From reading the paperwork that we got from the original owner of our rig, the "Artic Pack" consists only of heaters for the grey and black tanks. When you consider that FR can't even spell "Arctic" you have to wonder. There's no mention in any of the documentation of additional insulation.
We got the manufacturer's "owner manual" for the system. Our 32-footer has two heating pads on each holding tank (nothing on the potable water tank). Each pad is powered by the 12Vdc system and each draws 7 amps. From my viewpoint a drain of 28 Amps on the house batteries is significant.
According to the info, the non-adjustable thermostat switches the elements on when the temperature of the tank contents drops to 40F and off again when it has heated to 60F. Who needs to heat the sewage up to 60 degrees? On at 35 and off at 40 degress would make more sense.
I'm also concerned about what would happen if an empty tank was hit with 84 watts of energy over a relatively small area. Melt through would be a concern. I decided to disconnect the system to prevent any grief. We don't camp in very cold weather, so the system is of no use to us.
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Frank and Eileen
No longer RVers or FR owners
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