#1 Home Improvement Retailer

Cart

Cart

Home
Plumbing
Water Heaters
Water Heater Parts
Water Heater Expansion Tanks

Water Heater Expansion Tanks

6 Results

    Sort by

    Top Sellers

Best Seller

2.0 Gal. Thermal Expansion Tank
(4.6 / 190)
Model# HDET2G
$29.88
4.5 Gal Thermal Expansion Tank
(4.6 / 57)
Model# HDET4G
$59.92
4.5 gal. Thermal Water Heater Expansion Tank
(5 / 1)
Model# G12W
$57.83
2 gal. Thermal Water Heater Expansion Tank
(5 / 1)
Model# G5W
$40.86
Steel Thermal Expansion Tank
(4.5 / 2)
Model# DET-12-M1
$91.86
2.1 Gal. Thermal Expansion Tank for Potable Water Heater
(5 / 3)
Model# FTET21-N
$65.62

Installation Services

Water Heater Repair

Is your water heater not working or in need of quick repair? In most areas, call The Home Depot before noon to receive same-day service and inspection.
Learn More