Gas-Fired Evaporator with Regulator and Stack Pipe Included
Gas-Fired Evaporator with Regulator and Stack Pipe Included Gas-Fired Finisher/Evaporator video

2′ x 4′ Gas-Fired Finisher/Evaporator (Without Pan)

From: $1,485.00

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This is a handcrafted item made just for you!

This is a handcrafted, table-top propane finishing unit containing FIVE Smoky Lake LP jet burners. The high quality arch body is fully insulated, which guarantees superior efficiency and a definite “wow” factor while boiling. The unit is applauded for its great functionality and high performance.

(Please note: Chimney Pipe, Chimney Elbow and Gas Regulator (LP) ARE included, but not shown in the photo. If you are seeking a full unit WITH pans included, please see our FULL evaporator page.)

Some Assembly May Be Required

SKU: SL-JB2448-CUSTOMIZE Category:


The 2′ x 4′ Gas fired burner system will consume about 9 lbs of LP per hour at a moderate rate of fire. At this rate the pan will be evaporating around 10–12 gallons per hour.  This is a very efficient way to boil sap with gas!

On maximum fire, the 5 burners on the 2′ x 4′  burner set are capable of consuming up to 16 lbs of LP at which rate the evaporation rate increases disproportionately to about 15 gph.  Moderation and fine tuning are important if you’re using this system as your primary evaporator.  A pressure gauge on the burner manifold makes this quite easy.  Likewise, a marginally lower firing rate will be more fuel efficient, but with a slightly lower evaporation rate.

Natural Gas Conversion

2 PSI is required if you opt for the natural gas version of this burner. Your home will have a 2 PSI service to the meter outside, but is likely reduced to 1/4 PSI before entering the house. Many people have converted the service at their home in order to run our 2 PSI system. This conversion is done by your gas supplier for no cost. However, after the service is upgraded to 2 PSI, it will be your responsibility to put a local 1/4 PSI regulator before each of the appliances in your home (water heater, furnace, etc.) This might cost anywhere between $200 and $500 depending on if you hire this work out or do it yourself.

In many cases, it is more straight forward and cost effective to use propane.  The propane model has a wider range of heat and also slightly more top end power.  The LP model is an excellent system.


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