The Toyotomi Lower Gasket, part number 20479582, is an OEM sealing gasket designed to create a secure, heat-resistant seal at the lower section of the combustion assembly, helping maintain proper airflow control and combustion chamber integrity in compatible Toyotomi oil heaters.
What’s included: One (1) Toyotomi lower gasket.
Installation limits: Intended for installation during heater servicing or component replacement; mating surfaces must be clean, properly aligned, and installed according to Toyotomi service procedures.
Compatibility: Compatible with Toyotomi L30 and L30-BK oil heater models.