Plain Steel Expansion Tanks (Non-Code)

The compression tank has been used for many years, and in some systems has worked very well. Using a plain steel expansion tank makes the systems an air control system. One must control the air volume or air cushion above the water level in the tank. The common face between this air cushion and the water in the tank allows the air to be absorbed by the water. If the air is not removed properly from the water and placed back into the air cushion, the compression tank will become waterlogged.
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Plain Steel Tank
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Item # Model Capacity Size Total BTU Ship Weight
430-005 5 5 gal 9" x 18" 40,000 13 lb
430-008 8 8 gal 9" x 30" 44,000 18 lb
430-009 9 9 gal 12" x 18" 60000 17 lb
430-012 12 12 gal 12" x 24" 70000 22 lb
430-015 15 15 gal 12" x 30" 85000 26 lb
430-018 18 18 gal 12" x 36" 100000 30 lb
430-024 24 24 gal 12" x 48" 200000 37 lb
430-030 30 30 gal 12" x 60" 400000 44 lb