

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 Lochinvar 100159111 is a 15 gallon expansion tank designed specifically for domestic hot water systems. This tank is essential for maintaining system pressure and accommodating the fluctuating volume of water in heating systems. It ensures longevity and reliability in operation.
This expansion tank is well-suited for hydronic heating and potable water applications.
Thanks for subscribing!
This email has been registered!