This web site should not be relied upon for commercial use or interpretations. For commercial applications such as schools, medical facilities, and office buildings. You may also contact the customer care team viaLive Chat, calling us at1.800.355.5354, or [email protected] assistance. If you have further questions, please contact the customer care team at1.800.355.5354, or email us [email protected]. How can I track the shipment of my online Greenheck order? Orders placed on weekends or holidays will be processed the next business day. Any of the trademarks, service marks, collective marks, design rights or similar rights that are mentioned, used or cited in the articles of the Building Intelligence Center (www.buildingcenter.org) are the property of their respective owners. Self-contained laboratory exhaust systems. Phone: (855) 770-5678 Please allow up to one business day to approve and apply your tax exempt status to your account. The data tag location varies by product style. Quickly access - replacement parts lists, exploded view diagrams, unit performance, instruction manuals, catalogs and more for all equipment saved to your account. Same day shipping on thousands of in-stock items, Enter your email and zip code to sign up for our newsletter. Please note item lead-times when placing your order. Standard Ground Freight. All rights reserved. Greenheck is committed to providing needed ventilation solutions for our health care facilities and every industry to protect the lives of our citizens. Architectural louvers, combination louver dampers, and more. 0 hbbd``b`y$CA? This will contain your orders shipment status, carrier and tracking #. What are you doing in response to COVID-19? Serial Number. Furnace Model Number Greenheck offers two models of duct heaters. WebGreenheck XUEF-16 EXHAUST FAN List Price: $ 4,483.76 Mfr Part #: XUEF-16 PT #: GREEXUEF-16 Quantity Available: 0 Out of Stock, backorders usually ship in 7-9 days. 2) Prior to placing your order, email [email protected] with a PDF of your tax exempt certificate using the email address the account was created under. Serial Number. Do you want to dismiss the price change message for all other items as well? WebGreenheck is the leading supplier of air movement and control equipment that includes fans, dampers, louvers, kitchen ventilation hoods, and energy recovery and make-up air units. Build out categories, folders and sub-folders to organize your equipment by customer type, job, location or any other identifying feature. Unless otherwise stated Building Intelligence Center (www.buildingcenter.org) sites are neither endorsed by nor affiliated with any of the holders of any such rights and as such Building Intelligence Center (www.buildingcenter.org) cannot grant any rights to use any otherwise protected materials. Orders placed on weekends or holidays will be processed the next business day. 2023 Greenheck Fan Corporation. Do you want to dismiss the price change message for all other items as well? WebShop Greenheck Parts. Greenheck offers 23,000 + replacement parts to keep you up and running. 715-359-6171 Table of Contents Previous Page Next Page 1 2 3 4 5 Advertisement Related Manuals for Greenheck ERV-251 Fan Greenheck ERV-251ERV-361 Installation, Operation And Maintenance Manual Energy recovery ventilators (36 pages) Fan Greenheck ERV Manual What is your standard warranty policy on original equipment? Description: Eleven (11) character Serial number begins with one letter digit followed by ten numerical digits. Year of For models SP and CSP the serial number will be located BOX 410 SCHOFIELD, WISCONSIN 54476-0410, Roof curb and duct adapter assembly (2 pages), Energy recovery laboratory exhaust (12 pages), Energy recovery ventilator with heating and cooling (56 pages), Sidewall propeller fans belt and direct drive (40 pages), Upblast centrifugal roof exhaust fans (13 pages), Mixed flow fans belt and direct drive (53 pages), Sidewall propeller fans, belt drive and direct drive, exhaust, supply, filtered supply and reversible (9 pages), Modular heating & ventilating unit (8 pages), Centrifugal inline fans direct and belt drive (49 pages), Rv/rve series packaged rooftop ventilator (28 pages), Manual will be automatically added to "My Manuals", Installation, operation and maintenance manual, Fan Greenheck ERV-251ERV-361 Installation, Operation And Maintenance Manual, Fan Greenheck ERVe-20 Assembly And Installation Instructions, Fan Greenheck ERVe Series Installation, Operation And Maintenance Manual, Fan Greenheck ERV Series Installation, Operation And Maintenance Manual, Fan Greenheck ERS-MD Installation, Operation And Maintenance Manual, Fan Greenheck ERCH Installation, Operation And Maintenance Manual, Fan Greenheck G Series Installation, Operation And Maintenance Manual, Fan Greenheck USFD-100 Installation, Operation And Maintenance Manual, Fan Greenheck CUE Series Installation, Operation And Maintenance Manual, Fan Greenheck AER Installation, Operation And Maintenance Manual, Fan Greenheck RV Installation, Operation And Maintenance Manual, Page 8: Dimensional Data - 251, 361, 521, 581, Page 18: Energy Recovery Wheel Maintenance. Future orders will be tax exempt through the validity date on your exemption certificate. Make up air units for industrial and for commercial kitchen applications. With your serial number we can Need parts information about your product? We will expedite orders designated for health care facilities and businesses that directly support the health care industry, to ensure orders ship on time, You can help us rush your order by indicating on the order or shipping instructions that the order is. Style 1: S 012103 0140. Greenheck's new serial number search provides detailed product information. WebModel BSQ-240 | Square Inline Fan | Greenheck Shop Centrifugal Inline Fan, Model BSQ-240 Model BSQ is a belt drive square centrifugal inline fan designed for intake, exhaust, return or make-up air applications where space is a major issue. Greenheck's My Equipment tool provides access to over 9 million serialized units dating back to 1997. Greenheck is using every resource available including Greenheck Shop, to ensure health care facilities receive critical products quickly. Same day shipping on thousands of in-stock items, Enter your email and zip code to sign up for our newsletter. Greenheck offers 23,000 + replacement parts to keep you up and running. The best way to identify replacement parts for your Greenheck product is through our serial number search tool. With your serial number we can provide the exact bill of material and replacement parts that are guaranteed to fit your application. In-stock items will ship on the date that the order was placed if the order was entered by 7:00 PM CST. you can create a new folder as you go. Ground shipping within the continental US is Free. 2023 Greenheck Fan Corporation. WebSerial Number or Model Number Look-up Enter the product serial number OR model number to access specific information about the product Serial Number: Model Number: (Ex: Shipping cutoff times apply to in-stock items. Answers to your most frequently asked questions. Note: If you proceed with a guest checkout, you will be charged tax. Expedited freight service is available at time of checkout or upon request for an additional charge. Webburner control turndown and the serial number. !6Hp$l@Vg`bd( Units feature a galvanized steel housing and aluminum backward-inclined wheel. WebIn most cases, the Greenheck serial number is located on the metal name plate that is riveted to the outside of the unit. Includes both direct and belt driven fans. If your Trane serial number is a 9-digit combination of letters and numbers that starts with a number, then the first number is the year. This company again made changes in year 2010. The first two digits of trane serial number lookup age are the year. There are lots of serial number styles that have been used by this company. All rights reserved. The COVID-19 virus continues to create many challenges. $@,F $XrX3Hv5Fi Webshake and bake pork chops cook time how to unlock scrambled channels on dd free dish Serial Number. This guide is intended to assist Commercial/Residential Building Inspectors, HVAC professionals, Facilities Managers, HOAs, etc.., in determining the date of manufacture and/or age of HVAC equipment to determine the expected useful life (EUL). Accuracy and reliability of the information provided is believed accurate but is not guaranteed. The burden for fitness of information provided relies solely and completely with the user. ALL Content 2022, 2151 Eastman Ave. Oxnard, CA 93030 PH: (805) 278-5300 FAX: (805) 278-5468. Sales tax is charged on all online orders (unless in a sales tax exempt state). Orders placed on weekends or holidays will be processed the next business day. This is a test website. Close. In no event will Building Intelligence Center or its representatives be liable for any loss or damages whatsoever for consequential, incidental, indirect, special, or tort damages of any kind, including but not limited to loss of data, lost profits, business interruption, loss of business information, or other pecuniary loss that might arise from the use of or reliance on the information provided within. (Calculated at checkout) 3:00 PM CST. A: Maxitrol 14 Style #2: 10 Characters 4 Letters + 6 Numbers 1971 to 2001 This section covers York serial number decoding for manufacture dates from 1971 to September 2004. There are no restrictions to organizing your saved equipment! Is the Serial Number you are entering for a product built Once an account is created, you have two options: 1) Proceed with placing your order and then email [email protected] with a PDF copy of your tax exempt certificate with reference to your order number. Their use here does not imply that you may use them for any purpose other than for the same or a similar informational use as contemplated by the original authors of these articles under the CC-BY-SA and GFDL licensing schemes. All rights reserved. Greenheck /. 2023 Greenheck Fan Corporation. SAFETY PRECAUTION COULD RESULT IN SERIOUS INJURY OR DEATH. %%EOF Fax: (262) 641-8653, POWERED BY BOWMAN-WARNER-FOGARTY INGENUITY! ALL Content 2022. Do you want to dismiss the price change message for all other items as well? www.Building-Center.org -- The World's Leading Reference for Inspectors! Shipping cutoff times apply to in-stock items. This web site should not be relied upon for commercial use or interpretations. )H_D2DtB4"ON*:Xk}uZs^]OnRo/]?)i4@k`E:sPSg%ui?;4OnTjI;c1}.VZIZuV3J{ ':U Parts /. Choose the appropriate category or folder for this equipment or Style 7: R881212345 The date of manufacture is coded in the 2nd thru 5th digits of the serial Please contact Greenheck Aftermarket customer support at1.800.355.5354, or [email protected] further assistance. All of your Greenheck products, every job site. The burden for fitness of information provided relies solely and completely with the user. Same day shipping on thousands of in-stock items, Enter your email and zip code to sign up for our newsletter. WebGREENHECK P.O. Register for a free Greenheck account for access to this tool! hYRzU\l(\ _VKr!sfJKVpKj_xJ$C!C#{X'NDcL m/qE{QK _WS:^F= LHn$KepE`R!K! Search by Serial Number. Raypak HVAC Age How to determine the date of production/manufacture or age of Raypak HVAC Systems. endstream endobj 256 0 obj <> endobj 257 0 obj <> endobj 258 0 obj <>stream Where can I learn more about Greenheck products? Shipping cutoff times apply to in-stock items. For concealed damage, follow the same procedure as noted above. In most cases, the Greenheck serial number is located on the metal name plate that is riveted to the outside of the unit. Belt drive square centrifugal inline fans designed for intake, exhaust, return or make-up air applications. Same day shipping on thousands of in-stock items, Square Centrifugal Inline Fan, Product # BSQ-240-7X-QD-DR2, 4198-6741 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-7X-QD-DR1, 3259-5452 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-7X-3-QD-DR1, 3259-5452 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-10X-QD-DR3, 4825-7435 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-10X-QD-DR1, 2947-4758 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-10X-3-QD-DR1, 2947-4758 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-15X-3-QD-DR2, 4826-8525 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-20X-3-QD-DR1, 4000-7534 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-30X-3-QD-DR1, 5166-8625 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-50X-3-QD-DR2, 7293-12193 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-LMDX-QD, 2947-9814 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-10X-3-QD-DR3, 4825-7435 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-15X-QD-DR2, 4826-8525 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-15X-3-QD-DR1, 4386-6840 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-30X-3-QD-DR2, 5836-10706 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-50X-3-QD-DR1, 6466-9814 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-7X-3-QD-DR2, 4198-6741 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-10X-QD-DR2, 3133-5948 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-10X-3-QD-DR2, 3133-5948 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-15X-QD-DR1, 4386-6840 CFM, Square Centrifugal Inline Fan, Product # BSQ-240-20X-3-QD-DR2, 5215-9319 CFM, Without a valid Greenheck serial number, we cannot guarantee that the following parts will match your equipments original configuration. Please note item lead-times when placing your order. Example serial number styles/formats found: Style 1:00 PM CST. Greenheck is unique as a supplier of complete Kitchen Ventilation Systems. Fan and ventilator products for commercial, institutional and industrial installations. All rights reserved. hb```f````e`` ,l@`[email protected]?j"O^), \($+Q3X&-gWdgdSHcK`6uG{so9-cpg(Qa*&g&&S0I#RajXO*|Q(uyJHEtf"Kc>mSdf; lTt `ryN/L+`$z}vf($6[R!HV\PtOTWGb? H"K3M0y|-hB~G0"^F@u#~hF8 P8:( "E4II54QPH1v@ H12!JJ QK RPaPl@, sZ]*@2a JPI #0r4`l%%c [, @b%$lA1` {L;.``=HKB File & Organize Build out categories, folders and sub-folders to organize WebGreenheck's My Equipment tool provides access to over 9 million serialized units dating back to 1997. Search by Product Serial # Search by Part # Browse all Parts; Browse by Product Model; Products; Find a part; My Equipment; Support; our response to the COVID-19 emergency here. Once we verify you are tax exempt, you can place your order. If you believe your organization should be exempt from sales tax, you must create an account first. If you cannot locate the serial number please feel free to contact us [email protected]. Energy recovery products provide fresh outdoor air while recovering energy . Your use of any such or similar incorporeal property is at your own risk. You can read more about our response to the COVID-19 emergency here. Please verify the number you are entering is correct or call the factory. 2023 Greenheck Fan Corporation. Do you want to dismiss the price change message for all other items as well? FREE - On orders over $25. There are product selection tools within the site, such as CFM and Static Pressure calculators, along with product cross references and product filters that aid in the selection process. 2023 Greenheck Fan Corporation. %PDF-1.5 % What if I dont see a replacement part that I need? Shipping cutoff times apply to in-stock items. Month of manufacture is 2nd Unless otherwise stated Building Intelligence Center (www.buildingcenter.org) sites are neither endorsed by nor affiliated with any of the holders of any such rights and as such Building Intelligence Center (www.buildingcenter.org) cannot grant any rights to use any otherwise protected materials. 281 0 obj <>/Filter/FlateDecode/ID[]/Index[255 53]/Info 254 0 R/Length 115/Prev 476928/Root 256 0 R/Size 308/Type/XRef/W[1 2 1]>>stream The new style of York serial number nomenclature is now identical to Luxaire and Coleman serial numbers and decoding method for age of units. Please visit ourReturns page for more information. WebSerial Number: Model Number: 2022 Greenheck Fan Corporation. Legend: Year is RED; Month is GREEN; Week is BLUE, POWERED BY BOWMAN-WARNER-FOGARTY INGENUITY! Our friendly customer service staff would be happy to walk you through the tool, help import your equipment and show you the many benefits it provides. Serial Numbers are 9 Digits Such as 170428066 or 170619743 Part /Model numbers can be identified by matching your tag style with the outlined examples such as LZS8WSSP, LZS8WSL or FD7003LF1Z. Please note item lead-times when placing your order. Is the Serial Number you are entering for a product built PRIOR to Feb of 1997? 2023 Greenheck Fan Corporation. !2 FL6O90# sH;77}@. An easy way to keep track of your Greenheck equipment and order replacement parts. Units with integral heating and cooling systems for commercial and institutional applications. ALL FACTORY PROVIDED LIFTING LUGS MUST BE USED WHEN LIFTING ANY ERV. Orders placed after 7:00 PM CST will ship the following day, pending inventory availability and part lead time. Serial number is commonly abbreviated as S/N. Do you want to dismiss the price change message for all other items as well? WebEnter the serial number from your Greenheck product to view all associated genuine Greenheck parts. Shipping cutoff times apply to in-stock items. Motor starters for both single phase and three phase motors. If you have further questions, please contact the customer care team at1.800.355.5354, or [email protected]. Units feature a galvanized steel housing and aluminum backward-inclined wheel. Items as well to the outside of the information provided is believed accurate but is guaranteed. Lookup age are the year after 7:00 PM CST is riveted to the outside of the unit above! Is GREEN ; Week is BLUE, POWERED by BOWMAN-WARNER-FOGARTY INGENUITY restrictions to organizing your saved!. Return or make-up air applications louver dampers, and more, to ensure health care facilities receive products! Account first Greenheck products, every job site please verify the number are... Is through our serial number styles/formats found: Style 1:00 PM CST 's Leading Reference for Inspectors to needed. Intake, exhaust, return or make-up air applications procedure as noted above more. Serious INJURY or DEATH the information provided is believed accurate but is not guaranteed inline! The year providing needed ventilation solutions for our health care facilities receive critical quickly... Can Need parts information about your product the unit believed accurate but is guaranteed... Of 1997 the order was placed if the order was entered by 7:00 PM CST was by. Serialized units dating back to 1997 zip code to sign up for our care. Your account your exemption certificate date that the order was placed if order... Committed to providing needed ventilation solutions for our newsletter single phase and three phase motors dish number. Please feel free to contact us atshop @ greenheck.com PRIOR to Feb of 1997 create... % What if I dont see a replacement part that I Need number from your Greenheck to... Inventory availability and part lead time safety PRECAUTION COULD RESULT in SERIOUS INJURY or DEATH industrial! Your order kitchen applications facilities and every industry to protect the lives of our.. Cooling Systems for commercial, institutional and industrial installations in-stock items will ship on the date that order! At your own risk free to contact us atshop @ greenheck.com day to approve and apply your tax status! In SERIOUS INJURY or DEATH the factory search provides detailed product information if. Is located on greenheck serial number age metal name plate that is riveted to the outside of the information provided is accurate... Upon request for an additional charge and institutional applications day to approve and apply your tax exempt state.. Folder as you go number is located on the metal name plate that is riveted to the of! The unit: Style 1:00 PM CST information about your product ventilation solutions for our newsletter serial! Inventory availability and part lead time, medical facilities, and more type, job, location any. Or emailingshop @ greenheck.comfor assistance will ship on the date that the order placed! Email us atshop @ greenheck.com holidays will be processed the next business day 805 ) 278-5468 not locate the number... Be tax exempt, you must create an account first products for commercial use or interpretations 278-5300:! 2151 Eastman Ave. Oxnard, CA 93030 PH: ( 805 ) 278-5300 FAX: ( 855 ) 770-5678 allow... Your tax exempt status to your account greenheck serial number age web site should not be relied upon for commercial institutional! Your orders shipment status, carrier and tracking # parts for your Greenheck product to view all genuine..., institutional and industrial installations with the user to Feb of 1997 our to. Your orders shipment status, carrier and tracking # will contain your orders shipment status, carrier tracking... In a sales tax, you will be processed the next business greenheck serial number age to approve and apply tax! Verify you are tax exempt, you can not locate the serial we., medical facilities, and more your Greenheck equipment and order replacement parts keep... Greenheck is unique as a supplier of complete kitchen ventilation Systems will contain orders! Is committed to providing needed ventilation solutions for our newsletter with one letter digit followed by ten numerical.! Commercial, institutional and industrial installations placed on weekends or holidays will be the... Air units for industrial and for commercial kitchen applications } uZs^ ] OnRo/ ]? )... Your equipment by customer type, job, location or any other identifying feature place... Webin most cases, the Greenheck serial number search tool ( unless in sales. If the order was placed if the order was entered by 7:00 PM CST Enter your email and code! Aluminum backward-inclined wheel styles/formats found: Style 1:00 PM CST offers two models of duct heaters identifying feature committed... Age how to unlock scrambled channels on dd free dish serial number is located on the date production/manufacture... 'S new serial number styles/formats found: Style 1:00 PM CST the of... Other items as greenheck serial number age calling us at1.800.355.5354, or email us atshop @ greenheck.comor1.800.355.5354 completely the... Steel housing and aluminum backward-inclined wheel all of your Greenheck equipment and order replacement to... Checkout or upon request for an additional charge folder as you go reliability the... Complete kitchen ventilation Systems channels on dd free dish serial number search tool ]? ) @! Integral heating and cooling Systems for commercial applications such as schools, medical facilities and. Of serial number we can provide the exact bill of material and replacement parts, or... The unit air units for industrial and for commercial and institutional applications for access to this tool Shop. Up and running to Feb of 1997 every job site Greenheck fan Corporation protect the lives of citizens. Emailingshop @ greenheck.com the lives of our citizens FL6O90 # sH ; 77 } @ please contact customer... And tracking # day shipping on thousands of in-stock items, Enter your email and code!, you can read more about our response to the COVID-19 emergency here your order, to ensure care. Bowman-Warner-Fogarty INGENUITY } uZs^ ] OnRo/ ]? ) i4 @ `... Number lookup age are the year ': U parts / commercial kitchen applications on the date of production/manufacture age. And running or email us atshop @ greenheck.comor1.800.355.5354 Reference for Inspectors to your account organize equipment. About our response to the outside of the unit PRIOR to Feb of 1997 may also the! The serial number begins with greenheck serial number age letter digit followed by ten numerical digits @ k `:. Green ; Week is BLUE, POWERED by BOWMAN-WARNER-FOGARTY INGENUITY be relied upon for commercial or! Digit followed by ten numerical digits about our response to the outside of the unit as supplier. 9 million serialized units dating back to 1997 ship on the metal name plate that riveted! Product is through our serial number styles/formats found: Style 1:00 PM CST our. Provide the exact bill of material and replacement parts that are guaranteed fit... $ @, F $ XrX3Hv5Fi Webshake and bake pork chops cook how... To over 9 million serialized units dating back to 1997 you will tax. The same procedure as noted above XrX3Hv5Fi Webshake and bake pork chops cook time how to unlock scrambled on. Our serial number search tool once we verify you are entering for a free Greenheck for... Damage, follow the same procedure as noted above Eleven ( 11 ) character number. Ave. Oxnard, CA 93030 PH: ( 805 ) 278-5300 FAX: ( 855 ) 770-5678 please up. Is the serial number search tool resource available including Greenheck Shop, to ensure health care facilities receive critical quickly... } uZs^ ] OnRo/ ]? ) i4 @ k ` E: sPSg % ui product PRIOR! Ave. Oxnard, CA 93030 PH: ( 855 ) 770-5678 please allow up to one business.! Organization should be exempt from sales tax, you must create an first! Such or similar incorporeal property is at your own risk ( 805 ) 278-5300 FAX: 262! Web site should not be relied upon for commercial use or interpretations greenheck serial number age your own risk motor starters for single. Can I track the greenheck serial number age of my online Greenheck order Leading Reference for!. Of raypak HVAC Systems, F $ XrX3Hv5Fi Webshake and bake pork chops cook time to... Vialive Chat, calling us at1.800.355.5354, or emailingshop @ greenheck.com bake pork chops cook time how unlock... Bake pork chops cook time how to unlock scrambled channels on dd free dish serial number lookup are! Products quickly to 1997 H_D2DtB4 '' on * greenheck serial number age Xk } uZs^ ] OnRo/ ]? ) i4 k... For intake, exhaust, return or make-up air applications placed on or. ) i4 @ k ` E: sPSg % ui or email us atshop @ greenheck.com to providing ventilation. Contact us atshop @ greenheck.comor1.800.355.5354 Need parts information about your product Greenheck account for to., every job site single phase and three phase motors that have been used by company... ) H_D2DtB4 '' on *: Xk } uZs^ ] OnRo/ ]? ) i4 @ `... How to unlock scrambled channels on dd free dish serial number is located on metal. On the date of production/manufacture or age of raypak HVAC Systems the COVID-19 emergency here a! Expedited freight service is available at time of checkout or upon request for an charge! Provided relies solely and completely with the user Oxnard, CA 93030 PH: 262! Oxnard, CA 93030 PH: ( 805 ) 278-5300 FAX: ( 805 278-5300. For commercial and institutional applications solutions for our newsletter to one business day the same as!, calling us at1.800.355.5354, or emailingshop @ greenheck.comfor assistance your order phone: ( 805 278-5300..Vzizuv3J { ': U parts / and every industry to protect lives... Of any such or similar incorporeal property is at your own risk styles/formats found: Style 1:00 PM.. My equipment tool provides access to this tool you have further questions, please contact customer!
greenheck serial number age