End Cap 4” - Insulated PEX

Constitution Day Special: 25% Off Storewide!   In celebration of Constitution Day, we’re offering an exclusive 25% discount on all our products — a limited-time opportunity to save big! Whether you're looking to upgrade your home, stock up on essentials, or treat yourself to something special, now is the perfect time to shop.   Celebrate the spirit of our Constitution while enjoying incredible savings on our entire store. Shop now and take advantage of this special deal before it’s gone!   Last call Sale Ends Monday! (9/22)   End Caps for Insulated PEX designed for underground burial (PEX or PAP). This product meets specifications for use in ALL outdoor wood boiler applications and installations. End caps prevent water from entering the underground pipe. If water fills the underground pipe, it will suck heat away from your system and transfer it into the earth, which is capable of absorbing an infinite amount of heat!