O-Ring P75 (L72, L73, L73AT, L60AT, L60AT, L730, L730AT, L731, L732, L733, L734)

Toyotomi Toyostove Laser 60AT, Laser 73 and 73AT, Laser 730 All Models
Laser 60AT, O Ring 75 Heat Exchanger is located next to Heat Exchanger.
Laser 73 and 73AT, O Ring 75 Heat Exchanger is located next to Heat Exchanger.
Laser 730 All Models, O Ring 75 Heat Exchanger is located next to Heat Exchanger.