The Toyotomi 20477076 is a genuine Lamp Circuit Board for HC-20, HC-20B, HC-190, HC-190B. Indicator lamp board for the convector front display. Replace when the status lights stop working while the unit otherwise runs.
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 HC-20 and HC-190 heat convector parts in stock for fast shipping to dealers and homeowners.