August 27, 2021 NHTSA CAMPAIGN NUMBER: 21V670000
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: 21V670
Manufacturer KZRV, L.P.
Components EQUIPMENT
Potential Number of Units Affected 34,345
Summary
KZRV, L.P. (KZRV) is recalling certain 2018-2022 Camplite, Confluence, Connect, Connect SE, Connect Lite, Durango, Durango Gold, Durango Half Ton, Durango Sport, Durango 1500, Quicksilver, Sonic, Sonic X, Sportsmen, Sportsmen FW, Sportsmen LE, Sportsmen SE, Sportsmen Sportster, Sportster, SportTrek, SportTrek Touring, Spree, Stratus, Venom, and Venom V Series recreational vehicles, equipped with Winntec model 6020 two-stage propane regulators. The regulator may fail, causing an increase in propane pressure.
Remedy
Dealers will replace the regulator and pigtail hoses, free of charge. Owner notification letters were mailed June 3, 2022. Owners may contact KZRV customer service at 1-800-768-4016 ext. 154 or 153. KZRV’s number for this recall is KZ-2021-05.
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.
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. KZRV has decided that a defect which relates to motor vehicle safety exists in certain 2018 2022 Camplite, Confluence, Connect, Connect SE, Connect Lite, Durango, Durango Gold, Durango Half Ton, Durango Sport, Durango 1500, Quicksilver, Sonic, Sonic X, Sportsmen, Sportsmen FW, Sportsmen LE, Sportsmen SE, Sportsmen Sportster, Sportster, SportTrek, SportTrek Touring, Spree, Stratus, Venom, and Venom V Series. As a result, KZRV is conducting a safety recall. We apologize for any inconvenience this action may cause you; however, your safety and continued satisfaction are of the utmost importance to us.
Reason for this recall
The vehicles subject to this recall were built with a Winntec model 6020 propane regulator that may have a faulty secondary rubber seal. This malfunction may result in propane pressures that exceed the propane appliances design limits and/or may be venting propane to the atmosphere which and could result in a fire that results in personal injury or death.
What we will do
The remedy is to replace the existing regulator with a new regulator. The repair should take approximately 30 minutes to complete. This repair will be done at no cost to you.
What we need you to do
You should contact your selling dealer immediately to schedule a service appointment to have the defect repaired in your vehicle. If you have questions concerning this recall or if you need any assistance, please contact the KZRV Warranty/Service Department by mail at KZRV, L.P., 0985 N 900 W, Shipshewana, IN 46565, or by phone at (800)768-4016 ext. 154 or 153.
If you had appropriate repairs completed prior to receipt of this recall notice, and if you incurred any direct cost in connection with obtaining such repair, you may be eligible to receive reimbursement from KZRV by contacting the KZRV Warranty/Service Department.
If after contacting KZRV 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 https://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 apologize for any inconvenience this action may cause you; however, your safety and continued satisfaction are of the utmost importance to us.
Thank you for your attention and cooperation in this matter.
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.
8/23/21 – KZ RV Safety Committee meets and decides to issue the recall.
21E081 – Possible LP Regulator Failure – Winntec & WIC Model 6020 LP Regulators
21E081 – Possible LP Regulator Failure – Winntec & WIC Model 6020 LP Regulators
125 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| KZRV | CAMPLITE | 2018-2022 |
| KZRV | CONFLUENCE | 2018-2022 |
| KZRV | CONNECT | 2018-2022 |
| KZRV | CONNECT LITE | 2018-2022 |
| KZRV | CONNECT SE | 2018-2022 |
| KZRV | DURANGO | 2018-2022 |
| KZRV | DURANGO 1500 | 2018-2022 |
| KZRV | DURANGO GOLD | 2018-2022 |
| KZRV | DURANGO HALF TON | 2018-2022 |
| KZRV | DURANGO SPORT | 2018-2022 |
| KZRV | QUICKSILVER | 2018-2022 |
| KZRV | SONIC | 2018-2022 |
| KZRV | SONIC X | 2018-2022 |
| KZRV | SPORTSMEN | 2018-2022 |
| KZRV | SPORTSMEN FW | 2018-2022 |
| KZRV | SPORTSMEN LE | 2018-2022 |
| KZRV | SPORTSMEN SE | 2018-2022 |
| KZRV | SPORTSMEN SPORTSTER | 2018-2022 |
| KZRV | SPORTSTER | 2018-2022 |
| KZRV | SPORTTREK | 2018-2022 |
| KZRV | SPORTTREK TOURING | 2018-2022 |
| KZRV | SPREE | 2018-2022 |
| KZRV | STRATUS | 2018-2022 |
| KZRV | VENOM | 2018-2022 |
| KZRV | VENOM V SERIES | 2018-2022 |
6 Associated Documents
Recall Acknowledgement
RCAK-21V670-9159.pdf 652.831KB
RCAK-21V670-9159
Defect Notice 573 Report
RCLRPT-21V670-5141.PDF 223.319KB
RCLRPT-21V670-5141
Miscellaneous Document – Chronology
RMISC-21V670-6106
ISSUED Interim Owner Notification Letter(Part 577)
RIONL-21V670-4224.pdf 229.748KB
RIONL-21V670-4224
Recall 573 Report – Amendment 1
RCLRPT-21V670-7529.PDF 223.372KB
RCLRPT-21V670-7529
ISSUED Owner Notification Letter(Part 577)
RCONL-21V670-3251.pdf 234.547KB
RCONL-21V670-3251
Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V670&docType=RCL
- 262,500 BTU's Per Hour Capacity.
- Set at standard propane low pressure - 11" Water Column.
- If you do not know what you are purchasing or are unfamiliar with installation please do not purchase this product.
- The Auto-Changeover LP Regulator allows you to hook up 2 Propane tanks - the regulator will automatically switch over to the second tank once the first one runs out.
- Mounting screws not included.
- Inlet: 1/4" Female NPT. Fit for pigtails with 1/4" NPT thread.
- Outlet: 3/8" Female NPT.
- Outlet Pressure: 11" W.C.
- For vertical mount applications. Mounting holes are NOT tapped, please use self-tapping screws.
- 165,000 BTU/hr
- 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 empty cylinder for refill without interrupting propane supply
- Inlets are 1/4" SAE inverted flare and outlet is 3/8" NPT female pipe thread
- For RVs with dual propane tanks. Automatically switches from primary to reserve tank when primary is empty
- Primary cylinder 210,000 BTU/hr capacity; Reserve cylinder 130,000 BTU/hr
- 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
- This hose with low pressure regulator can be used to connect RV portable grill which equipped with 1/4" female quick connct adapter to 5lb - 40lb QCC1/Type 1 propane tank
- Replacement for potable grill with 1/4” Full Flow Male Adapter Plug, such as Olympian 5100, 5500 RV tabletop grill
- If you have installed a 1/4” male quick connect plug on your portable appliance, the hose will work. It is designed to be used only with low-pressure gas appliances
- 12 feet extra-long hose can expand your use space, allows you the option of grilling at safe distances from your RV
- High quality brass fitting, provides secure, airtight connection between RV grill and gas bottle
- Maintains a constant 11" WC propane pressure
- 200,000 BTU/HR
- For connecting free standing gas bottle to low pressure gas appliances
- 1/4" Female NPT (Inlet) x 3/8" Female NPT (Outlet)
- UL Listed
Last update on 2022-09-29 / Affiliate links / Images from Amazon Product Advertising API
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