Float Box with Sight Glass
Float Box with Sight Glass Float Box Divided Flat Pan with Optional Float Box Divided Flat Pan with Optional Float Box Badgerland Float Box Connection Float Box w/ Cosmetic Defect Smoky Lake pans, float box and thermometer video video

Inlet Float Box


These premium, mirror finish stainless steel float boxes regulate sap levels in your pan.


  • Float
  • Float Box
  • Sap Level Micro-Adjuster
  • Connection Fittings
  • Drain Port with Valve

NOTE: The Deluxe Sight Glass shown in the photo is an optional upgrade.

Which Type of Pan Do You Have? * 

This will determine how the float box attaches to the pan.

Which Type of Inlet Port is on Your Pan? * 

If you will be connecting this Float Box to a Smoky Lake Divided Pan or Hybrid Pan, the pan’s sap inlet port is going to be a stainless steel, female fitting. Depending on when the pan was made, this fitting could be one of two lengths. Please measure it as shown in the image below. We will need to know the length to ensure that your Float Box fits up perfectly. If you have a Pan Set, select “Sanitary Clamp Fitting”.
Inlet Port on Flat and Hybrid Pans

Is Your Pan’s Sap Inlet Port on the Left Side or the Right Side? * 

When you are facing the front of your evaporator, is your Float Box attached on the right side or the left?

Optional Upgrade

Our Deluxe Sight Glass helps determine the depth of sap in your pans. This is especially helpful during a strong boil. The Smoky Lake Deluxe Sight Glass is fully drainable.


Smoky Lake’s 22 gauge, mirror finish stainless steel float box monitors sap levels in your flue pan and keeps them constant. They can be mounted on any Smoky Lake pan (Raised Flue, Drop Flue, Hybrid or Flat Pans) and they come with all the applicable fittings you will need for hook up. The float box’s regulator contains five major depth settings as well as a micro adjustment for precise fine tuning. The float itself is balanced and steady. No sloppy bouncing or wobbling! Outstanding craftsmanship. Made in America.

Smoky Lake Hybrid Pans have a built-in hanger from which you can hang the float box. Whereas float boxes for Flat/Continuous Flow pans are designed to hang onto the rim of the pan. For a custom fit float box/fittings, please contact us for a quote.

Optional Upgrade: Add Deluxe Sight Glass


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