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Spec Sheet  Install Manual


Ideal for pumping clean, clear water in home where the incoming municipal water supply pressure is inadequate or regularly interrupted, from underground or surface water supplies, automatic water transfer, or domestic and light industrial irrigation.

Due to large water pathways, the intelligent Torrium2 controller operates with lower head loss than comparable controllers, providing superior hydraulic performance with less wasted energy.

  • BT20-40 - max. flow of 20 gal/min, and 40 psi pressure

The Davey mains water BT Series pressure boosting system comprises of a robust, compact, centrifugal pump with an intelligent Torrium2 water pressure controller to supply pressure boosted water with constant flow and even pressure to domestic households. The Torrium2 incorporates multiple levels of pump and motor protection.






Capacities to 45 gpm
Maximum total head to 76 psi
Cut-in pressure – Adapts to 80% of last shut-off head pressure
Minimum setting 15 psi
Maximum setting 80 psi
Cut-out flow rate 0.26 GPM
Maximum liquid temperate (Torrium2) 158º F
Maximum ambient temperature (Torrium2) 120º F
Maximum suction lift 25’
Inlet size (dependant upon pump model) 1" F or 11
/4" F
Outlet size 1" M
Maximum pump casing pressure 116 psi
Maximum system pressure 100 psi

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