Furrion Instant Hot Water in Cold Weather
I've been couch surfing various new RVs. Grand Design has switched some units to tankless instant hot water heaters. It appears that they are required to be winterized and NOT used in sub 39F condit...
Forum Discussion
My 5er has a Girard tankless water heater which has an adjustable temp control which allows water temps up to 131* and a built-in thermostat that starts the burner whenever the heat exchanger falls below 38* and heats to 58*. This works as this past Dec. we camped with overnite temps to 9* with no problems. Suggest the op's friend check his wh docs to see if his is so equipped.
