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-   -   Cleaning a Therminator (http://www.homebrewtalk.com/f14/cleaning-therminator-202659/)

Dave258 10-26-2010 01:13 PM

Cleaning a Therminator
Bought a used therminator from someone here, he said it had been shelved for a year.
I can't seem to get the thing totaly cleaned out. It is driving me crazy.
First I boiled it for a half hour, then ran hot water through the backflush hose to get out anything that came loose. Yesterday I cycled 10 gallons of hot PBW through it for at least a half hour followed by a 20 minute rinse with hot water and a star san rinse after.
There is still stuff coming out of it. I am trying to get it ready for a brewday on Monday.
What's the best way to get all the stuff that has been sitting in it for a year out? And then how do I know that it is completely clean?

samc 10-26-2010 01:25 PM

Bake in oven on high temperature, cleaning cycle if you have it. You will most likely discolor it but everything inside will turn to ash and flush out.

Dave258 10-26-2010 01:29 PM

I am assuming that once I get this year old stuff out, and start using this regularly, running hot PBW through it and rinsing with hot water right after brewing will be sufficient. No need to bake it everytime, is there?

passedpawn 10-26-2010 01:54 PM

I've never baked mine. I run some oxyclean into it and let it sit for a few days after every brewday. Then drain.

At least 30 batches through there, never had any restriction or other problem with it.

Dave258 10-26-2010 02:07 PM

That's with regular cleaning. This crude has been sitting in it for a year.

samc 10-26-2010 02:23 PM

It isn't that it has sat for a year. It is that too much hop material & trub got past the filtering or more than likely no FB or hop bag was used. I spent 4 hours trying to clean mine after the FB came loose and let leaf hops into mine, baking it was the only thing that finally got it free and clear. As long as you stop the stuff from getting in you should not have to bake it.

Dave258 10-26-2010 04:18 PM


mpruett 10-27-2010 05:43 PM

I'm guessing that if you don't have an oven, but do have a gas grill, you could just cook it on full-tilt for a while. That's my plan for my next brewing session; I'm going to toss my plate chiller on the grill and heat up to 700 or so for a while, and let cool. Then I'm going to rinse it out with water or maybe oxiclean, and then bake in the oven @ 350 for an hour.

GilaMinumBeer 10-27-2010 05:46 PM

I use Acid Number 5. Pricey, dangerous, but effective.

jordanpace 10-27-2010 05:57 PM

if you have a pump,run pbw through it for a few hours with warm water.

sanitize same way with 5 star or boiling water for 20 min or so...(thats what i do between long brewing breaks)

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