The cooler steam pipe completely surrounds and insulates the extremely hot inner smoke pipe, allowing you zero clearance to combustibles and making a safer environment in the sugarhouse.
The hot inner smoke pipe dramatically increases the natural draw of the steam pipe. This creates a negative pressure inside the steam hoods, thus reducing steam in the sugarhouse.
The steam exhaust surrounds the inner smoke pipe. This will greatly reduce fire danger by immediately extinguishing hot embers and sparks as they enter open air.
The Concentric Exhaust System allows for only one roof penetration, instead of two or even three. This will reduce the potential for roof leaks and snow jams.
The Concentric Exhaust System requires only one roof jack for roof penetration and one stack cover. Other systems require two or even three. Each roof jack costs $400 – $500, each stack cover costs about $200. The savings in roof jack expense and stack cover expense normally covers the expense of this upgrade; or more than covers it.
The horizontal pipe extending from the top of the hood to the tee fitting is a removable strap stack. This makes hood removal many times easier than a normal scenario where the weight of the long vertical stack pipe is resting on the hood.
On the outer pipe — located at the bottom of the tee fitting — is a condensation drain. This will control any water that might develop in the pipe from condensation and will also control and evacuate any rain water that might enter the system from above the roof. This prevents moisture from running down onto the arch and causing rust as it would with a traditional system.
This Is What It Boils Down To™…Builder Spec Sheet