Davey BT20-40 — 1.5 HP Stainless Steel Booster Pump with Torrium2

The Davey BT20-40 is the top performer in the BT Series, designed for high-demand systems needing strong pressure and flow. With a 1.5 HP stainless-steel pump and Torrium2 constant pressure control, it provides smooth, reliable delivery for large homes, irrigation zones, and light commercial systems. 

Key Features

• Flow rate: Up to 38 GPM (144 L/min)
• Head (pressure): Up to 65 PSI (45 m)
• Automatic start/stop and pressure adjustment via Torrium2
• Corrosion-resistant stainless-steel pump construction
• Ideal for whole-home, irrigation, and farm water boosting
• Quiet, energy-efficient performance with integrated protections

Specifications

Model	BT20-40
Horsepower	1.5 HP
Flow Range	Up to 38 GPM
Max Head	~ 148 ft (45 m)
Body Material	304 Stainless Steel
Controller	Torrium2 Automatic Constant Pressure System
Voltage	115 V / Single Phase

 

The BT20-40 delivers the strongest combination of flow and pressure in the BT lineup — engineered for performance, reliability, and long service life.

 

Model	Horsepower	Max Flow	Max Head (Pressure)	Controller	Ideal Use Case
BT14-30	1 HP	Up to 30 GPM	33 m / 48 PSI	Torrium2 Constant Pressure	Small to mid-size homes, tank-to-home boosting, light irrigation
BT14-45	1 HP	Up to 35 GPM	45 m / 65 PSI	Torrium2 Constant Pressure	Large homes or properties with multiple bathrooms or long pipe runs
BT20-30	1.5 HP	Up to 35 GPM	33 m / 48 PSI	Torrium2 Constant Pressure	High-flow domestic systems or small acreage irrigation
BT20-40	1.5 HP	Up to 38 GPM	45 m / 65 PSI	Torrium2 Constant Pressure	Large homes, farm applications, or multi-zone irrigation systems

All Davey BT Series models feature corrosion-resistant 304 stainless-steel hydraulics, automatic start/stop via Torrium2 controller, and energy-efficient operation. Performance data based on Davey USA specifications (2025).