Amtrol Therm-X-Trol 141N43 ST Series In-Line Thermal Expansion Tank , 4.4 gal Tank , 3.2 gal Acceptance , 150 psig Pressure , 11 in Dia x 15 in H

AMTROL 141N43 MODEL NO. ST-12 THERM-X-TROL TANK VOLUME 4.4 GAL (48pc/pallet)

Expansion Tanks
MFG #: 141N43 Product ID:336409
Famous Supply
  • Connection Size: 3/4 in
  • Connection Type: MNPT
  • Domestic/Import: Domestic
  • Finish: Urethane Topcoat
  • Material: Drawn Steel
  • Maximum Temperature: 200 deg f
  • Pre-Pressure Rating: 50 psig
  • Series: ST Series
  • Type: In-Line
  • Tank Volume: 4.4 gal
  • Acceptance Volume: 3.2 gal
  • Pressure Rating: 150 psig
  • ASME Yes/No: No
  • Diameter: 11 in
  • Height: 15 in
Amtrol® invented the thermal expansion tank to absorb expanded water in closed, hot water systems and protect the water heater. Since the beginning, we've kept the pressure on our competitors with features they just can't match; like our patented Turbulator™, antimicrobial liner, patent-pending InSight™ service indicator cap and 50 PSIG precharge. When your water heater is on the line, we deliver.
  • Features
  • Warranty
  • Standards & Approvals
  • Application
Antimicrobial liner neutralizes bacteria on contact
Patented Turbulator™ water circulation device
InSight™ indicator cap tank service alert
Strongest tank design featuring deep drawn steel and multi-dome construction
Thickest diaphragm - heavy duty butyl
Projection welded air stem to help eliminate leaks
Exclusive ST-1 for tankless water heaters
5 Years Limited
IAPMO R and T Low Lead
NSF/ANSI 61
PHCC Association
For Use With Closed, Potable Hot Water Systems to Control Pressure Build-Up and Protect the Water Heater