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Pump capacitor fitment

Davey Dynaprime Capacitor

The Davey Dynaprime is a single-phase self-priming pump commonly found in well & domestic pumps setups. Its motor runs on a 12µF 450V motor-run capacitor in a CBB60-style can: here's the exact replacement and how to confirm it.

Pump type
self-priming pump
Motor
single-phase
Run capacitor
12µF · 450V · CBB60
Tolerance
±5%
Application
Well & domestic pumps
Also sold as
Dynaprime 64101, Dynaprime 64102, 74101, Dynaprime 74101, Dynaprime
Fitment source
Manufacturer-documented
Manufacturer-documented12µF · 450V

The Davey Dynaprime self-priming pump uses a 12µF 450V motor-run capacitor (CBB60-style): it's the part that helps the single-phase motor start and keep running smoothly. We source this value from manufacturer / supplier documentation. Match the replacement to 12µF (about 10.8-13.2µF) at 450V or higher; the checklist below covers how to confirm it against your own capacitor.

How to be sure you get the right one

  • µF must match: the Dynaprime needs 12µF (about 10.8-13.2µF), within ±5% of the label. Too low and the motor won't start; too high and it runs hot.
  • Voltage can go up, never down: a 450V (or higher) cap is correct here; a 450V part safely replaces a 370V or 440V one. Don't fit below 450V.
  • Check the terminal + size: make sure the new cap physically fits the housing and the connections match (or use a spade adapter).
  • When in doubt, read your old cap: the printed µF and voltage on the part you're replacing is the final word.

Service parts for the Davey Dynaprime

The seal, capacitor and bearings for this pump, on their own or as a kit. Check the old part before fitting.

Common questions - Davey Dynaprime capacitor

What capacitor does the Davey Dynaprime use?

A 12µF 450V motor-run capacitor (CBB60-style). Always confirm against the rating printed on your existing capacitor before ordering.

Can I fit a higher-voltage capacitor in the Davey Dynaprime?

Yes, voltage can be equal or higher, never lower. A capacitor rated 450V or above is fine (450V is the usual choice), as long as the µF still matches (12µF).

Other Davey pump capacitors

Replacing the capacitor on a different Davey? These models have a confirmed or documented fitment too:

Browsing rather than replacing? All well & domestic pumps capacitors · Pump capacitor guide

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