1. Introduction
This manual provides essential instructions for the proper installation, operation, and maintenance of your Deelz4Less Select Comfort Sleep Number Air Bed Pump, model UFCS4-2. This pump is designed as a replacement for older dual chamber Queen, King, and California King size Sleep Number mattresses. It includes two wired remotes and two hoses with attached connectors, facilitating independent firmness control for each side of the mattress.
2. Product Overview
The UFCS4-2 pump system is a household mattress inflator designed to restore the functionality of your Sleep Number bed. It features a compact pump unit and two wired remote controls for individual firmness adjustments.

Image 2.1: The Deelz4Less Select Comfort Sleep Number Air Bed Pump (UFCS4-2) shown with its two wired remote controls and connecting air hoses. The main pump unit is grey and circular.

Image 2.2: A top-down view of the UFCS4-2 pump unit, highlighting the two wired remote controls positioned on its surface. The 'Deelz4Less' logo is visible in the corner.
3. Setup and Installation
Follow these steps to properly install your replacement air bed pump:
- Preparation: Ensure your mattress is fully deflated and disconnected from the old pump system. Carefully remove the old pump and hoses.
- Connect Hoses: The UFCS4-2 pump comes with two hoses. Connect each hose securely to the corresponding air chamber in your mattress. Ensure a tight seal to prevent air leaks. This pump is designed for mattresses that use two separate air chambers.
- Connect Remotes: Plug the two wired remote controls into the designated ports on the pump unit. Each remote controls one side of the dual chamber mattress.
- Power Connection: Plug the pump's power cord into a standard 120-volt AC electrical outlet.
- Initial Inflation: Once all connections are secure, you can begin inflating your mattress using the remote controls.
4. Operating Instructions
The UFCS4-2 pump system allows for precise firmness adjustment using the wired remote controls.

Image 4.1: A close-up view of one of the wired remote controls. It features a digital display for the Sleep Number setting and two arrow buttons for adjustment.
- Remote Control: Each remote features a clear digital display showing the current Sleep Number setting and two arrow buttons (up/down) for adjustment.
- Adjusting Firmness: To increase firmness, press the 'up' arrow button. To decrease firmness, press the 'down' arrow button. The display will show the Sleep Number changing as the mattress inflates or deflates.
- Optimal Adjustment: For accurate firmness readings and optimal comfort, always make adjustments while lying on the bed. This allows the system to properly sense and respond to your body weight.
- Power Cycle: If the remote display is not clear or unresponsive, try unplugging the pump from the power outlet for 30 seconds and then plugging it back in.
5. Maintenance and Care
Proper maintenance ensures the longevity and optimal performance of your air bed pump.
- Cleaning: Wipe the exterior of the pump and remotes with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the pump is unplugged before cleaning.
- Air Hoses: Periodically check the air hoses for any kinks, cracks, or loose connections. Ensure they are not pinched by bed frames or other objects.
- Storage: If storing the pump for an extended period, disconnect it from power, detach the hoses, and store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Internal Components: The pump contains no user-serviceable parts inside. Do not attempt to open the pump casing, as this may void the warranty and pose an electrical hazard.
6. Troubleshooting
If you encounter issues with your UFCS4-2 pump, refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not turn on / No power | Power cord not securely plugged in; Power outlet issue; Internal pump fault. | Check power cord connection. Test outlet with another device. If still no power, contact Deelz4Less support. |
| Mattress loses air / Does not hold firmness | Loose hose connection; Leak in air chamber; Leak in hose. | Ensure all hose connections are tight. Inspect hoses and mattress chambers for visible damage or leaks. Contact support if a leak is suspected in the pump or chambers. |
| Remote control unresponsive / Display unclear | Loose remote connection; Temporary electronic glitch. | Ensure remote cables are securely plugged into the pump. Unplug the pump from power for 30 seconds, then plug back in to reset. |
| Remote resets to zero or incorrect number | This can be a characteristic of some older replacement models. | Adjust firmness manually as needed. This may not indicate a fault with the pump's inflation function. |
If these steps do not resolve the issue, please contact Deelz4Less customer support for further assistance.
7. Specifications
Detailed technical specifications for the UFCS4-2 Air Bed Pump:
| Feature | Detail |
|---|---|
| Model Number | UFCS4-2 |
| Brand | Deelz4Less (Replacement for Select Comfort) |
| Manufacturer | Select Comfort (Original Equipment) |
| Power Source | Corded Electric |
| Voltage | 120 Volts |
| Current | 1 Amp |
| Frequency | 60 Hz |
| Operation Mode | Automatic |
| Material | Plastic |
| Color | Grey |
| Item Weight | 8 Pounds |
| UPC | 763163963192 |
| Serial Number (Example) | 031140304T |

Image 7.1: The product label located on the underside of the UFCS4-2 pump, displaying model number, electrical specifications, and a serial number (e.g., 031140304T).
8. Compatibility
This UFCS4-2 Select Comfort air pump is compatible with various Sleep Number Pump models, particularly those designed for dual air chambers. It serves as a suitable replacement for:
- Models with wired remote controller: UFCS4-2, EFCS-2, CFCS-2, EFCS4-2, EFCS4-2PR
- Models with wireless remote control: NXT03DR, SFCS56DR, PFCS03-DR, UFCS3-2, UFCS2-2, EFCS4W-2
If your current Sleep Number dual air pump model is not listed, please contact Deelz4Less for compatibility verification.
9. Warranty and Support
Your Deelz4Less Select Comfort Sleep Number Air Bed Pump UFCS4-2 comes with a 1-Year Warranty. This warranty is provided exclusively by Deelz4Less and covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or any questions regarding your product, please contact Deelz4Less directly. Contact information can typically be found on your purchase receipt or the seller's platform.
Please note that this product may not offer identical functionality to all products sold directly by Select Comfort.