You can use propane in an RV for cooking, heating, and keeping the refrigerator cool. However, you’ll eventually need to recertify your propane tanks, or you can’t refill them.
You want to stay on top of your propane tank’s certification to avoid getting into a pickle when you need to fill your tanks. Luckily, the process of recertifying propane tanks is relatively easy.
The most common way to recertify your RV Propane tanks. This test uses a water jacket hydrostatic test to pressurize the tank at twice the recommended service pressure.
If the technician uses the proof-pressure method to recertify your propane tank, it will be suitable for an additional seven years.
This test is the least effective method, but many technicians know what to look for when visually inspecting RV propane tanks.
Many of the local propane refill stations will not offer this service. You need to look for bulk distributors like Amerigas and other services companies.