The Toyotomi Upper Gasket, part number 20479985, is an OEM replacement sealing gasket designed to provide a tight seal at the upper section of the heater assembly, helping maintain proper airflow control, heat containment, and safe operation in the Toyotomi L60AT oil heater.
What’s included: One (1) Toyotomi upper gasket.
Installation limits: Intended for replacement use during heater service; installation should be performed with the heater powered off and fully cooled, following manufacturer procedures for accessing and resealing upper heater components.
Compatibility: Compatible with the Toyotomi L60AT oil heater model using the specified upper gasket configuration.