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Feature Items
Home >Whole House Water Filter > Well Water Treatment  > Water Pressure Tanks 
Pro Source Plus Pressure Tank   Pro Source Pressure tankEconomic Pressure Tanks click here
  Steel Pressurized Water System Tanks. Pressure tank for well water



PRO-SourcePLUS steel pressure tanks are designed and manufactured for lasting durability and value. With capabilities to match a wide range of needs, PRO-SourcePLUS tanks are the ones to count on first, to last. The U.S. leader in the design and manufacture of well pumps and tanks, Pentair Water backs its PRO-SourcePLUS tanks with a five-year warranty.

100% LEAK TESTED Pressure tank to assure quality and long-lasting performance

SEAMLESS, ONE-PIECE WATER CELL / BLADDER Provides controlled, two-dimensional expansion for longer life. Compatible with chlorinated and reverse osmosis-treated water. Resistant to the effects of iron bacteria

ELECTROSTATICALLYAPPLIED POLYESTER PAINT Gives an appliance-quality finish to the pressure tank that resists nicks and corrosion

TESTED-TOUGH COMPOSITE BASE For corrosion and tank impact resistance

METAL AIR VALVE ASSEMBLY Field serviceable for convenient maintenance of the water pressure tank

STAINLESS STEEL SERVICE CONNECTION The professionalís choice for corrosion resistance tank

Pro-Source Plus Pressure Tank

Applications: Residential Water Systems, Industrial, Commercial and Agricultural.


  • Shell: Heavy gauge steel
  • Base: High-impact composite, ABS
  • Finish: Electrostatically applied, baked-on polyester paint.
  • Water Cell: One piece seamless PVC, made FDA listed material.
  • Flange: 304 Stainless Steel
  • Service Connection: NPT Threads, integral to flange
  • Air Valve: Nickel-plated brass, threaded for easy service


  • Service Connection 304 stainless steel.
  • Air Valve Nickel-plated brass.
  • Maximum Operating Pressure  100 PSI on 16" and 20" tanks; 125 PSI on 24" tanks.
  • Heavy Gauge Metal Construction Sturdy "welded wrapper and head design." Built to last.
  • Polyester Paint Finish Electrostatically powder painted, then oven baked for a smooth high-gloss, appliance-quality finish. Resists corrosion.
  • Elongated, Seamless Water Cell Controlled 2-dimensional cell expansion.
  • Rugged, seamless "water cell" prevents the most common cause of pump failure "waterlogging"
  • Water never touches the steel tank material.
  • Translucent bag material facilitates manufacturing quality control inspection.
  • NEW Stainless Service Connection Corrosion-resistant.
  • Stainless steel the professionalís choice.
  • Integral Stand Pipe Promotes complete flushing of the water entering/exiting the tank.
  • Nitrogen-Rich Precharge Decreases air permeation three to four times over straight air precharge.
  • 40 PSI Precharge Ready for use with 40/60 pressure range systems. Enables installer to reduce pressure depending on pressure switch setting.
  • Sturdy Base Tested-tough composite construction.

 Specification  Sheet


Available Models and Description 



Equivalent Tank Size

Reflect equivalent size of the tank without bladder

Max Storage  Capacity 

The left out volume is air

DIA X HGT  Draw down (Gallons) Connection size Female List Price Our Sale Price
20-40 30-50 40-60

42 gal

19 gal 20" X 21" 6.9 5.8 5.0 1" NPT  $ 312.00  $ 273.00

42 gal

19 gal 16" X 27.5" 6.9 5.8 5.0 1" NPT  $ 306.00 $ 262.00

75 gal

32 gal 16" X 43" 11.6 9.8 8.5 1" NPT  $ 612.00 $ 467.00

82 gal

35 gal 20" X 33" 12.7 10.7 9.3 1" NPT  $ 612.00 $ 467.00

120 gal

50 gal 24" X 32.5" 18.3 15.5 13.4 1-1/4" NPT  $ 859.00 $ 770.00

220 gal

85 gal 24" X 51" 30 26 22 1-1/4" NPT  $ 1045.00 $ 959.00
PSP119-TR50        320 gal 119 gal  24"X 68" 41.3 35.4 31 1-1/4" NPT $ 1433.00 $ 1369.00
How to Choose your Steel Pressurized Water System Tank

Pro Source Tank Sizing Rule: Size tank for one gallon of draw down for each gallon per minutes of pump capacity.

Example: For a 1 HP 20 GPM unit pumping 25 gallons per minute on a 30-50 pressure switch setting, the properly sized Pro-Source tank is a SR85-T52 which has a 26 gallon draw down.

Tank Selection Chart
Pump GPM

System Pressure Switch Setting - PSI






Run Times

  1 Minute 2 Minute 1 Minute 2 Minute 1 Minute 2 Minute
5 PSP14 PSP32 PSP10 PSP35 PSP19 PSP35
7.5 PSP32 PSP35 PSP32 PSP50 PSP62 PSP62
10 PSP32 PSP62 PSP35 PSP62 PSP35 PSP62
12.5 PSP35 PSP62 PSP50 PSP85 PSP50 PSP85
15 PSP50 PSP85 PSP50 PSP50(2) PSP62 PSP62(2)
20 PSP62 PSP62(2) PSP62 PSP62(2) PSP62 PSP62(2)
30 PSP62 PSP85(2) PSP50(2) PSP85(2) PSP62(2) PSP85(3)
50 PSP85+PSP85 PSP85(3) PSP85(2) PSP85(4) PSP85(2) PSP85(5)
To order , select the model of your choice and click on the ADD to CART Button.

Quantity                          Model                  

Note: PS19S-T02 does not have the bracket welded into the tank anymore, you will need to get a separate bracket PKG-198. 

Pro-source Pressurized Water Tanks.
Pro-source Pressure tanks

Similar in performance and size to Pro-source plus tank at unbelievable prices.

Checkout the pro-source pressure tank models


FIBREWOUND Pro- Source Composite Pressurized Water Tanks.


See Pro-source Composite Pressure Tank Details 


FIBREWOUND Flex-lite Pressurized Water Tanks.
Flex Lite Fibrewound pressure tanks

The Flex-Lite FL composite tank uses the latest evolution of the field proven controlled action diaphragm design.

Available  from 22 to 119 gallon maximum capacity

See Flec-Lite Fibrewound Pressure Tank Details 





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