Franklin Electric BT4 Horizontal Multi-Stage Booster Pumps
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Franklin Electric BT4 Horizontal Multi-Stage Booster Pumps at Dade Pump
Dade Pump & Supply, DBA De Ruiter Electric Motor, is proud to be an authorized distributor and repair center for Franklin Electric pumps and motors. Since 1960, we have carefully selected trusted manufacturers that help our customers minimize downtime, improve efficiency, and maintain reliable system performance.
One of the most commonly sold and serviced booster pumps at Dade Pump is the Franklin Electric BT4 Series Horizontal Multi-Stage Booster Pump. Built for durability, pressure performance, and long-term reliability, the BT4 Series is ideal for commercial, industrial, agricultural, and residential water pressure boosting applications.
Franklin Electric is proudly headquartered in Fort Wayne, Indiana and manufactures the majority of its products in the USA, delivering dependable pump solutions trusted across multiple industries.

What Is the Franklin Electric BT4 Series?
The BT4 Series Horizontal Multi-Stage Booster Pump is designed for low to medium flow applications requiring high pressure. These pumps are commonly used to boost water pressure from:
- Municipal city water mains
- Private well water systems
- Irrigation systems
- Commercial buildings
- Industrial process systems
- Pressure boosting stations
- Residential booster applications
When your system requires more pressure rather than higher flow volume, the Franklin Electric BT4 Series is often the ideal solution.
Available options include:
- Flow rates from 5 to 45 GPM
- Single-phase motors
- Three-phase motors
- ODP motor options
- TEFC motor options
- Stainless steel construction
- Pump ends only for custom motor applications
There are many configurations available to match your specific system requirements.


Common Franklin Electric BT4 Series Pumps Available at DadePump.com
Franklin Electric 95831515 Model 15FBT07S4
- BT4 Series Stainless Steel Multi-Stage Booster Pump
- 3/4 HP
- Single Phase
- 115/230V
- ODP
- 15 GPM
Franklin Electric 95832530 Model 25FBT2S4
- BT4 Series Stainless Steel Multi-Stage Booster Pump
- 2 HP
- Single Phase
- 115/230V
- ODP
- 25 GPM
Franklin Electric 95831025 Model 10FBT15S4
- BT4 Series Stainless Steel Multi-Stage Booster Pump
- 1.5 HP
- Single Phase
- 115/230V
- ODP
- 10 GPM
Key Features of the 5–25 GPM BT4 Series
The 5–25 GPM Franklin Electric BT4 pumps feature:
- Stainless steel discharge with 1" NPT outlet
- Stainless steel bracket with rugged support foot
- Horizontal or vertical mounting capability
- Built-in portability handle
- 1" NPT inlet
- Franklin Electric patented Tri-Seal floating stage system
- Maximum efficiency and long service life
- Acetal impellers and modified PPO diffusers
- 300-series stainless steel shaft, shell, and components
- Carbon/ceramic mechanical seal with FKM elastomers
- Easy motor service without disturbing plumbing connections
- High service factor motors from 1/2 to 3 HP
- Dual-voltage motor options
- Three-phase inverter duty rated motors
- Maximum inlet pressure: 75 PSI
- Maximum discharge pressure: 400 PSI
- Maximum fluid temperature: 120°F (49°C)
- NSF/ANSI/CAN 372 Certified
Key Features of the 35–45 GPM BT4 Series
The higher-capacity 35–45 GPM BT4 Series includes:
- Enhanced hydraulics for improved efficiency
- Stainless steel bracket, shell, and discharge
- 1.5" NPT inlet and outlet connections
- Reduced friction loss for better system performance
- Rotating bracket for flexible plumbing configurations
- Multiple drain and pressure tapping locations
- Back pull-out design for easier servicing
- NEMA standard 56C keyed shaft motors
- ODP and TEFC motor enclosure options
- Single-phase and three-phase options
- Carbon-ceramic-FKM mechanical seal
- Maximum inlet pressure: 75 PSI
- Maximum discharge pressure: 400 PSI
- Maximum fluid temperature: 120°F (49°C)
BT4 Series 56C Pump Ends
All BT4 pump sizes are also available as pump ends only, allowing customers to pair them with their own NEMA 56C keyed shaft motors for flexible installation and replacement options.
This makes the BT4 Series an excellent solution for retrofit projects and customized pump systems.
Why Buy Franklin Electric BT4 Pumps from Dade Pump?
When you purchase from Dade Pump, you receive more than just equipment—you gain access to expert support from a team that understands pump systems.
We help customers with:
- Proper pump selection
- Motor matching
- Troubleshooting
- Repairs and rebuilds
- Replacement parts
- Emergency downtime support
- Authorized Franklin Electric service
Our team works to ensure you get the correct booster pump for your exact application the first time.
We are here to help.