Pentair 070227 bronze closed face medium head impeller for 7.5 HP C Series commercial pumpsPentair C Series Pump Impeller, 1PH or 3PH Medium Head, 7.5HP, 070227 In stock$1,30899
Pentair 070227 bronze closed face medium head impeller for 7.5 HP C Series commercial pumps

Pentair C Series Pump Impeller, 1PH or 3PH Medium Head, 7.5HP, 070227

Ask a questionMPN 070227
$1,30899
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Quick overview

  • Fits three C Series pumps The 7-1/2 HP single phase CM-75 and the three phase CMK-75 and CMKL-75 commercial bronze pumps.
  • Medium head This is the CMK medium head impeller, not the high or low head version.
  • Solid bronze Cast bronze, closed face, eight vanes.
  • Measured for matching 5-1/8 in. outside diameter, 2-3/4 in. front to back, with a 1-5/8 in. by 3/8 in. extension on the front.
  • Pentair and Purex The C Series was sold under both names; the impeller is the same 070227.
  • The part that moves the water The impeller transfers the motor's energy to the water, so a worn one costs flow long before the pump fails.
Full description and specifications ↓

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Product details

The Pentair 070227 is the 7-1/2 HP medium head impeller for the C Series commercial pumps sold under both the Pentair and Purex names. It fits the single phase CM-75 and the three phase CMK-75 and CMKL-75 bronze pumps.

Construction

Cast bronze, closed face, with eight vanes. This is the CMK medium head configuration; C Series pumps were built in more than one head, so confirm yours before ordering.

Dimensions for matching

Outside diameter across the vanes is 5-1/8 in. Thickness at the outside edge is 1-1/16 in. measured inside and 1-3/8 in. measured outside. Front to back is 2-3/4 in., not counting the 1-5/8 in. diameter by 3/8 in. long extension on the front face. The vaneless section measures 4-17/32 in. outside and 4-5/32 in. inside.

The impeller is what carries the motor's energy into the water. A worn or damaged one shows up as falling flow and rising motor load well before anything else on the pump complains, so on a commercial pump it pays to replace it as soon as the vanes show wear.

Specifications
Brand Pentair
Manufacturer part number 070227
UPC 788379664244
Type C Series medium head impeller (CMK)
Horsepower 7-1/2 HP
Phase 1 phase or 3 phase
Material Bronze
Face Closed
Number of vanes 8
Outside diameter 5-1/8"
Thickness at outside edge, inside 1-1/16"
Thickness at outside edge, outside 1-3/8"
Front to back 2-3/4", not including the front extension
Front extension 1-5/8" diameter x 3/8" long
Vaneless section outside diameter 4-17/32"
Vaneless section inside diameter 4-5/32"
Fits Pentair C Series CM-75 (1 phase), CMK-75 and CMKL-75 (3 phase) commercial bronze pumps
Shipping weight 4.9 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which pumps take the 070227 impeller?
The 7-1/2 HP Pentair and Purex C Series commercial bronze pumps: the single phase CM-75 and the three phase CMK-75 and CMKL-75.
Is this the medium head impeller?
Yes. It is the CMK medium head impeller. C Series pumps were built in different head configurations, so check that yours is a medium head model before ordering.
What is it made of?
Bronze, closed face, with eight vanes.
How can I check it against my old impeller?
Measure the old one. This impeller is 5-1/8 in. across the vanes, 2-3/4 in. front to back excluding the extension, with a 1-5/8 in. diameter by 3/8 in. long extension on the front. The section without vanes is 4-17/32 in. outside and 4-5/32 in. inside.
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