When fall is just around the corner and the temperatures are dropping, it might be time to crank up your RV furnace to keep you toasty warm. But before you flip the switch, how can you be sure your furnace is safe?
To ensure the safety and proper operation of your RV propane furnace, it is essential that you do a complete once-over of all your furnace components before you start using it for those cold nights. Here are 12 steps to keeping your RV furnace functioning.
Read the Manual
First of all, and you probably did this when you purchased your RV, read through the manufacturer’s manual for your furnace. The manual will give you specific information on maintenance, troubleshooting, and safety guidelines.
Inspect Exterior Ventilation
Proper ventilation is crucial to prevent carbon monoxide buildup, so with the furnace off, go outside and check the exterior exhaust ports for any obstructions like leaves, debris, or insect nests. If you don’t have them already, consider placing screens over the exhaust ports to prevent insects from getting in there. Wasps love these little hiding places and con easily build a nest.
Inspect Exhaust Area
Make sure the outside exhaust area is free from external obstructions like outdoor furniture, clothing, hanging towels, or any combustible materials. The exhaust ports can get quite hot, so you don’t want it damaging your belongings or run the risk of starting a fire.
Test Carbon Monoxide Detector
Every RV should have a CO detector somewhere inside the RV, usually low and close to the floor. If you don’t have one, get one! Also, these detectors generally last about 7 to 8 years, so if yours is older than that, you should replace it. So, with that said, if you have an up-to-date detector, you want to test it to make sure it’s working correctly. To do this, simply press the test button until you hear the earpiercing alarm. Make sure the lights on the detector also go off. Lastly, many detectors are hardwired, but some are battery operated, so be sure to replace the batteries if needed.
Check for Gas Leaks
Make sure the propane from your main tank is turned on, check for any gas leaks around the furnace connections, pipes, and fittings. You can use a soapy solution (water and dishsoap) to spray on the fittings and check for bubbles. But I’ve found that using a gas leak detector to be quick and easy. They are inexpensive, usually found at most hardware stores, and it should be a part of your RV tool box. If you detect a leak, turn off the gas supply immediately and have it repaired by a professional. Don’t skimp on this test. A gas leak is probably the most dangerous situation for an RVer.
Clean or Replace Filters
Clean or replace the furnace’s air filters according to the manufacturer’s recommendations. Clogged filters can reduce efficiency and airflow.
Inspect Burner
Remove the exterior cover on your furnace and check the burner assembly and ignition system for signs of corrosion, rust, or debris. Clean these components if necessary.
Intake Vent
Make sure that the intake vent is clean and not blocked. Remove any furniture or items away from the vent. Vacuum the vent to remove any dust that has built up over the year.
Inspect the Flame
With the outside cover still off, and while the furnace is running, observe the color and shape of the flame. A blue flame with a stable pattern indicates proper combustion. If the flame is yellow or irratic, it often means you may have a blockage such as debris or cobwebs inside the burner tube. Cleaning the tubes usually requires disassembly of your furnace. If you’re qualified and comfortable doing this yourself, go for it. Otherwise, contact a qualified RV tech to do the repairs before using your furnace.
Check the Thermostat
Once all your inspections or repairs are complete, and it’s operating correctly, turn on the furnace and test the thermostat to ensure it’s functioning correctly. Make sure it’s set to the desired temperature and that the furnace starts and stops as expected.
Professional Inspections
Every couple of years, schedule regular maintenance and safety inspections with a qualified RV technician or propane service provider. They can perform more in-depth checks and address any issues you might have missed.
Emergency Procedures
Familiarize yourself with emergency procedures, such as how to shut off the propane supply and evacuate the RV in case of a malfunction or gas leak
By following these steps and maintaining your RV propane furnace regularly, you can ensure safe and efficient operation during your travels. Always prioritize safety when dealing with propane appliances.