23E002 Cooktop Gas Valves May Fracture Causing Gas Leak – Suburban SDS2 2-Burner Drop-in Cooktops

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-002 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Suburban Manufacturing CO Submission Date : JAN 25, 2023 NHTSA Recall No. : 23E-002 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Suburban Manufacturing CO Address : 676 Broadway Dayton TN 37321 Company phone : 866-645-0658 Population : Number of potentially involved : 28,536 Estimated percentage with defect : 100 % Equipment Information : Brand / Trade 1 : Suburban Manufacturing Model : SDS2 – 2 Burner Drop In Cooktop Part No. : 3031 AST & 3032AST Size : NR Function : NR Descriptive Information : The recall production dates includes all production of the SDS2 cooktop to present. Production Dates : JAN 16, 2018 – JAN 11, 2023 Description of Defect : Description of the Defect : The internal aluminum burner tubes connecting the gas valves to the cook top burners can fracture from excessive vibration or shock experienced through RV travel. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The burner tube could crack resulting a leak of propane when the top burner gas valve is opened to use the appliance. If ignited the propane could result in a fire and/or explosion which could result in personal injury. Description of the Cause : The gas manifold at the control knobs can become loose over time due to excessive vibration. With excessive viration the the burner tubes can fail. Lab analysis of failed burner tubes indicate hardening of the aluminum burner tubes likely caused by repeated impact or the excessive vibration. Identification of Any Warning that can Occur : The owner could possibly hear a louder than normal hissing sound or smell propane odor when the cooktop gas valve is turned to the “on” position. The flame height could seem lower than normal. The control knob of the cooktop could appear to be loose and become difficult to operate. Part 573 Safety Recall Report 23E-002 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name : Burner Tube Component Description : Burner Tube – Aluminum Component Part Number : 171996 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : See Attached Chronology. Description of Remedy : Description of Remedy Program : The remedy is still being evaluated at this time. How Remedy Component Differs from Recalled Component : To Be Determined. Identify How/When Recall Condition was Corrected in Production : To Be Determined. Recall Schedule : Description of Recall Schedule : As an vehicle equipment supplier, Suburban will notify the purchasers of this product by letter when approved by NHTSA. Planned Dealer Notification Date : MAR 13, 2023 – MAR 13, 2023 Planned Owner Notification Date : MAR 13, 2023 – MAR 13, 2023 Part 573 Safety Recall Report 23E-002 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : NR Address : NR NR Country : NR Company Phone : NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-002 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Suburban Manufacturing CO Submission Date : JAN 16, 2023 NHTSA Recall No. : 23E-002 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Suburban Manufacturing CO Address : 676 Broadway Dayton TN 37321 Company phone : 866-645-0658 Population : Number of potentially involved : NR Estimated percentage with defect : 100 % Equipment Information : Brand / Trade 1 : Suburban Manufacturing Model : SDS2 – 2 Burner Drop In Cooktop Part No. : 3032AST Size : NR Function : NR Descriptive Information : The recall production dates includes all production of the SDS2 cooktop to present. Production Dates : JAN 16, 2018 – JAN 11, 2023 Description of Defect : Description of the Defect : The internal aluminum burner tubes connecting the gas valves to the cook top burners can fracture from excessive vibration or shock experienced through RV trailer travel. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The burner tube could crack resulting a leak of propane when the top burner gas valve is opened to use the appliance. If ignited the propane could result in a fire and/or explosion which could result in personal injury. Description of the Cause : The gas manifold at the control knobs can become loose over time due to excessive vibration. With excessive viration the the burner tubes can fail. Lab analysis of failed burner tubes indicate hardening of the aluminum burner tubes likely caused by repeated impact or the excessive vibration. Identification of Any Warning that can Occur : The owner could possibly hear a louder than normal hissing sound or smell propane odor when the cooktop gas valve is turned to the “on” position. The control knob of the cooktop could appear to be loose and become difficult to operate. Part 573 Safety Recall Report 23E-002 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name : Burner Tube Component Description : Burner Tube – Aluminum Component Part Number : 171996 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : NR Description of Remedy : Description of Remedy Program : NR How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : As an vehicle equipment supplier, Suburban will notify the purchasers of this product by letter when approved by NHTSA. Planned Dealer Notification Date : MAR 13, 2023 – MAR 13, 2023 Planned Owner Notification Date : MAR 13, 2023 – MAR 13, 2023 Part 573 Safety Recall Report 23E-002 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : NR Address : NR NR Country : NR Company Phone : NR * NR – Not Reported

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676 Broadway St. Dayton, TN 37321 NHTSA Safety Recall: 23E-002 Date: February 6, 2023 Via Email and Overnight Delivery IMPORTANT SAFETY RECALL OEM CUSTOMER NOTIFICATION This Customer Notification is sent to you in accordance with the requirements of the United States National Traffic and Motor Vehicle Safety Act. REASON FOR THIS RECALL Suburban Manufacturing has decided that a defect which relates to motor vehicle safety exists in SDS2 – 2 Burner cooktops that were installed in recreational vehicles. The internal aluminum burner tubes connecting the gas valves to the cook top burners can fracture from excessive vibration or shock experienced in recreational vehicles. The burner tube could crack resulting a leak of propane when the top burner gas valve is opened to use the appliance. If ignited the propane could result in a fire and/or explosion which could result in personal injury. WHAT WE WILL DO Suburban will provide a remedy at no cost. Suburban will provide your company and dealer with work instructions to remedy the defective cooktops. With proper documentation, Suburban will reimburse owners for the retail cost of an SDS2 cooktop if it was replaced prior to the issuing of this recall. WHAT YOU SHOULD DO You or your dealer must contact Suburban’s Customer Service department at 423-775-2131 ext 7101 or via email at orders@suburban.com. Suburban will coordinate with you about executing the prescribed remedy. If after contacting Suburban’s Customer Service you are still not satisfied we have done our best to remedy this situation, you may also submit a written complaint to: Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590. You may call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153; or go to http://www.safercar.gov.) Federal regulations require that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within ten days. We regret any inconvenience this action may cause you. As we are sure you will appreciate, the safety and quality of our products are of the utmost importance to us. Thank you for your attention and cooperation in this matter. Sincerely, Suburban Manufacturing

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-002 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Suburban Manufacturing CO Submission Date : FEB 06, 2023 NHTSA Recall No. : 23E-002 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Suburban Manufacturing CO Address : 676 Broadway Dayton TN 37321 Company phone : 866-645-0658 Population : Number of potentially involved : 28,536 Estimated percentage with defect : 100 % Equipment Information : Brand / Trade 1 : Suburban Manufacturing Model : SDS2 – 2 Burner Drop In Cooktop Part No. : 3031 AST & 3032AST Size : NR Function : NR Descriptive Information : The recall production dates includes all production of the SDS2 cooktop to present. Production Dates : JAN 16, 2018 – JAN 11, 2023 Description of Defect : Description of the Defect : The internal aluminum burner tubes connecting the gas valves to the cook top burners can fracture from excessive vibration or shock experienced through RV travel. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The burner tube could crack resulting a leak of propane when the top burner gas valve is opened to use the appliance. If ignited the propane could result in a fire and/or explosion which could result in personal injury. Description of the Cause : The gas manifold at the control knobs can become loose over time due to excessive vibration. With excessive viration the the burner tubes can fail. Lab analysis of failed burner tubes indicate hardening of the aluminum burner tubes likely caused by repeated impact or the excessive vibration. Identification of Any Warning that can Occur : The owner could possibly hear a louder than normal hissing sound or smell propane odor when the cooktop gas valve is turned to the “on” position. The flame height could seem lower than normal. The control knob of the cooktop could appear to be loose and become difficult to operate. Part 573 Safety Recall Report 23E-002 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name : Burner Tube Component Description : Burner Tube – Aluminum Component Part Number : 171996 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : See Attached Chronology. Description of Remedy : Description of Remedy Program : The remedy will be to install a regulator support bracket to eliminate the vibration of the burner tube. The remedy will be provided at no cost to the owners. Repairs made prior to the recall will be handled in accordance with our General Reimbursement Plan on file with NHTSA. How Remedy Component Differs from Recalled Component : The remedied component has had a part number change from 3032AST to 3333AST. The remedied component also has a bracket installed to support the burner tube. Identify How/When Recall Condition was Corrected in Production : The remedy of the regulator support bracket went into production on February 1, 2023. Recall Schedule : Description of Recall Schedule : As an vehicle equipment supplier, Suburban will notify the purchasers of this product by letter when approved by NHTSA. Planned Dealer Notification Date : MAR 13, 2023 – MAR 13, 2023 Planned Owner Notification Date : MAR 13, 2023 – MAR 13, 2023 Part 573 Safety Recall Report 23E-002 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : NR Address : NR NR Country : NR Company Phone : NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-002 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Suburban Manufacturing CO Submission Date : FEB 10, 2023 NHTSA Recall No. : 23E-002 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Suburban Manufacturing CO Address : 676 Broadway Dayton TN 37321 Company phone : 866-645-0658 Population : Number of potentially involved : 28,536 Estimated percentage with defect : 100 % Equipment Information : Brand / Trade 1 : Suburban Manufacturing Model : SDS2 – 2 Burner Drop In Cooktop Part No. : 3031 AST & 3032AST Size : NR Function : NR Descriptive Information : The recall production dates includes all production of the SDS2 cooktop to present. Production Dates : JAN 16, 2018 – JAN 11, 2023 Description of Defect : Description of the Defect : The internal aluminum burner tubes connecting the gas valves to the cook top burners can fracture from excessive vibration or shock experienced through RV travel. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The burner tube could crack resulting a leak of propane when the top burner gas valve is opened to use the appliance. If ignited the propane could result in a fire and/or explosion which could result in personal injury. Description of the Cause : The gas manifold at the control knobs can become loose over time due to excessive vibration. With excessive viration the the burner tubes can fail. Lab analysis of failed burner tubes indicate hardening of the aluminum burner tubes likely caused by repeated impact or the excessive vibration. Identification of Any Warning that can Occur : The owner could possibly hear a louder than normal hissing sound or smell propane odor when the cooktop gas valve is turned to the “on” position. The flame height could seem lower than normal. The control knob of the cooktop could appear to be loose and become difficult to operate. Part 573 Safety Recall Report 23E-002 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name : Burner Tube Component Description : Burner Tube – Aluminum Component Part Number : 171996 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : See Attached Chronology. Description of Remedy : Description of Remedy Program : The remedy for units that have not been retail sold will be to install a regulator support bracket to eliminate the vibration of the burner tube. The remedy for units that have been retail sold is still being developed. The remedy will be provided at no cost to the owners. Repairs made prior to the recall will be handled in accordance with our General Reimbursement Plan on file with NHTSA. How Remedy Component Differs from Recalled Component : The remedied component has had a part number change from 3032AST to 3333AST. The remedied component also has a bracket installed to support the burner tube. Identify How/When Recall Condition was Corrected in Production : The remedy of the regulator support bracket went into production on February 1, 2023. Recall Schedule : Description of Recall Schedule : As an vehicle equipment supplier, Suburban will notify the purchasers of this product by letter when approved by NHTSA. Planned Dealer Notification Date : MAR 13, 2023 – MAR 13, 2023 Part 573 Safety Recall Report 23E-002 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Planned Owner Notification Date : MAR 13, 2023 – MAR 13, 2023 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : NR Address : NR NR Country : NR Company Phone : NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-002 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Suburban Manufacturing CO Submission Date : APR 14, 2023 NHTSA Recall No. : 23E-002 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Suburban Manufacturing CO Address : 676 Broadway Dayton TN 37321 Company phone : 866-645-0658 Population : Number of potentially involved : 28,536 Estimated percentage with defect : 100 % Equipment Information : Brand / Trade 1 : Suburban Manufacturing Model : SDS2 – 2 Burner Drop In Cooktop Part No. : 3031 AST & 3032AST Size : NR Function : NR Descriptive Information : The recall production dates includes all production of the SDS2 cooktop to present. Production Dates : JAN 16, 2018 – JAN 11, 2023 Description of Defect : Description of the Defect : The internal aluminum burner tubes connecting the gas valves to the cook top burners can fracture from excessive vibration or shock experienced through RV travel. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The burner tube could crack resulting a leak of propane when the top burner gas valve is opened to use the appliance. If ignited the propane could result in a fire and/or explosion which could result in personal injury. Description of the Cause : The gas manifold at the control knobs can become loose over time due to excessive vibration. With excessive viration the the burner tubes can fail. Lab analysis of failed burner tubes indicate hardening of the aluminum burner tubes likely caused by repeated impact or the excessive vibration. Identification of Any Warning that can Occur : The owner could possibly hear a louder than normal hissing sound or smell propane odor when the cooktop gas valve is turned to the “on” position. The flame height could seem lower than normal. The control knob of the cooktop could appear to be loose and become difficult to operate. Part 573 Safety Recall Report 23E-002 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name : Burner Tube Component Description : Burner Tube – Aluminum Component Part Number : 171996 Supplier Identification : Component Manufacturer Name : Suburban Manufacturing Address : NR NR Country : NR Chronology : See Attached Chronology. Description of Remedy : Description of Remedy Program : The remedy for units that have not been retail sold will be to install a regulator support bracket to eliminate the vibration of the burner tube. The remedy for units that have been retail sold will be to inspect the burner tubes. If cracking is present, the entire cooktop will be replaced. If no cracking is present, a regulator support bracket will be installed.. The remedy will be provided at no cost to the owners. Repairs made prior to the recall will be handled in accordance with our General Reimbursement Plan on file with NHTSA. How Remedy Component Differs from Recalled Component : The remedied component has had a part number change from 3032AST to 3333AST. The remedied component also has a bracket installed to support the burner tube. Identify How/When Recall Condition was Corrected in Production : The remedy of the regulator support bracket went into production on February 1, 2023. Recall Schedule : Part 573 Safety Recall Report 23E-002 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Recall Schedule : As an vehicle equipment supplier, Suburban will notify the purchasers of this product by letter when approved by NHTSA. Planned Dealer Notification Date : MAR 13, 2023 – MAR 13, 2023 Planned Owner Notification Date : MAR 13, 2023 – MAR 13, 2023 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : NR Address : NR NR Country : NR Company Phone : NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-002 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Suburban Manufacturing CO Submission Date : APR 03, 2023 NHTSA Recall No. : 23E-002 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : Suburban Manufacturing CO Address : 676 Broadway Dayton TN 37321 Company phone : 866-645-0658 Population : Number of potentially involved : 28,536 Estimated percentage with defect : 100 % Equipment Information : Brand / Trade 1 : Suburban Manufacturing Model : SDS2 – 2 Burner Drop In Cooktop Part No. : 3031 AST & 3032AST Size : NR Function : NR Descriptive Information : The recall production dates includes all production of the SDS2 cooktop to present. Production Dates : JAN 16, 2018 – JAN 11, 2023 Description of Defect : Description of the Defect : The internal aluminum burner tubes connecting the gas valves to the cook top burners can fracture from excessive vibration or shock experienced through RV travel. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The burner tube could crack resulting a leak of propane when the top burner gas valve is opened to use the appliance. If ignited the propane could result in a fire and/or explosion which could result in personal injury. Description of the Cause : The gas manifold at the control knobs can become loose over time due to excessive vibration. With excessive viration the the burner tubes can fail. Lab analysis of failed burner tubes indicate hardening of the aluminum burner tubes likely caused by repeated impact or the excessive vibration. Identification of Any Warning that can Occur : The owner could possibly hear a louder than normal hissing sound or smell propane odor when the cooktop gas valve is turned to the “on” position. The flame height could seem lower than normal. The control knob of the cooktop could appear to be loose and become difficult to operate. Part 573 Safety Recall Report 23E-002 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Involved Components : Component Name : Burner Tube Component Description : Burner Tube – Aluminum Component Part Number : 171996 Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : See Attached Chronology. Description of Remedy : Description of Remedy Program : The remedy for units that have not been retail sold will be to install a regulator support bracket to eliminate the vibration of the burner tube. The remedy for units that have been retail sold will be to inspect the burner tubes. If cracking is present, the entire cooktop will be replaced. If no cracking is present, a regulator support bracket will be installed.. The remedy will be provided at no cost to the owners. Repairs made prior to the recall will be handled in accordance with our General Reimbursement Plan on file with NHTSA. How Remedy Component Differs from Recalled Component : The remedied component has had a part number change from 3032AST to 3333AST. The remedied component also has a bracket installed to support the burner tube. Identify How/When Recall Condition was Corrected in Production : The remedy of the regulator support bracket went into production on February 1, 2023. Recall Schedule : Part 573 Safety Recall Report 23E-002 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Recall Schedule : As an vehicle equipment supplier, Suburban will notify the purchasers of this product by letter when approved by NHTSA. Planned Dealer Notification Date : MAR 13, 2023 – MAR 13, 2023 Planned Owner Notification Date : MAR 13, 2023 – MAR 13, 2023 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : NR Address : NR NR Country : NR Company Phone : NR * NR – Not Reported

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