A. The Toyotomi 20474055 Screw O is compatible with the Laser 52, Laser 55, Laser 56, Laser 72, Laser 73, Laser 73AT, Laser 73CA, OM-22, Laser 60AT, Laser 60AT(W), Oil Miser 23(E), Laser 560, Laser 730, and Laser 730AT.
Because this OEM screw is used across numerous Toyotomi heater models, it serves as a common replacement fastener during maintenance and repair.
Verifying the exact heater model before ordering helps ensure the correct replacement part is selected.