SECOND AMENDMENT TO THE RESTRUCTURING AND LOCK UP AGREEMENT

Exhibit 10.3

SECOND AMENDMENT TO THE

RESTRUCTURING AND LOCK UP AGREEMENT

WHEREAS, the Parties entered into that certain Restructuring and Lock Up Agreement, dated as of September 3, 2009 and amended on September 14, 2009 (the “Agreement”) for the purpose of mutually agreeing to the terms of a pre-packaged bankruptcy filing of the Nortek Parties;

WHEREAS, the Agreement provides that (a) no later than October 20, 2009, the Nortek Parties shall file voluntary petitions for relief under chapter 11 of the Bankruptcy Code, (b) the Agreement may be terminated by a specified vote of the Consenting Debtholders on October 20, 2009, unless the Nortek Parties have commenced chapter 11 cases and (c) the Forbearance Period shall terminate on the earlier of (i) the Commencement Date, (ii) the date of an occurrence of a Forbearance Default or (iii) October 20, 2009;

WHEREAS, in entering into the Agreement, it was the intention of the Parties thereto that the Nortek Parties would commence their chapter 11 cases no later than October 20, 2009;

WHEREAS, the Agreement provides that once effective, it may be amended in accordance with Section 8 of the Agreement; and

WHEREAS, the Nortek Parties and the Consenting Debtholders constituting the Requisite Debtholder Consent have agreed to enter into this amendment of the Agreement (this “Second Amendment”) to amend the Agreement, effective as of October 19, 2009, to extend the date by which the Nortek Parties shall be required to commence the chapter 11 cases.

NOW, THEREFORE, in consideration of the foregoing, the mutual agreements and covenants contained herein, and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows:

1.           In Section 2.01 of the Agreement, “October 20, 2009” shall be deleted, and “11:59 PM, prevailing Eastern time, on October 27, 2009” shall be inserted in lieu thereof.

2.           In Section 3.03(a)(iii) of the Agreement, “October 20, 2009” shall be deleted, and “11:59 PM, prevailing Eastern time, on October 27, 2009” shall be inserted in lieu thereof.

3.           In Section 7.01(g) of the Agreement, “October 20, 2009” shall be deleted, and “11:59 PM, prevailing Eastern time, on October 27, 2009” shall be inserted in lieu thereof.

4.           The Parties also clarify and confirm their agreement that Section 11.6 of the Prepackaged Plan is intended to provide that each Person who is entitled to receive a distribution under the Prepackaged Plan shall release all “Released Parties” (as defined in the Prepackaged Plan) in respect of any and all applicable Claims, demands, causes of action and the like that such Person may have (including, without limitation, any NTK 10-3/4% Notes Claims or NTK Holdings Senior Secured Loan Claims (each as defined in the Prepackaged Plan) such Person may hold), without regard to whether or not the Prepackaged Plan is confirmed with respect to NTK Holdings and/or Nortek Holdings.

5.           This Second Amendment may be executed in one or more counterparts, each of which, when so executed, shall constitute an original and all of which shall constitute one instrument.  The counterparts may be delivered by facsimile transmission or by electronic mail in portable document format (.pdf).

6.           This Second Amendment shall be effective as of October 19, 2009, upon the execution of the Nortek Parties and the Consenting Debtholders constituting the Requisite Debtholder Consent, and shall only be amended in accordance with Section 8 of the Agreement.

7.           Except as specifically amended or consented to herein, there are no other amendments, modifications, or other alterations to the Agreement.

8.           Capitalized terms not defined herein shall have the meanings given to them in the Agreement, and in the event of any inconsistency between the two, the Agreement shall control.

IN WITNESS WHEREOF, the Parties have executed this Second Amendment on the day and year first above written.

NTK HOLDINGS, INC.

By:  /s/Xxxxx X. Xxxxxxxx

Name:  Xxxxx X. Xxxxxxxx

Title:    Vice President, General Counsel

NORTEK HOLDINGS, INC.

By:  /s/Xxxxx X. Xxxxxxxx

Name:  Xxxxx X. Xxxxxxxx

Title:    Vice President, General Counsel

NORTEK, INC.

By:  /s/Xxxxx X. Xxxxxxxx

Name:  Xxxxx X. Xxxxxxxx

Title:    Vice President, General Counsel

AIGIS MECHTRONICS, INC.

BROAN-MEXICO HOLDINGS, INC.

BROAN-NUTONE LLC

BROAN-NUTONE STORAGE SOLUTIONS LP

CES GROUP, INC.

CES INTERNATIONAL LTD.

CLEANPAK INTERNATIONAL, INC.

ELAN HOME SYSTEMS, L.L.C.

GEFEN, INC.

GOVERNAIR CORPORATION

GTO, INC.

HC INSTALLATIONS, INC.

HUNTAIR, INC.

INTERNATIONAL ELECTRONICS, INC.

LINEAR H.K. LLC

LINEAR LLC

LITE TOUCH, INC.

MAGENTA RESEARCH LTD.

MAMMOTH-WEBCO, INC.

NILES AUDIO CORPORATION

NORDYNE INC.

NORDYNE INTERNATIONAL, INC.

NORTEK INTERNATIONAL, INC.

NUTONE LLC

OMNIMOUNT SYSTEMS, INC.

OPERATOR SPECIALTY COMPANY, INC.

PACIFIC ZEPHYR RANGE HOOD, INC.

PANAMAX INC.

RANGAIRE GP, INC.

RANGAIRE LP, INC.

SECURE WIRELESS, INC.

SPEAKERCRAFT, INC.

TEMTROL, INC.

WDS LLC

XANTECH CORPORATION

ZEPHYR CORPORATION

By:        /s/ Xxxxx X. Xxxxxxxx

Name:  Xxxxx X. Xxxxxxxx

Title:     Vice President and Secretary

(of entity listed or as an officer of the managing member, sole member or general partner)

Capital Research and Management Company, for and on behalf of various funds it manages

By:  /s/ Xxxxxxx X. Xxxxxx

Name:  Xxxxxxx X. Xxxxxx

Title:   Senior Vice President

Address:   000 Xxxxx Xxxx Xxxxxx, 00xx Xxxxx

     Xxx Xxxxxxx, XX 00000

Attn:            Xxxxxxxx Xxxxxxxxx

Tel:             (000) 000-0000

Fax:            (000) 000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes  ____________________

[CONSENTING DEBTHOLDER]

By:  ACOF Operating Manager III, LLC, its manager

Name:  Xxxxxxx Xxxxxxxx

Title:     Vice President

Address:

Attn:

Tel:

Fax:

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

IN WITNESS WHEREOF, the Parties have executed this Agreement on the day and year first written above.

XXXXXXX XXXXX ASSET

MANAGEMENT, L.P.,  on behalf of its

Advised clients listed on the Schedule

attached hereto

By:  /s/ Xxxxxxx Xxxx

Name:  Xxxxxxx Xxxx

Title:     Managing Director

Address:   00 Xxx Xxxx

00xx Xxxxx

Xxx Xxxx, XX 00000

Attn:       Xxxxxxx Xxxx

Tel:        212-902-1000

E-mail:   Xxxxxxx.xxxx@xx.xxx

with a copy to:

Xxx Xxxxx

0 Xxx Xxxx Xxxxx

Xxx Xxxx, XX 00000

Tel:        000-000-0000

Fax:       000-000-0000

E-mail    xxx.xxxxx@xx.xxx

Schedule to Xxxxxxx Sachs Asset Management, L.P. signature page

Advised Client	Aggregate Principal Amount of 8-1/2% Notes	Aggregate Principal Amount of 102% Notes	Aggregate Principal Amount of 10-3/4% Notes
Alaska Permanent Fund Corporation
Universal-Investment-GmbH re/Bayvk R2
California State Teachers' Retirement Systems
Xxxxxxx Xxxxx Collective Trust High Yield Implementation Vehicle
Daughters of Charity Fund P
Investeringsforeningen Laegernes Pensioninvesterings
Xxxxxxx Sachs High Yield Fund
Xxxxxxx Xxxxx Global High Yield Portfolio II
Lyondell Master Trust
Helaba Invest Kapitalanlagegesellschaft re/OSD
Blackrock Investment Management (UK) Limited
Cominvest Asset Management S.A.
Factory Mutual Insurance Company
State Street Bank & Trust Company, as trustee for First Plaza Group Trust II
Xxxxxxx Sachs Global High Yield Bond Sub-Trust
JPMorgan Chase 401(k) Savings Plan
Xxxx County Employees' Retirement Association (KCERA)
Xxxxxxx Sachs Liquidity Partners 2007, X.X.
Xxxxxxx Xxxxx Liquidity Partners 2007 Offshore, L.P.
Mediolanum Asset Management Ltd.
MeadWestvaco Corporation Master Retirement Trust
Xxxxxxx Sachs Global Opportunities Fund, LLC
Xxxxxxx Xxxxx Global Opportunities Fund Offshore, Ltd.
The Regents of the University of California Pioneer Austria Re. ORF
GuideStone Funds: Medium Duration Bond Fund
Xxxxxxx Sachs Collective Trust Core Plus Fixed Income Fund
Ford Motor Company Master Trust Fund
Universal Investment GmbH re/ Hewlett Packard Trust e.V.
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO
Internationale Kapitalanlagegesellschaft GmbH re/TGV PB24
Orizaha, LP

Fidelity Management &

Research Company

on behalf of

Fidelity Central Investment Portfolios LLC: Fidelity High Income Central Fund 2

By:  /s/ J. Xxxxxxx Xxxx

Name:  J. Xxxxxxx Xxxx

Title:    Assistant Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Management &

Research Company

on behalf of

Variable Insurance Products Fund V: Strategic Income Portfolio

By:  /s/ J. Xxxxxxx Xxxx

Name:  J. Xxxxxxx Xxxx

Title:   Assistant Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Management &

Research Company

on behalf of

Fidelity School Street Trust: Fidelity Strategic Income Fund

By:  /s/ J. Xxxxxxx Xxxx

Name:  J. Xxxxxxx Xxxx

Title:   Assistant Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Management &

Research Company

on behalf of

Fidelity Advisor Series II:  Fidelity Advisor Strategic Income Fund

By:  /s/ J. Xxxxxxx Xxxx

Name:  J. Xxxxxxx Xxxx

Title:   Assistant Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X 

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Management &

Research Company

on behalf of

Fidelity Summer Street Trust: Fidelity Capital & Income Fund

By:  /s/ J. Xxxxxxx Xxxx

Name:  J. Xxxxxxx Xxxx

Title:   Assistant Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Management &

Research Company

on behalf of

Fidelity Summer Street Trust: Fidelity High Income Fund

By:  /s/ J. Xxxxxxx Xxxx

Name:  J. Xxxxxxx Xxxx

Title:   Assistant Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Management &

Research Company

on behalf of

Fidelity Puritan Trust: Fidelity Puritan Fund

By:  /s/ J. Xxxxxxx Xxxx

Name:  J. Xxxxxxx Xxxx

Title:   Assistant Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Management &

Research Company

on behalf of

Master Trust Bank of Japan Ltd. Re: Fidelity US High Yield

By:  /s/ J. Xxxxxxx Xxxx

Name:  J. Xxxxxxx Xxxx

Title:   Assistant Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Management &

Research Company

on behalf of

Fidelity Funds – US High Income

By:  /s/ J. Xxxxxxx Xxxx

Name:  J. Xxxxxxx Xxxx

Title:   Assistant Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

The Assets Management Committee of Coca-Cola Company Master Retirement Trust

By:  /s/ Xxxx Xxxxxxxx

Name:  Xxxx Xxxxxxxx

Title:   Vice President

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Pyramis High Yield Fund, LLC

By:  /s/ Xxxx Xxxxxxxx

Name:  Xxxx Xxxxxxxx

Title:   Vice President

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Illinois Municipal Retirement Fund

By:  /s/ Xxxx Xxxxxxxx

Name:  Xxxx Xxxxxxxx

Title:   Vice President

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

The Japan Trustee Service Bank LTD Re: MATB Fidelity High Yield Bond Open Mother

By:  /s/ Xxxx Xxxxxxxx

Name:  Xxxx Xxxxxxxx

Title:   Vice President

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Global Bond Series-US Dollar Monthly Income-US High Yield Pool

By:  /s/ Xxxx Xxxxxxxx

Name:  Xxxx Xxxxxxxx

Title:   Vice President

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

IG CAA High Yield Sec

By:  /s/ Xxxx Xxxxxxxx

Name:  Xxxx Xxxxxxxx

Title:   Vice President

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

The Japan Trustee Services Bank LTD Re: STB Fidelity Strategic Income Fund Mother

By:  /s/ Xxxx Xxxxxxxx

Name:  Xxxx Xxxxxxxx

Title:   Vice President

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Investments Canada ULC, As Trustee of The Fidelity Balanced High Income Fund

By:  /s/ Xxxxx Xxxxx

Name:  Xxxxx Xxxxx

Title:   VP & Fund Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Investments Canada ULC, As Trustee of The Fidelity American High Yield Fund

By:  /s/ Xxxxx Xxxxx

Name:  Xxxxx Xxxxx

Title:   VP & Fund Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Fidelity Investments Canada ULC, As Trustee of The Fidelity Canadian Asset Allocation Fund

By:  /s/ Xxxxx Xxxxx

Name:  Xxxxx Xxxxx

Title:   VP & Fund Treasurer

Address:   Fidelity Investments

    00 Xxxxxxxxxx Xxxxxx, X00X

    Xxxxxx, XX 00000

Attn:           Xxxx Xxx Xxxxx

Tel:            000-000-0000

Fax:           000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________

Franklin Advisers, Inc.

By:  /s/ Xxxxxx X. Xxxxx

Name:  Xxxxxx X. Xxxxx

Title:     Senior Vice President

Franklin Xxxxxxxxx Investments

Xxx Xxxxxxxx Xxxxxxx

Xxx Xxxxx, XX 00000

Attn:              Xxxxxxxxx X. Xxxxxxxx

Tel:                000-000-0000

Fax:               000-000-0000

Aggregate principal amount of Notes beneficially owned or managed on behalf of accounts that hold or beneficially own such Notes:

8-1/2% Notes: _________________

10% Notes:  ____________________

10-3/4% Notes: ________________