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Suburban Mfg 525047 Furnace Blower Wheel for SF Series RV Furnace -- 6-1/4" x 5"
Suburban Mfg 525047 metal furnace blower wheel for SF-20 SF-25 SF-30 SF-35 SF-42 series RV furnaces, 6-1/4 x 5 inch
Suburban Furnace Blower Wheel For SF Series
  
List Price: $60.29
: $20.40
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Part Number: 525047
Manufacturer: Suburban Mfg

Quantity in Stock :28

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Suburban Mfg Part 525047 SF Series Fitment Suburban SF Series Furnace Blower Wheel -- Direct Replacement for Quieter, Reliable Heat

When your RV furnace is making noise, blowing weakly, or not moving air at all, the blower wheel is often the first thing to fail. Suburban part 525047 is the correct direct-replacement blower wheel for the full SF series furnace lineup. Metal construction keeps it balanced and durable through years of heating seasons, and its lightweight design runs noticeably quieter than a worn or damaged OEM wheel.

Direct-Fit Replacement for Suburban SF Series Furnaces

Suburban SF series furnaces are among the most widely installed propane forced-air heaters in travel trailers, fifth wheels, and motorhomes. Over time the blower wheel can crack, corrode, accumulate debris, or simply become unbalanced -- leading to vibration noise, reduced airflow, or a furnace that short-cycles on the high-limit switch. Swapping the blower wheel is a straightforward repair that restores full airflow and quiet operation.

This wheel installs on the furnace blower motor shaft and is confirmed compatible with both standard SF models and the F-suffix (forced-air) variants. No modifications required -- mount, tighten, and reinstall the furnace.

Metal Construction

Durable metal build resists cracking and warping that can plague older plastic wheels in high-heat furnace environments.

Lightweight and Balanced

Reduced rotating mass means lower motor load and noticeably quieter blower operation compared to a worn or damaged original wheel.

Broad SF Series Fitment

Confirmed fit across SF-20, SF-25, SF-30, SF-35, and SF-42 -- including all F-suffix variants. One part covers the entire SF family.

2-Year Warranty

Backed by Suburban Mfg's limited 2-year manufacturer warranty for added peace of mind on this critical furnace component.

Compatible Furnace Models

This blower wheel is confirmed to fit the following Suburban SF series furnace models:

  • SF-20 and SF-20F
  • SF-25 and SF-25F
  • SF-30 and SF-30F
  • SF-35 and SF-35F
  • SF-42 and SF-42F

The SF series covers BTU outputs ranging from approximately 20,000 to 42,000 BTU/hr, making this one blower wheel compatible with a wide range of RV furnace sizes. If you have an SF series unit not listed above, verify the furnace model plate and compare to this part before ordering.

Quiet Running Upgrade: Many owners install this wheel as a proactive replacement when furnace noise increases -- even before complete failure. The balanced, lightweight metal design eliminates the vibration rattle common in aging or cracked blower wheels.

Installation Overview

Replacing the blower wheel on a Suburban SF series furnace is a manageable DIY repair. General steps include:

  • Shut off propane and disconnect 12V furnace power before beginning.
  • Remove the furnace access cover and slide the furnace out of its bay if needed for clearance.
  • Locate the blower motor assembly and remove the retaining set screw or nut holding the wheel to the motor shaft.
  • Slide off the old wheel, slide on the new 525047 wheel, and secure the fastener.
  • Reassemble the furnace and test for smooth, quiet operation.
Note on Motor Shaft Fit: The blower wheel mounts directly to the furnace blower motor shaft. If the motor itself is damaged or seized, the motor will need to be replaced separately -- this listing covers the wheel only.
Maintenance Tip: While the furnace is open, inspect the blower motor bearings, burner assembly, and sail switch. Cleaning burner orifices and checking the sail switch paddle for sticking can prevent future no-heat calls during cold-weather trips.

Part Identification

ManufacturerSuburban Mfg
Manufacturer Part #525047
SKU / Product Code41-1278
UPC765053135863
Warranty2-year limited manufacturer warranty

Physical Specifications

Width (diameter)6-1/4 inches
Depth5 inches
Weight1 lb
MaterialMetal

Furnace Compatibility

SeriesSuburban SF Series
Confirmed ModelsSF-20, SF-25, SF-30, SF-35, SF-42
F-Suffix ModelsSF-20F, SF-25F, SF-30F, SF-35F, SF-42F
BTU Range (series)Approximately 20,000 -- 42,000 BTU/hr

What Is Included

Included1x blower wheel (525047)
Not IncludedBlower motor, mounting hardware, furnace control board
Important Information
  • Always shut off propane supply and disconnect 12V power before servicing any RV furnace component.
  • This listing is for the blower wheel only -- motor, mounting screws, and other hardware are not included.
  • Verify your furnace model number on the data plate before ordering. This wheel is confirmed for the SF series only; it is not cross-listed for Suburban NT, SH, or SB series furnaces.
  • If the blower motor shaft is worn, corroded, or the motor fails to spin freely, the motor assembly must be addressed separately for safe furnace operation.
  • Do not operate the furnace with a cracked, unbalanced, or damaged blower wheel -- reduced airflow can cause the furnace to overheat and trip the high-limit safety switch repeatedly.


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