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Manufacturer: Towle Whitney
Product Code: TW2018W
Availability: In Stock

Product Overview:

The Wall Series from Towle-Whitney delivers consistent water pressure without taking up valuable floor space. Designed for light commercial and high-end residential applications, this all-in-one system mounts directly to the wall—freeing up mechanical room real estate while still packing the same punch as our flagship floor-mounted units.

Available Models

* Standard Pump Options:

Choose the model that best suits your needs and press Add to Quote to begin your quote request. Once submitted, the request will be emailed directly to our team. Click View Submittal to review the pump curve and model-specific information.

Note: Common design points shown are examples of typical applications. Please refer to the full pump curve for the complete performance range.

SelectModelHPCommon Design PointsSubmittal
TW2018W-2T-3K1/2 HP10 GPM @ 40 PSI Boost
15 GPM @ 30 PSI Boost
View Submittal
TW2018W-2T-4K1/2 HP10 GPM @ 50 PSI Boost
15 GPM @ 40 PSI Boost
View Submittal
TW2018W-2T-5K3/4 HP10 GPM @ 65 PSI Boost
15 GPM @ 45 PSI Boost
View Submittal
TW2018W-2T-6K3/4 HP10 GPM @ 70 PSI Boost
15 GPM @ 55 PSI Boost
View Submittal
TW2018W-4T-3K3/4 HP20 GPM @ 40 PSI Boost
30 GPM @ 30 PSI Boost
View Submittal
TW2018W-4T-4K1 HP20 GPM @ 50 PSI Boost
30 GPM @ 40 PSI Boost
View Submittal
TW2018W-4T-5K1.5 HP20 GPM @ 65 PSI Boost
30 GPM @ 70 PSI Boost
View Submittal
TW2018W-8T-2K3/4 HP40 GPM @ 25 PSI Boost
50 GPM @ 20 PSI Boost
View Submittal
TW2018W-8T-2.5K1 HP40 GPM @ 30 PSI Boost
50 GPM @ 25 PSI Boost
View Submittal
TW2018W-8T-3K1.5 HP40 GPM @ 40 PSI Boost
50 GPM @ 30 PSI Boost
View Submittal
TW2018W-8T-5K2 HP40 GPM @ 60 PSI Boost
50 GPM @ 50 PSI Boost
View Submittal
TW2018W-12T-2K1.5 HP60 GPM @ 30 PSI Boost
70 GPM @ 20 PSI Boost
View Submittal
TW2018W-12T-3K2 HP60 GPM @ 40 PSI Boost
70 GPM @ 35 PSI Boost
View Submittal
TW2018W-12T-4K3 HP60 GPM @ 60 PSI Boost
70 GPM @ 50 PSI Boost
Not Available
TW2018W-125MS-3HP3 HP100 GPM @ 30 PSI Boost
80 GPM @ 40 PSI Boost
Not Available

Common design points are examples of typical applications. Actual performance depends on incoming pressure,
desired set pressure, flow requirements, piping conditions, and system demand.

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Select a model and quantity, then add it to your quote. Repeat for additional models.

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Need help selecting the right model for your application?

Additional models and custom configurations are available.
Complete the questionnaire or contact us for help selecting a system.


Compact, powerful, and engineered for performance

The Wall Series from Towle-Whitney delivers consistent water pressure without taking up valuable floor space. Designed for light commercial and high-end residential applications, this all-in-one system mounts directly to the wall—freeing up mechanical room real estate while still packing the same punch as our flagship floor-mounted units.

Built with UL-listed Variable Frequency Drives (VFDs), the Wall Series automatically adjusts pump speed based on demand—maximizing energy efficiency and extending the life of your system. Each unit comes pre-piped, pre-wired, and factory-tested for plug-and-play installation, dramatically reducing labor and commissioning time.

Key Features:

  • Wall-Mounted Design: Space-saving installation for tight mechanical rooms
  • Pre-Configured & Tested: Fully assembled and quality-assured at our facility
  • Variable Speed Control: Smooth operation and lower energy costs
  • Commercial-Grade Durability: Stainless steel construction and top-tier components
  • Whisper-Quiet Operation: Ideal for occupied spaces

Whether you're boosting pressure in a multi-story building or upgrading a residential system, the Wall Series offers a reliable, low-profile solution that delivers performance without compromise.

Specification Sheets (Submittals)
Model TW2018W-2T-3K 2in.pdf
Model TW2018W-2T-4K 2in.pdf
Model TW2018W-2T-5K 2in.pdf
Model TW2018W-2T-6K 2in.pdf
Model TW2018W-4T-3K 2in.pdf
Model TW2018W-4T-4K 2in.pdf
Model TW2018W-4T-5K 2in.pdf
Model TW2018W-8T-2K 2in.pdf
Model TW2018W-8T-2.5K 2in.pdf
Model TW2018W-8T-3K 2in.pdf
Model TW2018W-8T-5K 2in.pdf
Model TW2018W-12T-2K 3in.pdf
Model attachment_6a9089744a1ec_TW2018W-12T-3K 3in.pdf
Model attachment_6a9089744a1ec_TW2018W-12T-3K 3in.pdf
Model attachment_6a9089744a1ec_TW2018W-12T-3K 3in.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.

3 Year warranty

Specifications
HP 1 1/2 - 3
GPM 40 - 150
PSI Boost 40 - 60