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Watts ETX / ETSX Series Expansion Tanks

$59.00$894.00

Watts ETX / ETSX Series Carbon Steel Expansion Tank Horizontal / Vertical /Freestanding  100 PSI 220°F For Non-Potable Grey

  • This non-potable water expansion tank is designed for use in commercial and residential
  • closed-loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve.
  • This carbon steel tank is pre-charged at 12 lb/sq-in, tank volume is 2.1 gal and features a durable expansion membrane that prevents contact of the water with the air in the tank.
  • This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system.
  • This tank is made of carbon steel with epoxy finish, mounts to supply piping, 1/2 in MNPT system connection and a 0.302 – 32 in charging valve connection (standard tire valve) to facilitate on site charging of the tank to meet system requirements.
  • Pre-charged to 12 psi
  • Rugged flexible butyl diaphragm
  • Compatible with glycol in systems

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