Steve Savage submitted this article to RVtravel.com when he was a Master Certified RV Technician with Mobility RV Service. Every year folks ask me questions about winterizing, and every year I go through the same steps. I try to keep things as simple as possible, but some folks just seem to want to try doing things that do not work. Here are the things that DO NOT work 1. It does not work to simply open faucets to allow for expansion. Opening a faucet does nothing to alleviate freezing in the faucet valve body, which is where freeze damage occurs. 2. It does not work to simply open low-point drains. Most low-point drains are virtually worthless in draining the system, unless you are using a compressor to force the water out through them. 3. It does not work to open cabinet doors and keep an electric heater going. In many RVs the furnace has to run to get heat to the water lines under the floor. An electric heater will protect what is above the floor, but not what is below the floor. 4. You cannot drain enough water out of the water heater to avoid freezing by simply opening the temperature/pressure release valve at the top of the water heater. Here are the things that DO work These are the steps I would recommend once you have made sure the fresh water tank and holding tanks are drained or nearly drained: 1. Drain the water heater by removing […]