The Toyotomi 20474272 is a genuine Screw M, Flue Pipe to Wall Flange for Laser 56, Laser 60AT, Laser 73, Laser 73AT, Laser 560. Machine thread screw that fastens the flue pipe to the wall flange.
This is an OEM Toyotomi part, so it fits and performs the way the original did. Confirm your heater model before ordering; the model is on the rating label on the unit. If you are not sure which part you need, Rural Energy support can check it against your model and serial number.
Rural Energy is a Toyotomi distributor and keeps Toyostove Laser and Oil Miser heater parts in stock for fast shipping to dealers and homeowners.