Replace the pane, retain the correct door
SPZTS-36 is Harvia’s original replacement door-glass pane, also identified as ZTS-36. It fits the applicable M3 door revision; it is not a complete replacement door.
Confirm the original pane dimensions and door model before ordering. Published pane dimensions differ between the current technical table and product description. This glass is not for Duo or LUX doors.
Included
One replacement glass pane. Mounting hardware, seals and the complete stove door are not included.
Manufacturer product details · Installation or parts document

Prebuilt
Sauna Brushes
Vents