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CR Marine

Automatic Drain Plug Kit / Flapper Valve

Automatic Drain Plug CR Marine's rubber molded "automatic drain plug" has kept Tempo's proven design, but improved the material. It is uniquely engineered to provide efficient drainage of a boat's hull. This four-part rubber product's defining feature is its unique duck bill flapper valve, which automatically drains water when the boat is underway. When inserted in a transom drain hole, this custom molded rubber plug will provide a water-tight seal as the boat slows or stops. The CR Marine automatic drain plug can be used with ease; It is removable, has no screws and is easy to check and clean.

Fits all standard 1" diameter drains on transoms up to 2-1/4" thick.

Automatic Drain Plug Kit

Weight: 0.22
CR Marine Product #: 999PDPCR
Tempo Product #: 370030
Tempo Model #: 999PDP
Price: $23.29

Flapper Valve Weight: 0.11
CR Marine Product #:105567CR
Tempo Product #:370050
Tempo Model #:993DPF
Price: $16.98
Assembled Automatic Drain Plug Assembled Automatic Drain Plug
  Automatic Drain Plug Instructions Automatic Drain Plug Instructions (1.3MB PDF)
Online Ordering Online Ordering

For European Flapper Valve (105567CR) inquiries, please contact David Moore, mooreformula@wanadoo.fr.

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Custom Rubber Corp. 1274 E. 55th Street, Cleveland, OH 44103-1029© Custom Rubber Corp. All rights reserved.
Phone: 216-391-2928   Fax: 216-391-4761   sales@customrubbercorp.com