Kohler 1146417 Whirlpool Pump Replacement | Genuine Balboa
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Replace a failed Kohler K-1146417 whirlpool pump with this genuine Balboa Water Group replacement pump.
This single-speed bath pump is designed to restore the original water circulation, pneumatic air-button control and plumbing configuration in compatible Kohler whirlpool tubs. It includes an integrated air-switch relay, self-draining wet end and factory-installed power cord.
✓ Whirly Bros Compatibility Verified
This Balboa Water Group pump has been verified as a compatible replacement for Kohler K-1146417 applications based on its electrical requirements, plumbing configuration, air-switch control and installation fit.
Before ordering: Compare your original pump label and connections. If you are unsure, send Whirly Bros photos and we will help confirm compatibility.
Kohler 1146417 Pump Specifications
| Manufacturer | Balboa Water Group |
| Replacement application | Kohler K-1146417 |
| Related pump reference | PUUTSCAS12598R |
| Motor rating | 1.25 HP continuous duty |
| Voltage | 120V AC |
| Amperage | 7.5A |
| Frequency | 60Hz |
| Operation | Single speed |
| Suction orientation | Bottom suction |
| Discharge orientation | Center discharge |
| Suction connection | 2-7/16-inch outside diameter MBT connection for 1-1/2-inch plumbing |
| Discharge connection | 2-7/16-inch outside diameter MBT connection for 1-1/2-inch plumbing |
| Control | Integrated pneumatic air-switch relay |
| Power cord | Factory-installed 3-foot cord |
| Wet-end configuration | Standard U.S. wet end |
| Volute | Self-draining design |
| Safety certifications | UL and CSA listed |
Kohler Whirlpool Tub Compatibility
This pump is intended as a compatible replacement for Kohler whirlpool tubs originally equipped with pump K-1146417. Known applications include:
- Kohler 1257-LA whirlpool tubs
- Kohler 1357-LA whirlpool tubs
- Additional Kohler whirlpool tubs originally using K-1146417
Some original pump labels or service records may reference PUUTSCAS12598R. Always compare the complete pump label and installation configuration before ordering.
What Is Included
- Genuine Balboa Water Group whirlpool bath pump
- Integrated pneumatic air-switch relay
- Factory-installed 3-foot power cord
- Standard U.S. self-draining wet end
Key Replacement Benefits
- Genuine Balboa construction: Manufactured by Balboa Water Group for reliable whirlpool bath operation.
- Original-style control: The integrated air switch supports compatible tub-side pneumatic buttons without requiring a separate control box.
- Matching plumbing layout: Bottom suction, center discharge and MBT connections align with the original configuration when the existing installation matches the listed specifications.
- Self-draining wet end: Helps reduce standing water inside the pump after use.
- UL and CSA listed: Built and tested to recognized electrical safety standards for whirlpool bath pump applications.
Installation Verification
Before installation, confirm all of the following against the original pump:
- 120V electrical supply, 7.5A current draw and 60Hz frequency
- Bottom-suction and center-discharge orientation
- 2-7/16-inch MBT connections and 1-1/2-inch plumbing
- Pneumatic air-button, air hose and integrated air-switch operation
- Factory cord configuration and available electrical connection
- Mounting-foot location, pump dimensions and available installation clearance
Disconnect electrical power before servicing the tub. Replace worn union gaskets, confirm all plumbing connections are secure and test for leaks before operating the pump. Never run the pump without water.
Frequently Asked Questions
Who manufactures this replacement pump?
Balboa Water Group manufactures this pump for compatible Kohler K-1146417 applications.
Will it work with the existing tub-side air button?
The pump includes a built-in pneumatic air-switch relay. It can operate from the existing tub-side air button when the original air hose, button and electrical configuration are compatible.
Is the pump UL and CSA listed?
Yes. This Balboa whirlpool bath pump is UL and CSA listed.
How do I confirm that this is the correct pump?
Compare the original pump label, voltage, amperage, motor rating, suction and discharge orientation, connection dimensions, power cord, air-switch configuration and mounting space. Call or text Whirly Bros at (951) 897-1878 and send photos if you need help confirming compatibility.
Kohler® names and part numbers are used only to identify compatibility. This replacement pump is manufactured by Balboa Water Group.
