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The video above is instructional and describes how to replace your stove glass and seals along with tips on how to avoid glass breakage. The below video has no commentary but shows a full clean, teardown and replacement of stove glass and seals.
Over time, the glass on your wood burning stove can become damaged, cracked or even shattered. Replacing the glass on your wood burning stove is not only essential for the stove's efficiency, but also for your safety. Here we go through step by step how to replace your glass.
Step 2: Remove The Door (If Possible)
If possible, remove the door from the stove to make things easier. Depending on the model of your stove, this may require unscrewing the hinges or lifting the door up and off the hinges. If you can't remove the door, that's ok. It can be worked on while it's still attached to the stove.
Step 3: Protecting The Door
If you've removed the door, lay it on a soft surface such as a blanket or towel to prevent any scratching or damage.
Step 4: Removing Fixings
Check to see if the fixing clips holding the glass in place are held using bolts or screw fixings. Using a screwdriver or socket set, remove any screws or bolts that are holding the retaining clips in place. Take note of their position, as you will need to reattach them once the new glass is in place.
Over time, the screws and bolts can seize. If this is the case, start by applying penetrating oil and then try to loosen them again.
A customer also reported that the empty (no drill bit inserted) chuck of a hammer drill placed against the bolt heads/fixings and operated at medium speed on the hammer setting for about 15-20 seconds worked. The vibration from the drill loosened the bolts, making them easy to undo.
If this fails, you may need to take the door to a machine shop to get seized screws or bolts removed and replaced. In the worst case, the existing fixings can be drilled out and the holes can be re tapped.
Step 5: Removing The Glass
Carefully remove the old glass from the door. If the glass is cracked or shattered, be cautious to avoid any sharp edges.Step 6: Checking Rope And Seals
Step 7: Clean The Door
Clean the door and remove any debris. This will ensure a smooth surface for the new glass and that any new glass seal has a clean surface to bond to.
Step 8: Measure The Glass
Measure the dimensions of the old glass and purchase a replacement that is the same size and thickness. Our measurement guide can be found here.
Step 9: Replace The Glass
Carefully place the new glass into the door, making sure it fits correctly and is centered. Ideally you will want 1-2mm of clearance between the edge of the glass and the upstanding edge of the metal surround that it fits into. The glass expands slightly during heating, so a tight fit will cause the glass to expand into the metalwork and lead to cracking or breakage.
Step 10: Tighten The Fixings
Reapply the fixing clips and tighten the screws or bolts that you removed earlier to hold the glass in place. Make sure to only do the screws or bolts up finger tight. Any tighter and you risk the glass being pinched and cracking during heating. It is very important that the glass is able to expand and contract without being impeded. Optionally, you can coat the threads of the screws or bolts with copper grease to allow for easy extraction next time you need to remove them.
Step 11:Reattach the door to the stove if it was removed.Step 12: Finally, light a small fire in the stove to ensure that the new glass is properly sealed and functioning.
Replacing the glass on your wood burning stove is a straightforward process that can be done with the right tools and a bit of care. By following these steps, you can ensure that your stove is operating efficiently and safely for many years to come.