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This is a left side view of the complete system.
This is a little closer view of the Mash-tun, Hot-liquor tank. It shows the valving under the vessels. The yellow handled valves on the Hot-liquor tank are where I connect the Counter Flow chillier to sanitize it with circulating boiling water. The blue valves located on the pedestal control the burners under the Mash-tun and Hot-liquor tank. Below them is a speed control for the mash recalculating pump and a SPST switch to control the Hot-liquor tank pump.
This is a close-up of the front of the Hot-liquor tank. It shows the piping. The copper pipe on the right runs to the top of the Mash-tun to deliver the sparge water. The pipe on the left is a piece of 1/2" copper tube sliced in half and marked in half gallon increments. Running up it is a piece of 1/4" Polyethylene tube for viewing the water level.
This is a picture of the back of the Hot-liquor tank showing the pump and immersion heating element used for constant temperature control.
This is the heater chamber made of 1 1/4" 304 SS. The inlet is a coupling that is drilled and tapped to accept a 1/4" MIP SS nipple. The outlet is 3/8" MIP made into a manifold that has a piece of 1/4" OD copper running through the top this is used for temperature measurements.
This is the Controller. It is capable of keeping the temperature within .2 degrees.