

Ships same day if ordered by 12 pm
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 Therm-X-Trol model 390602 is a diaphragm in-line thermal expansion tank designed for hot water systems. This tank is equipped to handle pressure levels up to one hundred fifty psig, ensuring reliable operation in commercial closed systems. The volume capacity of six point four gallons with a three point two gallon acceptance volume makes it suitable for various applications.
This thermal expansion tank provides effective pressure control, helping to protect plumbing fixtures and improve system efficiency.
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!