Skip to content
  • 🔥 New arrivals and big savings! 🔥
  • 🔥 New arrivals and big savings! 🔥
Outlet Hvac Motive StoreOutlet Hvac Motive Store
  • Menu
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • HVAC Components
    • Crankcase Heaters
    • Compressors
    • Heat Exchangers
    • Hard Start Kits
    • Furnace & Air Handlers
    • Cooling Filter Dryers
    • Service Tools & Parts
  • Ignition & Combustion Components
  • Pumps & Circulators
  • Capacitors
  • HVAC Hardware & Parts
    • Hydronic Hardware & Parts
Home / HVAC Components / Pumps & Circulators / Expansion Tanks & Vents
Sale!
Watts ETA-80 45-Gal Pressurized Expansion Tank

Watts ETA-80 45-Gal Pressurized Expansion Tank

$523.00 Original price was: $523.00.$98.99Current price is: $98.99.

Buy Now
SKU: Watts WBB2185221 Categories: Expansion Tanks & Vents, HVAC Components, Pumps & Circulators Tags: 0212004, 150 psi, 240 °F, 45 gal, HVAC & Fans, Steel, Tank, Watts
  • Sustainable materials, for a better tomorrow.
  • Efficiency meets excellence in customer care.
  • Fast, friendly, always here to help.
  • Buy Quality, Live Better
Browse
  • HVAC Components
    • Capacitors
    • Compressors
    • Cooling Filter Dryers
    • Crankcase Heaters
    • Furnace & Air Handlers
    • Hard Start Kits
    • Heat Exchangers
    • Ignition & Combustion Components
      • Combustion Air Systems
      • Flue Gas Vent Pipes & Supports
      • Fuel Valves
      • Gas Ignition & Pilots
      • Gas Regulators
      • Venting Control Kits
    • Pumps & Circulators
      • Circulators
      • Condensate Pumps
      • Expansion Tanks & Vents
      • Flanges, Seals & Mounts
      • Fuel Oil Pumps
      • Pump & Circulator Accessories
    • Service Tools & Parts
      • HVAC Cleaning Equipment
      • HVAC Thermometers
      • Installation & Maintenance Tools
      • Refrigerant Leak Detectors
      • Refrigerant Manifolds & Gauges
      • Refrigerant Recovery Tools
  • HVAC Hardware & Parts
    • Hydronic Hardware & Parts
  • Uncategorized
  • Description
  • Additional information
  • Reviews (0)
Watts 45-Gal Pressurized Expansion Tank 0212004

This 45 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 125 PSI (8.5 BAR).

Max Accepted Volume Gallons

21 gal

Height

38 in

Diameter

20 in

Tank Volume

45 gal

Material

Steel

Valve Type

Tank

Manufacturers Part Number

0212004

PSI

150 psi

Max Temperature

240 °F

Respirator Connection Type

NPT

Brand

Watts

Warranty

1 yr

Reviews

There are no reviews yet.

Be the first to review “Watts ETA-80 45-Gal Pressurized Expansion Tank” Cancel reply

Related products

Sale!
Global Industrial™ Wall Sleeve With Drain Kit For Packaged Terminal Air Conditioners
Quick View

HVAC Cleaning Equipment

Global Industrial™ Wall Sleeve With Drain Kit For Packaged Terminal Air Conditioners

$149.95 Original price was: $149.95.$97.99Current price is: $97.99.
Sale!
Supco Commerial Condensate Evaporator Pan 7.5 Qt 120V 1000W
Quick View

HVAC Components

Supco Commerial Condensate Evaporator Pan 7.5 Qt 120V 1000W

$154.95 Original price was: $154.95.$91.99Current price is: $91.99.
Sale!
Maxitrol 1/2" Certified Line Regulator W/Vent Limiter 325-3L-V 1/2, Up To 140,000 BTU
Quick View

Gas Regulators

Maxitrol 1/2" Certified Line Regulator W/Vent Limiter 325-3L-V 1/2, Up To 140,000 BTU

$22.50 Original price was: $22.50.$15.75Current price is: $15.75.
Sale!
Inficon D-TEK Select Refrigerant Leak Detector 721-202-G1, Detects R22, R410A, R134A
Quick View

HVAC Components

Inficon D-TEK Select Refrigerant Leak Detector 721-202-G1, Detects R22, R410A, R134A

$515.00 Original price was: $515.00.$94.99Current price is: $94.99.
Sale!
Friedrich PTAC 20 Amp Cord, 5 ft. L, 230/208V, Beige
Quick View

HVAC Components

Friedrich PTAC 20 Amp Cord, 5 ft. L, 230/208V, Beige

$74.95 Original price was: $74.95.$52.47Current price is: $52.47.
Sale!
Little Giant® VCMA-20ULS Condensate Removal Pump with Safety Switch 115V
Quick View

Condensate Pumps

Little Giant® VCMA-20ULS Condensate Removal Pump with Safety Switch 115V

$73.95 Original price was: $73.95.$51.77Current price is: $51.77.
Sale!
Supco Commercial Condensate Pan 2.5 Qt, 120 V, 800 Watts
Quick View

HVAC Components

Supco Commercial Condensate Pan 2.5 Qt, 120 V, 800 Watts

$138.95 Original price was: $138.95.$96.99Current price is: $96.99.
Sale!
MRCOOL MR COOL Condenser Wall Bracket for 9K, 12K & 18K BTU Systems
Quick View

HVAC Components

MRCOOL MR COOL Condenser Wall Bracket for 9K, 12K & 18K BTU Systems

$79.95 Original price was: $79.95.$55.97Current price is: $55.97.
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
Signup for Newsletter

We will keep you up to date with all the latest news and exclusive promotions.

    Copyright 2026 © www.hvacmotive.com
    • HVAC Components
      • Crankcase Heaters
      • Compressors
      • Heat Exchangers
      • Hard Start Kits
      • Furnace & Air Handlers
      • Cooling Filter Dryers
      • Service Tools & Parts
    • Ignition & Combustion Components
    • Pumps & Circulators
    • Capacitors
    • HVAC Hardware & Parts
      • Hydronic Hardware & Parts
    • Login

    Login

    Lost your password?

    Register

    Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.