
Overview
Genuine SBI replacement Rear Burn Tube (SBI part name: Rear Secondary Air Tube) for the Osburn Horizon, Enerzone Solution 4.5 ZC & Valcourt Waterloo.
This is a secondary air (burn) tube that feeds preheated air to the top of the firebox for the secondary burn. Replace it when it is warped, sagging, burnt through or the holes are eroded.
- Part number: PL68764
- New factory part from SBI (Stove Builder International), maker of Drolet, Englander, Osburn, Enerzone and Century
Fits these stoves
| Brand | Models |
|---|---|
| Osburn | Horizon Wood Fireplace |
| Enerzone | Solution 4.5 ZC Wood Fireplace |
| Valcourt | Waterloo |
Fitment notes: Fitment confirmed against the Enerzone / Osburn / Valcourt manufacturer replacement-parts lists. Model names are the manufacturer's, including older and discontinued models; linked models are stoves StoveSource sells. Match part number PL68764 to the parts list in your stove's manual before ordering.
Why buy from StoveSource: Authorized SBI dealer · No Sales Tax · 1-888-914-0022
Photo shows a typical burn tube; size and fit are as listed above.
Shipping & Returns
Free shipping on orders over $250 · ships in 1–3 business days.
Free shipping on orders over $250 to the continental US; a flat $22.95 shipping fee applies to orders under $250. Accessories and parts ship by parcel carrier (UPS, FedEx, or USPS), typically in 1–3 business days.
Returns. Unused, uninstalled items in original packaging can be returned within 30 days, subject to a 15% restocking fee.
Sold by StoveSource (authorized dealer). Ships directly from the brand's authorized distributor warehouse — see our Authorized Dealer page.
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