




Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Amtrol 140N43 is a two-gallon thermal expansion tank. It helps manage pressure changes in potable hot water systems. This tank prevents damage to your plumbing system by accepting expanded water from heating.
This thermal expansion tank is essential for controlling pressure in hot water systems. It is suitable for both residential and light commercial use.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!




