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Old November 18th, 2012, 09:08 PM
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Default RO without heat

I have read a ton of discussions about ROs and how they need to be in a heated room so they do not freeze. My question is if there is an RO that can be drained or otherwise does not need to be in a heated room so it may be suitable for the small producer.

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Old November 18th, 2012, 09:18 PM
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Ray Gingrich had a small RO on a cart at LEME that you could push it in the house to keep it from freezing.
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Old November 18th, 2012, 09:21 PM
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LOL... Merna is going to just love that sitting in the kitchen for 6 weeks.
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Old November 18th, 2012, 09:32 PM
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Quote:
Originally Posted by Bryan Ex View Post
LOL... Merna is going to just love that sitting in the kitchen for 6 weeks.
In the house for only 6 weeks... I would use it for a end table in the offseason. LOL
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Old November 18th, 2012, 10:11 PM
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cdl makes one, its 250 gals per hr . Isee one at the rutland vt store durring open house weekend. just drain at end of day and wont freeze acording to garth atherton.
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Old November 18th, 2012, 10:21 PM
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My wife would rather look at the RO for 6 weeks than me. Draining the ro is easy its keeping the membrane warm. The membrane can be drained but what is left can freeze and cause damage to it. My question is if you dont have heat then you must have a gas powerd unit. Can you concentrate in the garage and haul to the evap.
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Old November 19th, 2012, 06:55 AM
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there is on i saw at bascoms and i think it is that cdl one that they have in 125 gph and 250 gph, it sits on top of a tank so you can drain in right into the tank when your dont, i believe it says you dont need to keep it in a heated room
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Old November 19th, 2012, 07:25 AM
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Bryan; Mine sets in a unheated garage. When season starts and we put the membrane in I take three pieces of styro board set them around the unit and set a small 1300 watt electric heater in front blowing on the bottom of the unit .The heat rises and keep the unit from freezing. Internal temp will read from 45-55 degree. Never had a problem. You must have electric close by since you are talking about using an RO.
Works for us

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Old November 19th, 2012, 07:48 AM
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CDL's 100-250 are designed to be drained so that they don't have to be heated. Another good advantage of these units are they are designed to run 110v power and a 20 amp breaker perfect for the hobby producer. I will be using the bigger unit this year for the first time but we are planning on heating the room. These units do have down falls they have no recirc pumps so the flow rates are slower and they don't have a built in wash tank. All in all these RO's are not designed for the big producers but do fit a growing nitch market pretty well. If you have anymore questions please ask I did heavily research these plush I have one I can run and take a look at.

P.S. As much as this post sounds that I am pro for this RO I actually didn't want to get this one but I lost that battle with the old man.
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Old November 19th, 2012, 10:42 AM
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After reading the posts They all have solutions to a few unanswerd questions.

1 if you have power to run RO why not use it to heat RO.
2 if you dont have an enclosed sap shack why not build a insulated cabinet?
3 if your running your RO in below freezing temps can any part of the unit freeze during use.
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