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June 4, 2021 NHTSA CAMPAIGN NUMBER: 21V428000
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: 21V428
Manufacturer Heartland Recreational Vehicles, LLC
Components EQUIPMENT
Potential Number of Units Affected 22,326
Summary
Heartland Recreational Vehicles, LLC. (Heartland) is recalling certain 2018-2021 Mallard, Shadow Cruiser, Sundance XLTTT, Wilderness, Prowler, Trail Runner, 2018-2019 Pioneer, Terry Classic, 2020-2021 Lithium, and 2021 North Trail trailers equipped with a Winntec model 6020 two-stage propane regulator. The regulator may fail, causing an increase in propane pressure.
Remedy
Dealers will replace the regulator and test the propane system for leaks, free of charge. Owner notification letters were mailed August 3, 2021. Owners may contact Heartland customer service at 1-877-262-8032.
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.
21v428 Winntec Regulator Inspection/Replacement
T.C. 2021-364
- Locate LP tanks at front of unit and remove cover to access regulator.
- Locate date stamp on left front of regulator. If stamped N 20 xx this will be inspect only and picture will need to be provided of date stamp. If stamped N 17 xx, N 18 xx or N 19 xx the regulator will need to be replaced.
- To replace regulator, make sure LP bottles are turned off by turning knobs clockwise and disconnect pig tail from LP bottles.
- Remove regulator from threaded rod.
3/4” wrench
7/8” wrench
- Once regulator is removed, using a ¾” wrench remove the brass fitting at the bottom of the old regulator that the LP line connects to and install on the new regulator with new pipe compound or thread tape. DO NOT USE PIPE COMPOUND OR THREAD TAPE ON FLARED FITTINGS
- Reinstall regulator on threaded rod and reconnect pig tails.
- Once replacement is complete a drop pressure test will need performed.
- REGULATOR MUST BE RETURNED!! PLEASE USE BOX THAT NEW REGULATOR WAS SHIPPED IN.
Tools and material need for repair:
3/4” wrench
7/8” wrench
Pipe compound or Thread tape
Inspection of the Winntec Model #6020 LP Regulator
1. Locate LP tanks at front of unit and remove cover to access regulator.
2. Locate the LP regulator between the LP Tanks. Only the Winntec Model #6020 – Dual Stage Double Cylinder – Automatic Changeover Regulator is affected.
3. Locate the manufacturing date code stamp on left front of regulator.
4. If the manufacturing date code stamped into the regulator is N 17 XX, inspect the propane system to insure there are no visual or functional issues. If the manufacturing date code stamped into the regulator is N18 XX, N 19 XX or N 20 XX replace the regulator per the instructions below.
5. To replace regulator, make sure LP bottles are turned off by turning knobs clockwise and disconnect pig tail from LP bottles.
6. Remove regulator from threaded rod.
7. Remove the pigtails from the regulator.
8. Remove regulator from the Main LP line.
9. Once regulator is removed, using a 3/4’” wrench remove the brass fitting at the bottom of the old regulator that the LP line connects to and install on the new regulator with new pipe compound or thread tape. DO NOT USE PIPE COMPOUND OR THREAD TAPE ON FLARED FITTINGS!
10. Reinstall regulator on threaded rod and reconnect pig tails.
11. Once replacement is complete a drop pressure test will need performed.
12. Proceed with a Drop Pressure Test:
a. Insert manometer into LP system.
b. Turn on both LP tanks.
c. Turn off both LP tanks.
d. Bleed system down to 8” water column.
e. System must hold 8” water column for a minimum of 3 minutes.
13. Ensure system operating pressure is at 11” (+-0.5) water column with 50% load and lockout pressure does not exceed 14” water column.
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.
5/12/21–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.
5/21/21–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–UFP determines that it supplied parts to Heartland and disclosed this information to Thor Ind.
6/2/21 – Heartland conducts safety committee meeting and decides to move forward with a recall for safety.
21E081 – Possible LP Regulator Failure – Winntec & WIC Model 6020 LP Regulators
21E081 – Possible LP Regulator Failure – Winntec & WIC Model 6020 LP Regulators
SEOCONTENT-START
IMPORTANT SAFETY RECALL
«OWNER»
«STREET»
«CITY», «STATE» «ZIP_CODE»
This notice applies to your vehicle: «WARRANTY ID»
Dear «OWNER»:
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Heartland RV
(Heartland) has decided that a defect which relates to motor vehicle safety on certain 2018-2021 Idaho Mallard, Idaho North Trail, Idaho
Shadow Cruiser, Idaho Sundance XLTTT, Idaho Wilderness, Prowler, Trail Runner, 2020-2021 Lithium, 2018-2019 Pioneer, & 2018-
2019 Terry Classic travel trailers. We apologize for any inconvenience this action may cause you, however your safety and continued
satisfaction are of the utmost importance to us.
The vehicles subject to this recall were built with a model 6020 propane regulator manufactured by Winntec
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 could result in
a fire that results in property damage, personal injury or death.
The remedy is to replace the regulator and pigtails. The repair should take approximately 35 minutes to
complete. This repair will be done at no cost to you.
At your earliest convenience, Please contact your local dealer to set up an appointment to have this
inspected and if needed corrected immediately, this service will be performed free of charge.
You will need the following information for the phone call:
VIN of your travel trailer
Name, Address, and Phone Number
If you have questions concerning this recall or if you need any assistance please contact the Warranty/Service Department by email
at ‘warranty@heartlandrvs.com’, or by phone at 877-262-8032. 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
Heartland by contacting the Heartland Warranty/Service Department.
If after contacting Heartland 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.
Thank you for your attention and cooperation in this matter.
Sincerely,
Heartland RV Service Department
cc: National Highway Traffic Safety Administration (NHTSA)
Reason for
this recall
What we need
you to do
RECREATIONAL VEHICLE
SAFETY RECALL NOTICE
Safety Recall: 21v428
Date: August 1, 2018
What we
will do
**********************************************************************************************************
IMPORTANT SAFETY RECALL
«OWNER»
«STREET»
«CITY», «STATE» «ZIP_CODE»
Attn: Service Manager
Dear Heartland RV Valued Dealer:
This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Heartland RV
(Heartland) has decided that a defect which relates to motor vehicle safety exists in certain Heartland travel trailers manufactured from
2018 to 2021. We apologize for any inconvenience this action may cause you, however your safety and continued satisfaction are of
the utmost importance to us.
On certain 2018-2021 Idaho Mallard, Idaho North Trail, Idaho Shadow Cruiser, Idaho Sundance XLTTT,
Idaho Wilderness, Prowler, Trail Runner, 2020-2021 Lithium, 2018-2019 Pioneer, & 2018-2019 Terry
Classic travel trailers were built with a model 6020 propane regulator manufactured by Winntec 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 could result in a fire that
results in property damage, personal injury, or death.
Instructions for the repair and a list of the affected coaches with their VIN #’s can be found on the warranty portal. Please verify your
stock for any of the affected coaches and if you have questions concerning this recall or if you need any assistance please contact the
Warranty/Service Department by email at ‘warranty@heartlandrvs.com, or by phone at 877-262-8032.
Please have the VIN #’s of the affected travel trailers available when you call.
Federal regulations require that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within
ten days.
Note: It is a violation of federal law (CFR 49 Part 573.11&12) for a dealer to deliver a new vehicle that has been sold prior to
completing this recall. Please be sure to address any vehicles in your inventory that are affected by this recall action.
If you have questions concerning this recall or if you need any assistance please contact the Warranty/Service Department by phone
at 877-262-8032. If after contacting Heartland Customer Service you are still not satisfied we have done our best to remedy this situation,
you may also submit a written complaint to Transport Canada – Road Safety, 80 rue Noël, Gatineau, Quebec J8Z 0A1 or call 1-800-
333-0510.
Thank you for your attention and cooperation in this matter.
Sincerely,
Heartland RV Service Department
cc: National Highway Traffic Safety Administration (NHTSA)
Transport Canada
RECREATIONAL VEHICLE
SAFETY RECALL NOTICE
Safety Recall: 21v428
Transport Canada: 2021-364
Reason for
this recall
SEOCONTENT-END
31 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| CRUISER | SHADOW CRUISER | 2018-2021 |
| HEARTLAND | LITHIUM | 2020-2021 |
| HEARTLAND | MALLARD | 2018-2021 |
| HEARTLAND | NORTH TRAIL | 2021 |
| HEARTLAND | PIONEER | 2018-2019 |
| HEARTLAND | PROWLER | 2018-2021 |
| HEARTLAND | SUNDANCE | 2018-2021 |
| HEARTLAND | TERRY CLASSIC | 2018-2019 |
| HEARTLAND | TRAIL RUNNER | 2018-2021 |
| HEARTLAND | WILDERNESS | 2018-2021 |
13 Associated Documents
Recall 573 Report – Amendment 1
RCLRPT-21V428-5820.PDF 219.561KB
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ISSUED Owner Notification Letter(Part 577)
RCONL-21V428-2744.pdf 135.745KB
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Manufacturer Notices(to Dealers,etc)
RCMN-21V428-3357.pdf 116.001KB
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Recall Acknowledgement
RCAK-21V428-5858.pdf 646.014KB
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Defect Notice 573 Report
RCLRPT-21V428-4690.PDF 213.658KB
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Miscellaneous Document – Chronology
RMISC-21V428-5492.pdf 50.889KB
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Recall 573 Report – Amendment 2
RCLRPT-21V428-4758.PDF 219.631KB
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Recall 573 Report – Amendment 3
RCLRPT-21V428-8406.PDF 219.7KB
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Recall 573 Report – Amendment 4
RCLRPT-21V428-1275.PDF 219.717KB
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Recall Quarterly Report #2, 2021-4
RCLQRT-21V428-1147.PDF 211.251KB
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Remedy Instructions and TSB
RCRIT-21V428-7802.pdf 70.562KB
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Remedy Instructions and TSB
RCRIT-21V428-9940.pdf 215.068KB
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Recall Quarterly Report #1, 2021-3
RCLQRT-21V428-9403.PDF 211.132KB
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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=21V428&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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