The Toyotomi 20459852 is a genuine Strainer Gasket for OPT-81, OPT-91. Seals the fuel strainer housing on the lifter pump. Install a new gasket any time the strainer is opened for cleaning.
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 fuel lifter parts in stock for fast shipping to dealers and homeowners.