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What does Grainger carry that meets this need?</div><div class="BVQAAdditionalFieldsContainer BVQAQuestionAdditionalFieldsContainer"><div class="BVQAAdditionalFieldValueContainer"><span class="BVQALabel BVQAAdditionalFieldPrefix BVQAAdditionalFieldFieldOfIndustryProfessionPrefix">Field of Industry:: </span><span class="BVQAValue BVQAAdditionalField BVQAAdditionalFieldFieldOfIndustryProfession">HVAC</span><span class="BVQALabel BVQAAdditionalFieldSuffix BVQAAdditionalFieldFieldOfIndustryProfessionSuffix"></span></div><div class="BVQAAdditionalFieldValueContainer"><span class="BVQALabel BVQAAdditionalFieldPrefix BVQAAdditionalFieldProductUsedForPrefix">Product used for:: </span><span class="BVQAValue BVQAAdditionalField BVQAAdditionalFieldProductUsedFor">home</span><span class="BVQALabel BVQAAdditionalFieldSuffix BVQAAdditionalFieldProductUsedForSuffix"></span></div><div class="BVQAAdditionalFieldValueContainer"><span class="BVQALabel BVQAAdditionalFieldPrefix BVQAAdditionalFieldYearsPurchasingFromGraingerPrefix">Years purchasing from Grainger:: </span><span class="BVQAValue BVQAAdditionalField BVQAAdditionalFieldYearsPurchasingFromGrainger">12</span><span class="BVQALabel BVQAAdditionalFieldSuffix BVQAAdditionalFieldYearsPurchasingFromGraingerSuffix"></span></div></div><div class="BVQAContentData BVQAQuestionData"> <div class="BVQAElapsedTime">9 months ago</div><div class="BVQASignature"><div class="BVQAWrittenBy">by </div><div class="BVQANickname"><a title="Read all my Q&A" data-bvtrack="eName:ProfileLink" onmouseout=" bvProfileSnapshot.hideOpenPopinAfterDelay(1000 ,250 ); 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data-bvcsref="http://answers.grainger.com/answers/5049-en_us/product/6ELA8/subscribeanswers.htm?format=embeddedrpc&contentid=45261&answers=true&user=__USERID__&authsourcetype=__AUTHTYPE__" data-bvtrack="eventTarget:Product,eName:ProductFollow" data-bvcsappcode="qa" name="BV_TrackingTag_Question_Display_SubcribeContent" class="BVDILink BVDI_CSSubmitLink" data-bvcssubjectid="6ELA8" href="javascript://" data-bvcssubjecttype="product"><span class="BVDILinkSpan">I have this question too</span></a></div></div> <div class="BVQAQuestionAnswerDivider"><h2 class="BVQAQuestionAnswerDividerHeading">Answers </h2></div><div id="BVQAQuestion45261Answers" class="BVQAAnswers"><div id="BVQAAnswer46292" class="BVQAContent BVQAAnswer BVDI_BAContentTechSupport"><div class="BVDI_BA BVDI_BAAnswer"><div class="BVDIInside BVDI_BAInside"><div class="BVDIBody BVDI_BABody"><ul class="BVDI_BAList"><li class="BVDI_BAItem BVDI_BAItemOdd BVDI_BAItemTechSupport"><a onclick="return false;" class="BVDILink 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The furnace may not have to be changed. We will need more information to help match all the components properly including physical dimensions of the existing unit.. You may want to call our HVAC tech team to discuss the details 800-472-4643.<br /><br />Thank you for using Grainger Ask and Answer.</div><div class="BVQAContentData BVAnswerData"> <div class="BVQAElapsedTime">8 months ago</div><div class="BVQASignature"><div class="BVQAWrittenBy">by </div><div class="BVQANickname"><a title="Read all my Q&A" data-bvtrack="eName:ProfileLink" onmouseout=" bvProfileSnapshot.hideOpenPopinAfterDelay(1000 ,250 ); " name="BV_TrackingTag_Answer_Display_ReadAllQA_jmurillo" class="BVQANickname" onclick="var popupWin = window.open(this.href, null, 'resizable=1,status=1,scrollbars=1,width=800,height=600,top=0'); popupWin.focus(); event.preventDefault?event.preventDefault():event.returnValue = false;" href="http://ugc.grainger.com/profiles/5049-en_us/JasonM/profile.htm" onmouseover=" bvProfileSnapshot.showHiddenPopinAfterDelay('BVDI_PSPopin_eagh9nwuyd9h08kygkmsxic7j_ID', 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