THERM-O-FLEX™ ETC Diaphragm Expansion Tank, 20 gal Tank, 10.1 gal Acceptance, 100 psi
PartSTAETC20
MFG100130623
Description
State Industries Water Heater Expansion Tank, Series: THERM-O-FLEX™ ETC, 20 gal Tank Volume, 10.1 gal Acceptance Volume, 100 psi, ASME Yes/No: No, 15-3/8 in Dia, 32-3/4 in Height, Drawn Steel, 240 deg F Maximum Temperature, Domestic
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- For use with space heating boilers in closed systems
 - Not for use with potable water heating systems
 - Field-adjustable 12 psi air charge
 - Butyl rubber parabolic diaphragm, for separation of air and water
 
While most water heater installations in closed systems can be served by WaterGuard Expansion Tanks, State Industries offers larger Therm-O-Flex® Water Heater Expansion Tanks for installations requiring higher storage volumes. All models offer the same quality drawn-steel diaphragm design as WaterGuard Tanks, including bonded polymer lining.
| Type | Diaphragm | 
| ASME Yes/No | No | 
| Tank Volume | 20 gal | 
| Acceptance Volume | 10.1 gal | 
| Pressure Rating | 100 psi | 
| Series | THERM-O-FLEX™ ETC | 
| Diameter | 15-3/8 in | 
| Domestic/Import | Domestic | 
| Height | 32-3/4 in | 
| Material | Drawn Steel | 
| Maximum Temperature | 240 deg F | 
| Brand | State Industries | 
| Package Width | 15.75 in | 
| Package Height | 33.75 in | 
| UNSPSC | 24111807 | 
| Alternate Part Number 1 | ETC20 | 
| Package Length | 15.75 in | 
| Country of Origin | US | 
| Manufacturer | A. O. Smith | 
| UPC | 091194002116 | 
| Manufacturer Part Number | 100130623 | 
1 Year Limited
NSF Approved
Residential/Commercial
Price/Availability Accessible On Login
Documentation

State IndustriesTHERM-O-FLEX™ ETC Diaphragm Expansion Tank, 20 gal Tank, 10.1 gal Acceptance, 100 psi

