Sunday May 17, 2026
ASK AN EXPERT

CART
0item(s)
RECENTLY ADDED ITEM(S)

You have no items in your shopping cart.

or

Product was successfully added to your shopping cart.

106659-03

J3960 Superior Lennox Refractory, Rt,Std,White S36

Part Number J3960

$405.32

The J3960 Superior Lennox Refractory, Rt,Std,White S36 replacement part will help repair and replace parts on FMI Products fireplaces and stoves.

TIME TO FIND A NEW FIREPLACE?
Visit our Website
Newsletter

FACEBOOK | TWITTER

SALES@IBUYSTORES.COM

PARTS

ORDERING

RETURN POLICY

ABOUT US

Secure Shopping BBB Link Secure Seal

© 2026 justfireplaceparts.com All Rights Reserved
iBuy Stores, Inc. is an authorized dealer of all parts and equipment to fix popular Napoleon, Majestic, Vermont Castings, Superior and Lennox fireplace and wood stove models. Due to Prop 65 restrictions, we have a selected product offering to the state of CA at this time. As we get additional compliance confirmations from our manufacturers we will feature more product lines for availability. Contact us for more information. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov