UDOR - Kappa 18 Pump Only

Udor Kappa 18 Pump Only (motor not included). Replacement pump for the Kappa 18/12V DC Powered Diaphragm Pump with Electric Motor. .

Kappa 18 pump by Udor, ready to couple to a 12 volt motor.

Kappa 18 pump by Udor, ready to couple to a 12 volt motor.

  • Kappa 18 Pump Only
    CAD $605.44
  • UDOR Kappa 7/15/18 Diaphragm Kit - Desmopan
    CAD $68.63
  • UDOR Repair Kit 8700.28
    CAD $49.17
    • Buy 4 for CAD $44.30 each and save 10%
  • UDOR Kappa 18 Repair Kit - 8700-27CK
    CAD $267.70


The Udor Kappa 18 Diaphragm Pump is the replacement pump for the Kappa 18/12V Motor Assembly (pump and motor).

This Kappa 18 is a low pressure, two diaphragm pump that features the largest flow and pressure rating in its class and is recommended for use with 12V DC deep cycle marine batteries.

These Kappa 18 Diaphragm Pumps are great to use for horticultural, agricultural, lawn care, tree spraying, fluid transfer, weed control, pest control, and injection spraying applications. They can easily handle the pumping and spraying of a wide variety of agricultural chemicals, including herbicides, pesticides, de-icing materials, liquid fertilizers, abrasive materials, and other hard-to-handle fluids.

  • Max. Flow: 4.2 GPM (16 LPM)
  • Max. Pressure: 70 PSI (4.8 bar)
  • Max. Pump Speed: 550 RPM
  • Max. Fluid Temperature: 140 degrees Fahrenheit (60 degrees Celsius)
  • Port Sizes: 3/4" (19 mm) inlet, 1/2" (13 mm) outlet
  • Two diaphragm, low pressure, positive displacement pump
  • Desmopan diaphragms
  • Internally manifolded with anodized aluminum construction
  • Glass-filled nylon heads
  • Anodized aluminum, glass-filly nylon, and stainless steel liquid handling parts
  • One piece stainless steel diaphragm bolts
  • Stainless steel check valves
  • Self-priming pump
  • Can be run dry
  • Weight: 8 lbs. (3.6 kg)

12V DC Electric Motor is NOT included.

Recommended Repair Kits for the Kappa 18 are the 8700.27 Desmopan Diaphragm Kit, the 8700.28 Buna Diaphragm Kit, or the 8700.27CK Complete Repair Kit.

Check under the Related Information section for more files pertaining to this Kappa 18 Diaphragm Pump.

Pay In Installments

Add one or more qualifying products to your cart and your entire order becomes eligible for interest-free installment plans of up to 6 months. Learn More

Some qualifying products such as sprayers and equipment require a shipping quote. Shipping will also qualify for installments. Contact us at 1-800-461-1041 or email sales@mkrittenhouse.com. Quotes are provided within 1 hour during normal business hours eastern standard time.

Related Information

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