• AMTROL ST-5 Thermal Expansion Tank

AMTROL ST-5 Thermal Expansion Tank

Amtrak invented the thermal expansion tank to control pressure build-up in closed, hot water systems. This prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard. All thermo-x-troll expansion tank.

  • Accepts expanded water caused by thermal expansion
  • Returns water to the system when hot water is used
  • Prevents the relief valve from going off
  • Inline thermal expansion tank
  • Prevents dripping faucets, intermittent toilet fill and pressure relief valve discharge
  • Protects water heater, appliances and fixtures



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AMTROL ST-5 Thermal Expansion Tank

  • from Amtrol
  • Product Code: FTSE2673
  • Condition: BRAND NEW
  •  In Stock.
  • $61.28   + 7.99 Shipping