Rinnai 108000081 — Combustion Fan Assembly, 3.94 lb

Rinnai 108000081 combustion fan — Combustion Fan Assembly

The 108000081 combustion fan is a replacement combustion fan assembly for a Rinnai tankless water heater. It supports the appliance’s combustion-air and exhaust process as part of the burner system. The supplied product information identifies it as a combustion fan assembly; no specific model compatibility or electrical ratings are provided, so confirm fit against the unit’s parts documentation.

108000081 combustion fan specifications

• Part number: 108000081
• Brand: Rinnai
• Part description: Combustion Fan Assembly
• Product category: Rinnai Tankless Water Heater Parts
• Shipping weight: 3.94 lb

Where this part is used

This part is intended for service on a Rinnai tankless water heater when the combustion fan assembly requires replacement. This type of assembly is used in the appliance’s combustion system to move air needed for burner operation and support proper venting. The supplied listing does not identify compatible heater models, so technicians should verify the part number against the appliance rating plate and Rinnai parts documentation before ordering or installation.

Shop related parts: HVAC accessories, motors, controls, contactors.

How to install this part

1. Have a licensed technician turn off the water heater and allow it to cool; shut off gas and disconnect electrical power according to the manufacturer’s procedure.
2. Access the combustion fan assembly using the unit’s service instructions, noting the original wiring and connections before removal.
3. Verify the replacement part number against the appliance rating plate and parts documentation before fitting it.
4. Install the assembly and reconnect wiring and related connections according to the manufacturer’s instructions.
5. Restore service and check for gas leaks and proper operation using the manufacturer’s commissioning procedure.

Manufacturer data, drawings and cross-references are available on the Rinnai product site. A licensed HVAC/R technician should install this part.

Frequently asked questions

What is the Rinnai 108000081?

It is a Rinnai combustion fan assembly for tankless water heater service.

What does a combustion fan assembly do?

It supports airflow for the water heater’s combustion and venting process.

Which Rinnai water heater models use this part?

The supplied product information does not list compatible models. Verify the part number against the heater’s rating plate and parts documentation.

What is the shipping weight?

The listed shipping weight is 3.94 lb.

When will my 108000081 order ship?

Orders are prepared and shipped within 6–8 business days.

Why buy the 108000081 from Cedars HVAC

• Genuine new Rinnai part, sold by part number
• Priced below major online HVAC suppliers
• Orders are prepared and shipped within 6–8 business days.
• Real HVAC expertise. Call (305) 850-6693 to confirm the cross-reference before you order.