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Home > Water Filter Brands > Aquasky RO Tanks > AQUASKY-ROT-4


Aquasky ROT-4 Reverse Osmosis Tank

4.5 Gallon Tank; 1/4" NPT; Most common tank size

Aquasky ROT-4 Reverse Osmosis Water Tank
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Product Code: AQUASKY-ROT-4
  • Aquasky ROT-4 Reverse Osmosis Tank:
  • The Aquasky ROT-4 RO Tank has a durable steel shell with a free-standing plastic base.
Purchase the compatible tank RO-132-W14 below.
  • Reverse Osmosis Tank Specs:
  • Dimensions (Approximate): 11" W x 14" L with stand
  • Tank Volume: 4.5 Gallons
  • Water Capacity: 3.2 Gallons
  • Manufacturer: Aquasky ROT-4
  • Reverse Osmosis System Accessories:
  • Use a TPG-100 Digital Tank Pressure Gauge to measure the air pressure in your Reverse Osmosis Bladder Tank. The RO Bladder Tank can lose air pressure and needs to be monitored.
  • Use an Inline TDS Meter to monitor the Total Dissolved Solid levels before and after your Reverse Osmosis System.
  • Instructions to Properly Pressurize your Reverse Osmosis Tank:
  • Before setting the pressure on your tank, you should empty the tank of water.
  • There are two nipples on the tank. The nipple on the bottom should have a blue cap on it. Remove this cap and use a bicycle pump to add pressure to the tank.
  • You should use a digital pressure gauge on the nipple because non-digital pressure gauges are not sensitive enough. You can purchase a digital pressure gauge here if you do not already have one
  • Correct pressure for your Tank:
  • The recommended pressure for your tank depends on the size of your tank. The most common tank size is 3.2 gallons. For these and similarly-sized tanks, you should have pressure of 8 psi when the tank is empty. If the tank is full, there should be 36 psi.
  • For larger tanks, such as 14 gallon, 36 gallon, 44 gallon, and 86 gallon units, the pressure will need to be greater.

Replacement Filters and Parts or Alternative System for the Above Unavailable Product
RO-132-W14 - White 3.2 Gallon Reverse Osmosis System Bladder Tank RO-132-W14 - White 3.2 Gallon Reverse Osmosis System Bladder Tank
PG-DIG Digital RO Tank Pressure Gauge (0-100 PSI) PG-DIG Digital RO Tank Pressure Gauge (0-100 PSI)
HM Digital ZT-2 TDS Meter HM Digital ZT-2 TDS Meter
BV-1490-AP Plastic Tank Ball Valve 1/4 BV-1490-AP Plastic Tank Ball Valve 1/4" C x 1/4" FPT 90 degree
BV-3890-AP Plastic Tank Ball Valve 3/8 BV-3890-AP Plastic Tank Ball Valve 3/8" C x 1/4" FPT 90 degree
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