SPECIFICATIONS:
- For 220 Gallon Tank # AV120T.
- Air volume control maintains the correct volume of air in an atmospheric pressure tank up to 220 gallons capacity.
- Zinc die-cast body, Buna N diaphragm and seal cap, brass spring, and orifice.
- 100 PSI maximum pressure.
- 1/4" FPT tank, suction connection, and gauge port.