Description
Product Overview
The Pentair Fan Motor with Acorn Nut Kit | 473785 is an OEM replacement fan motor assembly designed for compatible Pentair UltraTemp pool and spa heat pumps. This kit helps restore proper condenser fan operation, airflow, and heat pump performance when the original fan motor has failed, become noisy, seized, or stopped operating correctly.
This replacement kit includes the fan motor and acorn nut hardware needed for service replacement. It is intended for professional repair of compatible Pentair heat pump units.
Ideal For
Pentair UltraTemp pool and spa heat pump service repairs where the fan motor needs replacement. This part is commonly used by pool service professionals, HVAC technicians, and equipment repair specialists working on compatible Pentair heat pump systems.
Key Features
OEM Pentair Replacement Part
Designed as a genuine replacement fan motor kit for compatible Pentair UltraTemp pool and spa heat pumps.
Includes Acorn Nut Kit
Comes with the acorn nut hardware required for the fan motor replacement process.
Restores Fan Operation
Helps restore proper fan rotation and airflow through the heat pump condenser section.
Supports Heat Pump Performance
A working fan motor is critical for moving air across the heat pump coil, allowing the unit to transfer heat properly.
Designed for UltraTemp Heat Pumps
Commonly used on compatible Pentair UltraTemp pool and spa heat pump applications.
Professional Service Part
Recommended for installation by a qualified pool equipment technician or HVAC professional.
Benefits
The Pentair 473785 Fan Motor with Acorn Nut Kit helps bring a compatible UltraTemp heat pump back into proper operation when the fan motor is no longer functioning correctly. A failed fan motor can cause poor heating performance, overheating, error codes, unusual noise, or complete heat pump shutdown.
Replacing the fan motor with the correct OEM-style kit helps maintain proper airflow, protect internal heat pump components, and support reliable heating performance.
Specifications
| Specification | Details |
|---|---|
| Brand | Pentair |
| Product Type | Heat Pump Fan Motor Kit |
| Part Number / SKU | 473785 |
| Common Description | Fan Motor with Acorn Nut Kit |
| Application | Pentair UltraTemp Pool and Spa Heat Pumps |
| Includes | Fan motor and acorn nut kit |
| Equipment Type | Pool and spa heat pump |
| Installation | Professional installation recommended |
| Manufacturer | Pentair |
Customer-Facing Q&A
Q: What is Pentair part number 473785?
A: Pentair 473785 is a fan motor with acorn nut kit used on compatible Pentair UltraTemp pool and spa heat pumps.
Q: What does this kit include?
A: This kit includes the replacement fan motor and acorn nut hardware.
Q: What equipment does this fit?
A: It is commonly listed for Pentair UltraTemp pool and spa heat pumps. Always confirm your exact heat pump model before ordering.
Q: Is this the same as Pentair 470289?
A: No. Pentair 470289 is also a fan motor with acorn nut kit, but it is commonly listed for ThermalFlo heat pump applications. Confirm the correct part number for your specific heat pump model before ordering.
Q: When should the fan motor be replaced?
A: Replace the fan motor if it is seized, noisy, not spinning, overheating, causing airflow issues, or diagnosed as failed by a qualified technician.
Q: Can I install this myself?
A: Professional installation is recommended because heat pump repairs involve electrical components, fan blade removal, capacitor testing, wiring, and proper safety procedures.
