Grundfos CR vs CRI vs CRN: Which Material Do You Need?
The short answer: choose a CR for clean, non-aggressive water, a CRI when everything the liquid touches must be 304 stainless steel, and a CRN when the liquid is aggressive,...
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Tsurumi NK4-22 Sump Pump is backordered and will ship as soon as it is back in stock.
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Call (844) 378-6771 To confirm your item will fit your system.
This high-head and heavy-duty Tsurumi NK4-22 (prior model# NK2-22 & NK3-22) is a contractors pump, ideal for high-volume single-phase dewatering use. It utilizes a continuous duty air-filled motor and Synthetic Rubber Wear Parts for consistent peak performance and durability.
Because of our vast inventory, 99% of all orders placed before 3:30PM EST (on weekdays, holidays do not apply), on our website or over the phone will be shipped the same day. We ship all of our products via UPS and as always, all orders over $ 250 will ship free of charge.Free Shipping does NOT apply to Hawaii or Alaska. Free Shipping on LTL orders (items over 100lbs) , does not include liftgate service, lift gate service would be billed to customer from shipping company.
- Discharge Bore: 3 inches - HP: 3 - Weight: 64 lbs - 1/220V - Cable Length: 50 ft - Height: 24 1⁄2 inches - Diameter: 9 7⁄16 inches - L.W.L: 3 1⁄2 inches Features: - Semi-vortex, Ductile Iron impeller with ethylene propylene casing, increases wear resistance when pumpage contains abrasive particles - High head pump for maximum discharge distances - Double Inside Mechanical Seal with SIC faces provides the longest operational life - Oil Lifter provides lubrication of the seal faces. (Patent Pending) - V-Ring Seal Protector protects mechanical seal from abrasive particles - Available in 1/220V All Tsurumi Pumps come standard with a 2 year warranty from date of purchase.
The short answer: choose a CR for clean, non-aggressive water, a CRI when everything the liquid touches must be 304 stainless steel, and a CRN when the liquid is aggressive,...
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Most Grundfos CR problems trace back to four things: no power reaching the motor, air in the pump, the wrong direction of rotation, or not enough pressure at the inlet....
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Ask ten suppliers whether you need a sprinkler pump or an irrigation booster pump and you will get ten answers, because the words on the box do not describe the...
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