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Wall Series Water Pressure Booster Pumps

OUTDOOR / ROOFTOP Water Booster Pumps

Designed for outdoor use in warm climate areas

Compact, powerful, and engineered for performance

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Manufacturer: Towle Whitney
Product Code: TW1111
Availability: In Stock

Short Description:

The TW1111 Series booster pump system is engineered specifically for outdoor applications in warm climate regions. Constructed with stainless steel centrifugal pumps and mounted on a rugged, powder-coated 12-gauge steel strut, this system is designed for durability and structural integrity. Each unit includes NEMA 4X-rated variable frequency drives, offering reliable protection against rain and sun exposure (note: not rated for freezing conditions).

Available Options

* Standard Pump Options:

Choose the model that best suits your needs and press Add to Quote to request pricing. For Model Specifications, scroll down to Attachments below.
GPM And Boost MAX PER PUMP

ModelHPGPMPSI Boost
TW1111-2T-3K1/2 HP15 GPM45 PSI Boost
TW1111-2T-4K1/2 HP15 GPM60 PSI Boost
TW1111-2T-5K3/4 HP15 GPM70 PSI Boost
TW1111-2T-6K3/4 HP15 GPM80 PSI Boost
TW1111-4T-3K3/4 HP35 GPM40 PSI Boost
TW1111-4T-4K1 HP36 GPM60 PSI Boost
TW1111-4T-5K1.5 HP36 GPM70 PSI Boost
TW1111-4T-6K2 HP36 GPM100 PSI Boost
TW1111-8T-2.5K1 HP50 GPM35 PSI Boost
TW1111-8T-2K3/4 HP50 GPM30 PSI Boost
- +

TW1111 Series – Built for Outdoor Performance in Warm Climates

 Data centers require precision — and that's exactly what our booster systems deliver. Downtime isn’t an option — and poor water flow can lead to thermal shutdowns or degraded server performance. With Towle-Whitney’s data center pump solutions, you’re protected by a system designed to keep cooling operations running smoothly, regardless of demand spikes or equipment cycling.

  • High-Performance Pumps: Utilizes cast iron and stainless steel centrifugal pumps for durability and efficiency.
  • Variable Frequency Drives (VFDs): Equipped with UL508-rated VFDs that adjust pump operation to maintain constant pressure, optimizing energy consumption.
  • Modular Design: Built on a painted steel frame that allows for easy transportation and installation, even in tight spaces.
  • Lead-Lag Operation: Programmable VFDs alternate lead pumps every 24 hours, ensuring even wear and extended system life.
  • Plug-and-Play Installation: Systems come pre-wired and factory-tested, reducing on-site labor and commissioning time.
  • Expansion Tank Included: Each system includes a properly sized expansion tank to accommodate system pressure changes.

Specification Sheets (Submittals)
Model TW1111-20R-40.pdf
Model TW1111-10R-65.pdf
Model TW1111-15R-40.pdf
Model TW1111-15R-50.pdf
Model TW1111-15R-60.pdf

In an effort to provide the highest level of customer service we offer a limited three warranty on all of these water booster pump models. All of the model specific data sheets have a page dedicated to discussing the warranty, but don’t hesitate to reach out with additional questions.

towle whitney warranty pdf

Specifications
HP 7.5 - 15
GPM 100 - 360
PSI Boost 85 - 100


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COMPACT DUPLEX Booster System

At 16″ wide and 34″ deep, the COMPACT SERIES will fit into hallways, corners, and under stairwells. For other sizes, please call the factory.

We Provide Products All Across The USA

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We have clients in the following areas, but service the entire United States!

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