Skip to content

Popular searches

Boiler Accessories
Circulator Pump
Manifolds & Pex Supplies
Thermostats
Heating Supplies & Parts
System Components
Circulator Pumps
Plumbing Supplies Tools
Electric Floor Warming

Quick links

All Replacement Parts
Fill & Purge Instructions
System Views
Error Codes

We've sent you an email with a link to update your password.

Login

Email

Password

New customer? Create account

Reset your password

We will send you an email to reset your password.

Email address

Popular searches

Boiler Accessories
Circulator Pump
Manifolds & Pex Supplies
Thermostats
Heating Supplies & Parts
System Components
Circulator Pumps
Plumbing Supplies Tools
Electric Floor Warming

Quick links

All Replacement Parts
Fill & Purge Instructions
System Views
Error Codes

Home
Boilers
Panels
Air Handlers
Manifolds & Pex Supplies
Thermostats
Heating Supplies & Parts
System Components
Circulator Pumps
- Circulator Pumps
- Flanges/Kits
Tools
Electric Floor Warming
System Views
Clearance Items

All Replacement Parts
Fill & Purge Instructions
System Views
Error Codes

Tech Support 8:30 am - 5:00 pm:
763-331-3066

Home
Expansion Tank - 2.1 Gal

SKU: HSEX15-RED

Expansion Tank - 2.1 Gal

Regular price $43.06

Unit price: per

Expansion Tank

Expansion Tank

SKU: HSEX15-RED

Expansion Tank - 2.1 Gal

Regular price $43.06

Unit price: per

Description

1/2" MPT
Red
Pre-charged to 12psi

Availability

Quantity selected exceeds current stock

Quantity

(0 in cart)

Quantity

This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.

Adding product to your cart

You may also like

You may also like

You may also like

Recommended products

Delivering Unmatched Comfort Since 1994

For over 30 years, we have been the trusted experts in hydronic radiant in-floor heating, providing efficient, comfortable, and reliable heating solutions. With a legacy of innovation and craftsmanship, we are committed to enhancing homes and businesses with sustainable, energy-efficient warmth—because true comfort starts from the ground up.

Contact

Questions? We're here for you
Monday - Friday
8:30 am-5:00 pm CST.

+1 763-331-3066

19974 Iguana St. NW, Elk River, MN 55330

Links

Home
Boilers
Panels
Air Handlers
Manifolds & Pex Supplies
Thermostats
Heating Supplies & Parts
System Components
Circulator Pumps
Tools
Electric Floor Warming
System Views
Clearance Items

Links

Search
Privacy Policy
Terms of Service
Resources & Literature
Returns Policy

Copyright © 2025, Hydro-Smart — Powered by Shopify

Availability