Po-boy sap preheater. Simple cheap.

[Sandersyrup]

Basically it's a $7 immersion water heater. I have it sitting in a aluminum kettle thing I had around the house. My feed line drips into it and gets heated by the immersion coil and then the kettle overflows into the evaporator at almost boiling. 200 W

It is however an electric appliance very close to a lot of heat and water. I have mine held up by heavy gauge wire from the ceiling of the shack. http://tapatalk.imageshack.com/v2/15/03/20/76018673bc085105d72a907db676c93c.jpgBut it works!

Keep in mind that the faster the flow rate the lower the temp. So this would not work for much more than a very very fine stream.



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[mellondome]

For the cost in electric you are spending to preheat... are you gaining anything?

[Sandersyrup]

Good question. I suppose its mostly novelty. I actually do wonder how much it actually helps. Not much is my guess.


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[AFH]

When we boiled our own a few years ago in a flat pan we just used about 10ft of 3/16 copper tubing coiled around over the pan. Sap came out at a trickle and hit the pan at about 170 or so better than nothing and it cost nothing to run.

[pennslytucky]

its only 200 watts. it doesnt take any more electric than the lights being on i bet. notice a difference in evaporation rate?