ST-42VC DD 18 Gallon DD ASME Therm X-Trol Expansion Tank

AMTST42VCDD MFG #: 401800
  • Application: Potable
  • Capacity: 18 Gallons
  • Manufacturer Name: Amtrol
  • Option: ASME
  • Pressure Rating: 150 PSI
  • Specifications
  • Documents
  • Description
  • For use in closed, domestic hot water systems to control pressure buildup
  • Fixed diaphragm construction
  • Designed and constructed per ASME Code Section VIII, Division 1
  • Tested to JIS Z 2801 for reduction of Legionella, Staphylococcus and E. coli
  • Follows ASHRAE 188 Anti-Legionella guidelines
  • All models available with optional sight glass
  • Seismic restraints available on stand models only
  • Deep drawn models are lighter, stronger and more compact than traditional head and shell construction
  • Maximum Operating Temperature-200 Degree F
  • Maximum Working Pressure-150 PSIG
  • Warranty-1 Year
Therm-X-Trol expansion tanks are designed to control pressure in commercial closed, potable hot water systems. Available in diaphragm, partial acceptance bladder and full acceptance bladder designs, these tanks range in size from 2 gallons (7.6 liters) to 528 gallons (2,000 liters). Offered with maximum working pressure up to 300 PSIG (21 bar), Therm-X-Trol is effective at protecting the water heater and other plumbing fixtures while saving energy and money. Available in ASME and Non-ASME models.