FLX Thermal Expansion Tanks

If you're looking for the ultimate in hot water pressure protection, look no further. Flexcon's FLEX2PRO Thermal Expansion Tanks are the premier line of potable hot water expansion tanks in the market. Both the PH and WHV tanks are designed to maintain safe pressure in domestic water systems that utilize a back flow preventer or check valve. These tanks are guaranteed to keep you out of hot water with your customers.


Product Features:

  • Tank: 16- gauge cold rolled steel
  • Finish: Appliance-quality paint for indoor or outdoor installation
  • Water chambers: Top chamber is 100% butyl rubber, lower water chamber is copolymer polypropylene
  • Connection: Welded steel (WHV); Stainless Steel (PH)
  • Testing: High pressure, seam weld, helium, final precharge check
  • Air valve: Brass valve with O-ring seal
  • Warranty: Five year (WHV); One year (PH)


Available Models
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Flexcon HTX15 Expansion Tank (2.1 GAL) Login
Flexcon HTX30 Expansion Tank (4.4 GAL) Login
Flexcon HTX60 Expansion Tank (6 GAL) Login