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August 27, 2021 NHTSA CAMPAIGN NUMBER: 21V671000
Propane Regulator May Fail and Cause Fire
Increased propane pressure can enlarge the flames in gas appliances, increasing the risk of a fire.
NHTSA Campaign Number: 21V671
Manufacturer Airstream, Inc.
Components EQUIPMENT
Potential Number of Units Affected 222
Summary
Airstream, Inc. (Airstream) is recalling certain 2021 Flying Cloud, Bambi, Caravel, Classic, Globetrotter, and International recreational vehicles, equipped with Winntec model 6020 two-stage propane regulators. The regulator may fail, causing an increase in propane pressure.
Remedy
Dealers will inspect and replace the regulator, as necessary, and test the propane system for leaks, free of charge. Owner notification letters were mailed October 8, 2021. Owners may contact Airstream customer service at 1-877-596-6505 or 1-937-596-6111 ext. 7401 or 7411.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
11/4/20–Grand Design RV informs THOR Ind. of three incidents involving Winntec Model 6020 regulators, where the regulators were suspected as the cause of fires. The Thor companies reviewed the issue internally and found no issues with these regulators at that time.
12/4/20–KZ RV informs THOR Ind. of two issues under investigation with the same suspect regulators.
12/22/20–Grand Design performs lab analysis on two failed regulators and finds they contain an oily substance inside. There is a belief that the oily substance is machining oil from a manufacturing process.
2/24/21–Grand Design informs THOR Ind. they are investigating several more fires, and will be sending regulators from those incidents for lab inspection.
3/16/21–Lab analysis performed on six regulators from Grand Design, including one exemplar and one from KZ RV. In the lab setting, the KZ RV regulator operated within allowable parameters, although it contained the same oily residue seen on the field samples.
4/19/21–THOR Ind. engages Exponent Engineering to conduct analysis of regulators to determine source of oily substance.
5/10/21–Safety Committee Meetings conducted at KZ RV, Keystone RV and Jayco RV, to update them on regulator investigation. All committees request further investigation of specific claims and confirmation of Exponent findings.
5/12/21–Exponent provides written report/presentation on regulator analysis.
5/14/21–Meeting held with Grand Design, Dehco, Winnspec International, and Chen Fong to discuss regulator issue. Winnspec given until May 18, to return information regarding issues with their regulators.
5/19/21–Safety Committee Meetings conducted at KZ RV, Keystone RV and Jayco RV to update them on the regulator investigation.
5/21/21–THOR Ind. Discussed regulator issue with the Medium Heavy Duty ODI office.
5/24/21 & 5/25/21 – Meeting with Grand Design, Dehco, Winnspec International, and Chen Fong at Livonia, MI testing facility, to discuss regulator investigation. Chen Fong agrees the regulator is allowing higher pressure than expected with a compromised second stage seal.
5/27/21–Safety Committee Meetings conducted at KZ RV, Keystone RV and Jayco RV. All safety committees decide to move forward with a recall for safety for units built with a defective Winntec Model 6020 regulator.
6/16/21 – Video Meeting was held with Thor Industries and NHTSA ODI and Recalls Management Divisions to update them on the progress of gathering the required populations of all regulator recalls submitted by the Thor Companies. NHTSA was informed that more confirmation testing was required to definitively establish a population.
7/7/21 – Exponent provided Thor Industries draft testing results of the interaction of the second stage seal with various plasticizers found in hoses used on the regulators from the last five years of manufacturing. Only one sample per year was available to test. This testing confirmed similarities in several years.
7/8/21 – Exponent’s draft testing results reviewed with Thor Industries companies. Due to small sample size, it was requested to see if more samples could be secured for confirmation testing.
7/16/21 – Thor Industries conducts meeting with Dehco, UFP and Winnspec to discuss the regulator recalls. Winnspec agrees to provide further second stage seal discs to confirm earlier testing.
8/2/21 – Testing samples from Winnspec received from China at Exponent.
8/18/21 – Exponent provides draft testing results to Thor Industries on confirmation Samples.
8/20/21 – Thor Industries conducts meeting with affected companies to discuss testing results. Companies are instructed to review the results with their Safety Committees and adjust recall populations accordingly.
8/25/21 – Airstream conducts Safety Committee meeting to review Winntec regulator and decides to issue a safety recall.
21E081 – Possible LP Regulator Failure – Winntec & WIC Model 6020 LP Regulators
21E081 – Possible LP Regulator Failure – Winntec & WIC Model 6020 LP Regulators
6 Affected Products
Vehicles
MAKE | MODEL | YEAR |
AIRSTREAM | BAMBI | 2021 |
AIRSTREAM | CARAVEL | 2021 |
AIRSTREAM | CLASSIC | 2021 |
AIRSTREAM | FLYING CLOUD | 2021 |
AIRSTREAM | GLOBETROTTER | 2021 |
AIRSTREAM | INTERNATIONAL | 2021 |
8 Associated Documents
Recall 573 Report – Amendment 1
RCLRPT-21V671-1280.PDF 221.515KB
Recall 573 Report – Amendment 2
RCLRPT-21V671-7558.PDF 221.514KB
Miscellaneous Document – Chronology
RMISC-21V671-6158.pdf 55.444KB
Defect Notice 573 Report
RCLRPT-21V671-5803.PDF 221.655KB
Recall Acknowledgement
RCAK-21V671-9371.pdf 695.645KB
Recall 573 Report – Amendment 3
RCLRPT-21V671-3339.PDF 221.637KB
Recall Quarterly Report #1, 2021-4
RCLQRT-21V671-7162.PDF 211.126KB
Recall Quarterly Report #2, 2022-1
RCLQRT-21V671-0947.PDF 211.225KB
Latest Recalls Documents
For the Latest and Most Recent Recalls Information Visit the link below…
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V671&docType=RCL
- Allows removal of the empty cylinder for refill without interrupting propane supply; includes 2 of the 12-inch pigtails to connect the regulator to the propane tank or propane supply
- For RVs with dual propane tanks; it automatically switches from primary to reserve tank when the primary tank is empty
- Pairs well with our 48 Inch Thermo Plastic Hose, item 100383-48
- Inlets are 1/4" SAE inverted flare and outlet is 3/8" NPT female pipe thread; rated for 345,200 BTU
- Double-stage design maintains constant gas pressure under changing demand and conditions
- Allows removal of the empty cylinder for refill without interrupting propane supply; includes 2 of the 12-inch pigtails to connect the regulator to the propane tank or propane supply
- For RVs with dual propane tanks; it automatically switches from primary to reserve tank when the primary tank is empty
- Pairs well with our 48 Inch Thermo Plastic Hose, item 100383-48
- Inlets are 1/4" SAE inverted flare and outlet is 3/8" NPT female pipe thread; rated for 345,200 BTU
- Double-stage design maintains constant gas pressure under changing demand and conditions
- Has integral first and second stages that ensure smoother, more consistent flow of propane gas to all RV appliances Inlet: POL tank connection Outlet: 3/8" Female NPT
- Outlet pressure: 11"WC Horizontal Style with POL
- 160,000 BTU/HR POL valve connection to allow for easy hookup
- Double stage design maintains constant gas pressure under changing demand and conditions
- Durable and easy to use
- Combines both a high pressure first stage and a low pressure second stage regulator into one unit
- Ideally designed for RV applications, these regulators ensure a smooth and continuous flow of gas to all appliances
- 1/4" FPT Inlet
- 3/8" FPT Outlet
- 9:00 Vent Position
- 1/4" FPT Inlet x 1/4" FPT Outlet
- 500,000 BTU/Hr or 30 PSIG based on 100 PSIG inlet
- Primary use, dual bottle with distant separation applications
- Ideal use where PSIG rather than W.C. is needed
- Allows removal of an empty cylinder for refill without interrupting propane supply
- For RVs with dual propane tanks; automatically switches from primary to reserve tank when primary is empty
- Compatible with Flame King's 48-inch Thermo Plastic Hose, item 100383-48, and 12-18 inch Pigtails - E12INPT, E15INPT or E18INPT
- Inlets are 1/4" SAE inverted flare and outlet is 3/8" NPT female pipe thread; rated for 345,200 BTU
- Double-stage design maintains constant gas pressure under changing demand and conditions
- Type: Fixed / PSI
- Max. Inlet Pressure: 250 PSIG (17, 2 bar)
- Inlet Connection: 1/4" FNPT
- Outlet Connection: 1/4" FNPT
- Orifice Diameter: 0. 0625"
- Upgrade Design: The RV propane regulator allows you to hook up 2 propane tanks and automatically switches from the primary to the reserve tank when the primary is empty and vice versa. The indicator will changes color to let you know when a tank has been depleted and needs to be refilled. The regulator ensures that your propane gas is always at the right pressure, providing consistent and efficient performance.
- Propane Hose: The RV pigtail hose with propane tank gauge is made of durable stainless steel braided, with weather resistance, anti-aging, air tightness, heat-resistance, and flexibility features. Can lets you know how much liquid is left without shaking the propane tank and can detect leaks. Our Auto changeover LP propane regulator with hose is the ideal solution for maintaining a safe and reliable propane gas supply for your RV, camper, or other propane-powered appliances.
- Specification & Material: The RV propane regulator with hose is made from high-quality brass material that is built to last. This ensures that the regulator is not only durable but also corrosion-resistant, making it ideal for use in outdoor environments. Master cylinder capacity 210,000BTU/hour; reserve cylinder 130,000BTU/hour, double stage design maintains constant gas Inlets are 1/4"SAE inverted flare and outlet is 3/8 "NPT female pipe thread.
- Wide Application: This 2-Stage auto changeover LP propane gas regulator for RV with two 18-inch pigtails RV propane gauge hoses set, is suitable for RV with dual propane tanks. The regulator can be used with any propane-powered appliance, making it a versatile and cost-effective solution for all your propane needs. Whether you're a weekend warrior or a full-time RV enthusiast, our propane regulator is the perfect tool for your propane-powered lifestyle.
- Precise Control: The propane regulator with gauge features excess flow protection and an automatic shut-off valve, which helps prevent leaks and other safety hazards. With our Auto Changeover LP Propane Regulator, you can easily adjust the pressure of your propane supply to ensure your appliances run smoothly and efficiently. This gives you greater control over your propane usage.
- 🔥【Function Upgrade】Connect two propane tanks at once with Alloxity's 2-Stage regulator,won't stop working because one of them is out of gas, automatically switches from primary to reserve tank when primary is empty.At the same time, you can use the rotary pointer to designate one of the tank to work on, and the indicator changes color to let you know when a tank needs to be refilled.
- 🔥【High-Quality Materials】Made of 100% solid brass, Alloxity's propane hose and regulator are durable and long-lasting. The RV pigtail propane hose is made of stainless steel braided material, ensuring air tightness and stability. All fittings are CSA certified.
- 🔥【Specification & Parameters】Alloxity's RV propane regulator has a primary cylinder capacity of 210,000 BTU/hr and a reserve cylinder capacity of 130,000 BTU/hr. Inlets are 1/4" SAE Inverted Flare, Outlet is 3/8" Female NPT. RV pigtail propane hose has a 1/4" Male Inverted Flare and QCC1 Fitting.
- 🔥【Versatile Application】Suitable for RVs, campers, and travel trailers with dual propane tanks. These 18" RV pigtail propane hoses with 2-stage propane regulator can connect dual 5-40 lb refillable propane tanks or LP gas tanks to your camper's 1/4" inverted male flare. Replace any existing automatic changeover regulator on your current RV, Travel Trailer, Camper, maintains constant and continuous gas.
- 🔥【Package List】Includes 1 PC 2 Stage Auto Changeover RV Propane Regulator, 2 pack 18'' Stainless Braided QCC1 1/4" Inverted Male Flare RV Pigtail Propane Hoses with Gauge, 1 PC Roll Sealing Tape, and 1 PC Wrench. If for any reason you are not satisfied with our products after receiving them within 2 years, simply contact us for a Free Replacement or Refund. Our Customer Service will solve your problems within 24 Hours.
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