Thermal Expansion Tank Replacement

Denver metro only — this is on-site labor, not a shipped product. We perform this work at your address in the Denver metropolitan area or Colorado's Front Range: Denver, Aurora, Lakewood, Littleton, Centennial, Englewood, Arvada, Westminster, Thornton, Broomfield, Golden, Wheat Ridge, Commerce City, Northglenn, Highlands Ranch, Parker, Castle Rock and nearby. Please don't purchase from outside this area.

Veteran-owned Denver design-build.

Replace a failed thermal expansion tank at the water heater (2 or 4.5 gallon tank included), pre-charge to match house pressure, support properly, and leak-test. Covers first-time installs where a tee already exists on the cold line. NOT included: water heater repair, repiping to create a connection point in hard-to-reach configurations, or PRV replacement (separate SKU — commonly paired).

Typical duration: about 90 minutes on site.

Also called: expansion tank replacement, thermal expansion tank, water heater tank.

Serving Denver metro & the Front Range · Licensed and insured · We confirm your appointment window after checkout.