |
Air |
2.0 |
60 |
3/8" Barb |
EPDM |
EPDM |
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SM-8-702-318-0 |
Air |
2.0 |
60 |
3/8" Barb |
Viton |
Viton |
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Diaphragm Pump
Built in pressure switch automatically starts and stops pum instantaneously.
- Can run dry without damage
- Excellent Self Priming capability
- Low current draw
MODEL |
POWER |
MAX FLOW |
MAX PSI |
PORTS |
DIAPHRAGM |
VALVES |
PRICE |
SM-8-702-325-.0 |
12 V DC |
1.48 |
60 |
3/8" FPT |
BUNA |
Viton |
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SM-8-702-328-0 |
12 V DC |
3.30 |
40 |
1/2" Barb |
Santoprene |
EPDM |
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SM-8-702-312-0 |
115 V |
1.85 |
50 |
3/8" FPT |
Santoprene |
Santoprene |
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SM-8-702-337-0 |
115 V |
1.85 |
50 |
3/8" FPT |
Viton |
Viton |
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SM-8-702-331-0 |
115 V |
3.70 |
35 |
1/2" Barb |
Santoprene |
EPDM |
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SM-8-702-329-0 |
115 V |
4.70 |
35 |
1/2" Barb |
Santoprene |
EPDM |
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See Also
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Read more on how to and why should you use a transfer pump.
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Heavy Industrial Water Pumps
The AMT 6" engine driven pump is designed for applications requiring high volume flow and solid/debris handling capabilities. Pump is constructed of heavy duty sand cast aluminum with cast iron and stainless steel internal parts for wear resistance and durability.
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Pressure Washers COMET Pumps
Browse here our large variety of industrial rated COMET Pumps for pressure washers. Built in Italy, most of the models comes with a 5 year warranty.
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If you have any questions regarding the model differences or technical specifications please call our Customer Service Line at Toll Free 866-858-4982 or send us an email at: info@ultimatewasher.com
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