The Rinnai RHF300-51-8 is a genuine Flexible Hose for 263FA, 201FA. Flexible air hose between the flue assembly and the furnace air inlet. Replace when it is cracked, split, or crushed.
This is an OEM Rinnai part, so it fits and performs the way the original did. Confirm your 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 Rinnai distributor and keeps Rinnai direct vent wall furnace parts in stock for fast shipping to dealers, contractors, and homeowners.