Rectorseal 4.8 Gallon Thermal Expansion Tank w/ 3/4-in MIP SS Connection
Rectorseal EXPT4
SKU RSL-EXPT4
RectorSeal's 4.8 gallon thermal expansion tank with 3/4-in MIP absorbs excess water created by thermal expansion in closed hot water heating systems. Browse more water heater accessories at HomElectrical.com today!
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RectorSeal's 4.8 gallon thermal expansion tank with 3/4-in MIP absorbs excess water created by thermal expansion in closed hot water heating systems. Browse more water heater accessories at HomElectrical.com today!
- 4.8 Gallon.
- 3/4-in MIP.
- 16 gauge cold rolled steel tank.
- 100% butyl rubber diaphragm.
- Stainless steel NPT connection.
- 100% pressure tested.
- Brass air valve with O-ring seal.
- Should not be used over 80 PSI.
- Must install a pressure valve that will prevent excessive pressure from damaging the tank.
- 5 Year Warranty.
Similar Water Heater Products
Rectorseal EXPT4 Description
- 4.8 Gallon.
- 3/4-in MIP.
- 16 gauge cold rolled steel tank.
- 100% butyl rubber diaphragm.
- Stainless steel NPT connection.
- 100% pressure tested.
- Brass air valve with O-ring seal.
- Should not be used over 80 PSI.
- Must install a pressure valve that will prevent excessive pressure from damaging the tank.
- 5 Year Warranty.
Similar Water Heater Products
Free Shipping Eligible
$62.53Each
Ships between 01/28/2026 - 02/11/2026
Product Specifications
| Part Number | EXPT4 |
| Weight | 9.00-lb |
| UPC | 021449725514 |
Manufacturer Description
THERMAL EXPANSION TANK - 4.8 G
Resources & Download
A PDF viewer is required to view this product's information. Download Adobe Acrobat Viewer
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
RectorSeal's 4.8 gallon thermal expansion tank with 3/4-in MIP absorbs excess water created by thermal expansion in closed hot water heating systems. Browse more water heater accessories at HomElectrical.com today!
Free Shipping Eligible
$62.53Each
Ships between 01/28/2026 - 02/11/2026
Similar Water Heater Products
Rectorseal EXPT4 Description
- 4.8 Gallon.
- 3/4-in MIP.
- 16 gauge cold rolled steel tank.
- 100% butyl rubber diaphragm.
- Stainless steel NPT connection.
- 100% pressure tested.
- Brass air valve with O-ring seal.
- Should not be used over 80 PSI.
- Must install a pressure valve that will prevent excessive pressure from damaging the tank.
- 5 Year Warranty.
Product Specifications
| Part Number | EXPT4 |
| Weight | 9.00-lb |
| UPC | 021449725514 |
Manufacturer Description
THERMAL EXPANSION TANK - 4.8 G
Resources & Download
A PDF viewer is required to view this product's information. Download Adobe Acrobat Viewer
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
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