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Old 03-15-2018, 07:16 PM   #1
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Tank heater switch

Does any one know what tank this is for? Thanks
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Old 03-15-2018, 07:19 PM   #2
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when someone says tank heater switch, I think 12 volt holding tank heaters for cold weather.
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Old 03-15-2018, 07:23 PM   #3
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Who knows? They may all be different.

What unit do you have?

On my Wildcat, one tank heater switch is rumored to turn on the tank heater for all 4 of my tanks --- 1 fresh water, 1 black water, 2 gray water tanks.
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Old 03-16-2018, 01:31 AM   #4
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Have no idea without a pic.
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Old 03-16-2018, 05:06 AM   #5
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What brand and type of RV do you have? On my Coachmen Concord the tank heater switch turns power on to all three heater pads (2 gray and one black tank). Also take note, that at least on my unit, the pads are thermostatically controlled and won't actually come on until the temps drop below ~45F. I use an non-contact infrared thermometer to check if they are actually working.

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Old 03-16-2018, 06:24 AM   #6
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On our V-Lite the (1) switch marked "Tank Heaters" turns on (4) tank,(3) elbow,and (2) strait run pipe Heaters! After deployment they are Automatic On/Off controlled by Temp! Youroo!!
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Old 03-17-2018, 08:01 AM   #7
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tank heater switch

The TT is a 2017 Rockwood 2715VS. Does the tanks half to be full before turning switch on? Does anybody know what tank, fresh,.
gray or black.
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Old 03-17-2018, 08:12 AM   #8
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The Heat Pad MFG says,Liquid needs to be in tanks,so if only (1) switch for several tanks I would take that to mean "Liquid in All Tanks"! Youroo!!
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Old 03-17-2018, 08:20 AM   #9
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Quote:
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The Heat Pad MFG says,Liquid needs to be in tanks,so if only (1) switch for several tanks I would take that to mean "Liquid in All Tanks"! Youroo!!
Find out which brand heater pads you have. The ones on my Concord are the Thermaheat brand and they say you don't have to have water in the tank(s). According to the manual the thermostat kicks in at 45F and off at 67F. The Thermaheat pads are made by LaSalle Bristol.

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Old 03-17-2018, 08:22 AM   #10
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The TT is a 2017 Rockwood 2715VS. Does the tanks half to be full before turning switch on? Does anybody know what tank, fresh,.
gray or black.
Think about your question. What would stop the freezing with a 1/2 full tank?

The heaters won't thaw a tank. They help prevent freezing.
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Old 03-17-2018, 08:28 AM   #11
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Thanks,new TT for us,trying to figure out all the new thing in it. Hope I don't need tank heaters
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Old 03-17-2018, 09:24 AM   #12
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Thanks,new TT for us,trying to figure out all the new thing in it. Hope I don't need tank heaters
Not a problem just stay south of the Mason Dixon line in the winter. WAY south this year.
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Old 03-17-2018, 12:23 PM   #13
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Originally Posted by wahoonc View Post
Find out which brand heater pads you have. The ones on my Concord are the Thermaheat brand and they say you don't have to have water in the tank(s). According to the manual the thermostat kicks in at 45F and off at 67F. The Thermaheat pads are made by LaSalle Bristol.

Aaron
The Heat Pads used on Rockwood as the OP has and Flagstaff as ours is, use "UltraHeat Products"! The MFG says "DO NOT use without Liquid in Tanks/Valves/Pipes"! This information is on their Web Site! Youroo!!
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Old 01-23-2021, 04:09 PM   #14
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Can the heated tank switches on with little or no liquid in the tank and why 2 switches? We have a FR Salem 2020 trailer.
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Old 01-24-2021, 07:30 AM   #15
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Quote:
Originally Posted by wahoonc View Post
Find out which brand heater pads you have. The ones on my Concord are the Thermaheat brand and they say you don't have to have water in the tank(s). According to the manual the thermostat kicks in at 45F and off at 67F. The Thermaheat pads are made by LaSalle Bristol.

Aaron

I leave mine on, Im plugged in at home so no problem with my 12volt system, Im also a believer that having them on helps with heat being they are on the built in tanks being a motor home not the same as a travel trailer which many have there tanks exposed. I agree with Aaron , I dont need liquid in them , but I do keep some in. Read or look up what is recommended for your brand of RV,
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