QuickLinks -- Click here to rapidly navigate through this document

Registration No. 333-30016



SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549


POST-EFFECTIVE AMENDMENT NO. 2
TO
FORM S-8

REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933


WATER PIK TECHNOLOGIES, INC.
(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of
incorporation or organization)
  25-1843384
(I.R.S. Employer
Identification No.)

       
23 Corporate Plaza, Suite 246
Newport Beach, California 92660
(Address of principal executive offices, including zip code)

WATER PIK TECHNOLOGIES, INC.
DEFERRED COMPENSATION PLAN
(Full title of the plan)

Richard D. Tipton
Vice President, General Counsel & Secretary
Water Pik Technologies, Inc.
23 Corporate Plaza, Suite 246
Newport Beach, California 92660
(Name and address of agent for service)

(949) 719-3700
(Telephone number, including area code, of agent for service)





EXPLANATORY NOTE

        This Post-Effective Amendment No. 2 to the Registration Statement on Form S-8 (File No. 333-30016) is filed in accordance with Rule 462(d) under the Securities Act of 1933, as amended, to add an exhibit to the Post-Effective Amendment No. 1 to the Registration Statement on Form S-8 which was filed with the Securities and Exchange Commission ("SEC") on July 18, 2001, which amended the Registration Statement on Form S-8 (File No. 333-30016) which was filed with the SEC on February 10, 2000.


PART II

INFORMATION REQUIRED IN THE REGISTRATION STATEMENT


ITEM 8.    EXHIBITS

        The following exhibit is filed herewith:

Exhibit No.
  Description

     
23.1   Consent of Ernst & Young LLP, Independent Auditors

2



SIGNATURES

        Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment No. 2 to the Registration Statement on Form S-8 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Newport Beach, State of California, on this 18th day of March, 2002.

    WATER PIK TECHNOLOGIES, INC.

 

 

By:

 

/s/  
MICHAEL P. HOOPIS      
Michael P. Hoopis
President and Chief Executive Officer

        Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment No. 2 to the Registration Statement on Form S-8 has been signed by the following persons in the capacities and on the date(s) indicated:

Signature
  Capacity
  Date

 

 

 

 

 
/s/  MICHAEL P. HOOPIS      
Michael P. Hoopis
  President and Chief Executive Officer (Principal Executive Officer) and Director   March 18, 2002

/s/  
VICTOR C. STREUFERT      
Victor C. Streufert

 

Vice President—Finance and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)

 

March 18, 2002

/s/  
ROBERT P. BOZZONE      
Robert P. Bozzone

 

Director

 

March 18, 2002

/s/  
F. PETER CUNEO      
F. Peter Cuneo

 

Director

 

March 18, 2002

/s/  
W. CRAIG MCCLELLAND      
W. Craig McClelland

 

Director

 

March 18, 2002

/s/  
WILLIAM G. OUCHI      
William G. Ouchi

 

Director

 

March 18, 2002

/s/  
CHARLES J. QUEENAN, JR.      
Charles J. Queenan, Jr.

 

Director

 

March 18, 2002

/s/  
JAMES E. ROHR      
James E. Rohr

 

Director

 

March 18, 2002

        Pursuant to the requirements of the Securities Act of 1933, Water Pik Technologies, Inc. has duly caused this Post-Effective Amendment No. 2 to the Registration Statement on Form S-8 to be signed on its behalf as the administrator of the Water Pik Technologies, Inc. Deferred Compensation Plan by the undersigned, thereunto duly authorized, in the City of Newport Beach, State of California, on March 18, 2002.

    WATER PIK TECHNOLOGIES, INC.—ADMINISTRATOR

 

 

By:

 

/s/  
VICTOR C. STREUFERT      
Victor C. Streufert
Vice President—Finance & Chief Financial Officer

3



Index to Exhibits

Exhibit No.
  Description

     
23.1   Consent of Ernst & Young LLP, Independent Auditors



QuickLinks

EXPLANATORY NOTE
PART II INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
ITEM 8. EXHIBITS
SIGNATURES
Index to Exhibits