2026 Kickoff Sale EXTENDED! 25% OFF

Start the year strong and don’t miss your last chance to save 25% storewide! Due to popular demand, our 2026 Kickoff Sale has been extended—giving you more time to grab the products you need at unbeatable prices.

Whether you’re upgrading your system, preparing for the season ahead, or restocking essential supplies, now is the perfect time to save big.

Hurry—this extended offer ends Thursday, January 15!

Chimney Cap, 6" GX Furnace Models by OutdoorBoiler.com: Chimney caps are essential for keeping precipitation and condensation from accumulating in your furnace. This proprietary chimney cap also serves as a spark arrester, and it will reduce or eliminate excessive draft caused by wind. 

This product meets specifications for all GX model furnaces (but not GH or HE Series furnaces). 

This product will ship in up to 7 business days from the date of order.