Notice of Guaranteed Delivery

As set forth in the Exchange Offer (as defined below), this Notice of Guaranteed Delivery (or a facsimile hereof) or one substantially equivalent hereto or the electronic form used by The Depository Trust Company (“DTC”) for this purpose must be used to accept the Exchange Offer if certificates for 9.500% Senior Secured Notes due 2017 (the “Old Notes”) of Thermon Industries, Inc., a Texas corporation (the “Company”), are not immediately available to the registered holder of such Old Notes, or if a participant in DTC is unable to complete the procedures for book-entry transfer on a timely basis of Old Notes to the account maintained by The Bank of New York Mellon Trust Company, N.A., as Exchange Agent (the “Exchange Agent”) at DTC, or if time will not permit all documents required by the Exchange Offer to reach the Exchange Agent prior to 12:00 midnight, New York City time, on , 2010, unless extended (the “Expiration Date”). This Notice of Guaranteed Delivery (or a facsimile hereof) or one substantially equivalent hereto may be delivered by certified or registered mail, by regular mail or overnight courier, by hand or, for eligible institutions only, by facsimile to the Exchange Agent. See “The Exchange Offer—Procedures for Tendering Old Notes.” Capitalized terms used herein and not defined herein have the meanings assigned to them in the Exchange Offer.

Delivery of this Notice of Guaranteed Delivery to an address other than as set forth above or transmission of this Notice of Guaranteed Delivery to a facsimile number other than the number listed above will not constitute a valid delivery.

This Notice of Guaranteed Delivery is not to be used to guarantee signatures. If a signature on a Letter of Transmittal is required to be guaranteed by an Eligible Institution (as defined therein) under the instructions thereto, such signature guarantee must appear in the applicable space provided in the signature box on the Letter of Transmittal.

The undersigned hereby tenders to Thermon Industries, Inc., a Texas corporation (“Thermon”), the aggregate principal amount of Old Notes indicated below pursuant to the guaranteed delivery procedures and upon the terms and subject to the conditions set forth in the accompanying Prospectus dated , 2010 (as the same may be amended or supplemented from time to time, the “Prospectus”) and in the related Letter of Transmittal (which together with the Prospectus constitute the “Exchange Offer”), receipt of which is hereby acknowledged.

The undersigned hereby represents, warrants and agrees that the undersigned has full power and authority to tender, exchange, sell, assign and transfer the tendered Old Notes and that Thermon will acquire good, marketable and unencumbered title thereto, free and clear of all liens, restrictions, charges and encumbrances when the tendered Old Notes are acquired by Thermon as contemplated herein, and the tendered Old Notes are not subject to any adverse claims or proxies. The undersigned represents, warrants and agrees that the undersigned and each beneficial owner will, upon request, execute and deliver any additional documents deemed by Thermon or the Exchange Agent to be necessary or desirable to complete the tender, exchange, sale, assignment and transfer of the tendered Old Notes, and that the undersigned will comply with its obligations under the Registration Rights Agreement, dated as of April 30, 2010, by and among Thermon, the subsidiary guarantors and the initial purchasers referred to therein.

By tendering Old Notes and executing this Notice of Guaranteed Delivery, the undersigned hereby represents and warrants that: (i) the undersigned is acquiring the New Notes in the ordinary course of the undersigned’s business; (ii) the undersigned is not participating in, does not intend to participate, and has no arrangement or understanding with any person to participate in a distribution of the New Notes; (iii) the undersigned neither has, nor is reasonably likely to have, the status of an unsold allotment in the initial offering; and (iv) the undersigned is not an “affiliate” (as defined in Rule 405 under the Securities Act) of Thermon. If the undersigned is a broker-dealer that will receive the New Notes for its own account in exchange for any Old Notes acquired by it as a result of market-making activities or other trading activities, the undersigned acknowledges that it will deliver a copy of the Prospectus in connection with any resale of the New Notes; however, by so acknowledging and by delivering such Prospectus, the undersigned will not be deemed to admit that it is an “underwriter” within the meaning of the Securities Act.

All questions as to the form of documents, validity, eligibility (including time of receipt) and acceptance for exchange of tendered Old Notes will be determined by Thermon (which power may be delegated to the Exchange Agent), whose determination shall be final and binding on all parties. Thermon reserves the absolute right, in its sole and absolute discretion, to reject any and all tenders determined by Thermon not to be in proper form or the acceptance of which, or exchange for, may, in the view of Thermon or its counsel, be unlawful.

All authority herein conferred or agreed to be conferred shall survive the death or incapacity of the undersigned and every obligation of the undersigned hereunder shall be binding upon the heirs, executors, administrators, trustees in bankruptcy, personal and legal representatives, successors and assigns of the undersigned.


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		Signature(s) of Owner(s) or Authorized Signatory

Must be signed by the registered holder(s) of the tendered Old Notes as their name(s) appear(s) on certificates for such tendered Old Notes, or on a security position listing, or by person(s) authorized to become registered holder(s) by endorsement and documents transmitted with this Notice of Guaranteed Delivery. If signature is by a trustee, executor, administrator, guardian, attorney-in-fact, officer or other person acting in a fiduciary or representative capacity, such person must set forth his or her full title below.

If Old Notes will be delivered by book-entry transfer to The Depository Trust Company, provide the following information:

The undersigned, a firm which is a member of the Securities Transfer Agents Medallion Program, the New York Stock Exchange Medallion Signature Program or the Stock Exchanges Medallion Program (each, an “Eligible Institution”), hereby guarantees delivery to the Exchange Agent, at its address set forth above, either certificates for the Old Notes tendered hereby, in proper form for transfer, or confirmation of the book-entry transfer of such Old Notes to the Exchange Agent’s account at The Depository Trust Company, pursuant to the procedures for book-entry transfer set forth in the Prospectus, in either case together with one or more properly completed and duly executed Letter(s) of Transmittal (or facsimile thereof or an Agent’s Message in lieu thereof) and any other documents required by the Letter of Transmittal, all within three (3) business days after the date of execution of this Notice of Guaranteed Delivery.

The undersigned acknowledges that it must deliver the Letter(s) of Transmittal and certificates for the Old Notes tendered hereby to the Exchange Agent within the time period shown herein and that failure to do so could result in a financial loss to the undersigned.

DO NOT SEND CERTIFICATES FOR OLD NOTES WITH THIS NOTICE OF GUARANTEED DELIVERY. ACTUAL SURRENDER OF OLD NOTES MUST BE MADE PURSUANT TO, AND BE ACCOMPANIED BY, A PROPERLY COMPLETED AND DULY EXECUTED LETTER OF TRANSMITTAL AND ANY OTHER REQUIRED DOCUMENTS.



Firm		Authorized Signature

	Name
Address		(Please Type or Print)

	Title
Zip Code
	Dated	, 2010